/* ============================================
   GOXEM Brand Design System
   Light / White / Purple — Modern Single-Page
   Sora (headings) + Inter (body)
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Primary palette — purple tones from Goxem snowflake logo */
  --color-primary: #6e4f9e;
  --color-primary-light: #9b7ec5;
  --color-primary-dark: #4e3580;
  --color-primary-deeper: #3a2570;
  --color-primary-glow: rgba(110, 79, 158, 0.12);

  /* Purple spectrum — expanded light purples */
  --color-purple-50: #faf7ff;
  --color-purple-100: #f3edfc;
  --color-purple-200: #e8ddf5;
  --color-purple-300: #d4c2ec;
  --color-purple-400: #b896d4;
  --color-purple-500: #9b7ec5;
  --color-purple-600: #7b5ea7;
  --color-purple-700: #6e4f9e;
  --color-purple-800: #4e3580;
  --color-purple-900: #2e1b5e;

  /* Secondary — deep navy */
  --color-secondary: #1e2058;
  --color-secondary-light: #3a3c80;

  /* Light backgrounds */
  --color-bg: #ffffff;
  --color-bg-alt: #f8f5fd;
  --color-bg-soft: #f0ebf7;
  --color-bg-purple: #ede6f7;

  /* Text colors */
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a6a;
  --color-text-muted: #7a7a9a;

  /* Accent — purple CTAs */
  --color-accent: #6e4f9e;
  --color-accent-hover: #5a3f88;

  /* Lavender highlights */
  --color-lavender: #b896d4;
  --color-lavender-light: #e8ddf5;
  --color-lavender-soft: #f3edfc;

  /* Warm accent for special highlights */
  --color-warm: #e8a838;
  --color-warm-light: #fef7e8;

  /* Functional */
  --color-success: #34d399;
  --color-warning: #f59e0b;
  --color-error: #f87171;

  /* Surfaces */
  --surface-card: #ffffff;
  --surface-card-hover: #f8f5fd;
  --surface-border: #e0d6ed;

  /* Typography */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(110, 79, 158, 0.08);
  --shadow-lg: 0 12px 40px rgba(110, 79, 158, 0.1);
  --shadow-xl: 0 20px 60px rgba(110, 79, 158, 0.12);

  /* Color scheme */
  color-scheme: light;
}

/* --- Reset / Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

a, button, input, select, textarea, [role="button"] {
  touch-action: manipulation;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Focus-visible for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-accent:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(110, 79, 158, 0.15);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* --- Text Gradient --- */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  height: 72px;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--surface-border);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.navbar-logo:hover {
  color: var(--color-primary);
}

.navbar-logo .logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-lavender-light);
  font-weight: 600;
}

/* Mobile navbar avatar — hidden on desktop */
.mobile-nav-avatar {
  display: none;
}

/* Mobile toggle (hamburger / close) */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.mobile-toggle:hover {
  background: var(--color-bg-alt);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease;
  transform-origin: center;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Dropdown (kept for DERSIS sub-pages) */
.dropdown-parent {
  position: relative;
}

.dropdown-toggle .chevron {
  font-size: 0.65em;
  margin-left: 4px;
  transition: transform var(--transition-fast);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 260px;
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-base);
  padding: 8px;
}

.dropdown-parent:hover .dropdown-menu,
.dropdown-parent.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.item-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.item-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.item-details {
  display: flex;
  flex-direction: column;
}

.item-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.item-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* Badge base */
.badge,
.soon-badge,
.product-badge,
.badge-soon,
.category-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

.soon-badge {
  background: var(--color-lavender-light);
  color: var(--color-primary);
  margin-left: auto;
}

.soon-item {
  opacity: 0.6;
  cursor: default;
}

/* Mobile auth links — hidden on desktop, shown inside mobile menu */
.mobile-auth-links {
  display: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-xl) var(--space-4xl);
  overflow: hidden;
  background: linear-gradient(170deg, #ffffff 0%, var(--color-purple-50) 30%, var(--color-purple-100) 70%, var(--color-bg-soft) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -15%;
  right: -10%;
  background: radial-gradient(circle, rgba(110, 79, 158, 0.15), rgba(184, 150, 212, 0.05) 60%, transparent 80%);
}

.orb-2 {
  width: 500px;
  height: 500px;
  bottom: 0;
  left: -8%;
  background: radial-gradient(circle, rgba(184, 150, 212, 0.12), rgba(212, 194, 236, 0.04) 60%, transparent 80%);
}

.orb-3 {
  width: 350px;
  height: 350px;
  top: 35%;
  left: 45%;
  background: radial-gradient(circle, rgba(155, 126, 197, 0.08), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-logo-large {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 48px rgba(110, 79, 158, 0.25), 0 4px 16px rgba(0,0,0,0.1);
}

.hero-title-large {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-primary-deeper) 0%, var(--color-primary) 50%, var(--color-purple-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.hero-tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  background: linear-gradient(135deg, var(--color-primary), var(--color-lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-3xl);
  color: var(--color-primary-light);
  opacity: 0.5;
  animation: bounce 2s ease infinite;
  text-decoration: none;
}

.scroll-indicator:hover {
  opacity: 0.8;
  color: var(--color-primary);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(110, 79, 158, 0.25);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(110, 79, 158, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(110, 79, 158, 0.2);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #e8a838, #d4922e);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(232, 168, 56, 0.3);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #d4922e, #c07f20);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 168, 56, 0.4);
}

.btn-full {
  width: 100%;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-5xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-purple-200);
  border-bottom: 1px solid var(--color-purple-200);
}

.section-products {
  background: linear-gradient(180deg, var(--color-purple-50) 0%, var(--color-bg-alt) 40%, var(--color-purple-100) 100%);
  border-top: 1px solid var(--color-purple-200);
  border-bottom: 1px solid var(--color-purple-200);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow,
.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200));
  border-radius: var(--radius-full);
  border: 1px solid var(--color-purple-300);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.section-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.about-card {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-lavender));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-purple-300);
}

.about-card:hover::before {
  opacity: 1;
}

.about-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200));
  border-radius: var(--radius-md);
}

.about-card:nth-child(2) .about-card-icon {
  background: linear-gradient(135deg, var(--color-purple-200), var(--color-purple-300));
  color: var(--color-primary-dark);
}

.about-card:nth-child(3) .about-card-icon {
  background: linear-gradient(135deg, var(--color-warm-light), #fde9c8);
  color: var(--color-warm);
}

.about-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.about-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}



/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.product-card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-lavender));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card-featured {
  border-color: var(--color-purple-300);
  box-shadow: 0 0 0 1px var(--color-purple-300), 0 16px 48px rgba(110, 79, 158, 0.15);
  transform: scale(1.02);
}

.product-card-featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.product-card-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200), var(--color-lavender-light));
}

.product-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 4px 16px rgba(110, 79, 158, 0.2));
}

.product-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-weight: 700;
  background: var(--color-primary);
  color: white;
}

.badge-soon {
  background: var(--color-lavender-light);
  color: var(--color-primary);
}

.product-card-body {
  padding: var(--space-2xl);
}

.product-card-body h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
}

.product-tagline {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.product-card-body > p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.feature-checks {
  margin-bottom: var(--space-xl);
}

.feature-checks li {
  position: relative;
  padding-left: 28px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.feature-checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-lavender-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 6l2 2 4-4' stroke='%236e4f9e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.product-card-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.product-card-upcoming {
  opacity: 0.85;
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */
.newsletter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.article-card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: default;
}

.article-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.article-image {
  position: relative;
  overflow: hidden;
  min-height: 180px;
}

.article-image svg.article-icon {
  display: block;
}

.article-image-gradient {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.article-image-product {
  background: linear-gradient(135deg, var(--color-purple-100) 0%, var(--color-purple-200) 50%, var(--color-lavender-light) 100%);
}

.article-image-scheduling {
  background: linear-gradient(135deg, var(--color-purple-200) 0%, var(--color-purple-100) 60%, var(--color-bg-soft) 100%);
}

.article-image-edtech {
  background: linear-gradient(135deg, var(--color-lavender-light) 0%, var(--color-purple-100) 50%, var(--color-purple-200) 100%);
}

.article-image-news {
  background: linear-gradient(135deg, var(--color-bg-soft) 0%, var(--color-purple-100) 40%, var(--color-lavender-light) 100%);
}

.category-tag {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: white;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.article-body {
  padding: var(--space-xl);
}

.article-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.article-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.article-featured .article-title {
  font-size: 1.4rem;
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-featured .article-excerpt {
  -webkit-line-clamp: 4;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  background: white;
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-lavender);
}

.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: var(--color-purple-50);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-form {
  background: white;
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
}

.form-intro {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  transition: color var(--transition-fast);
}

.form-group:focus-within label {
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(110, 79, 158, 0.1);
  background: white;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%235a5a7a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* Contact Info */
.contact-info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.contact-info-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

.contact-method {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}

.contact-method:last-child {
  margin-bottom: 0;
}

.contact-method-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.contact-method h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-method p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: linear-gradient(180deg, var(--color-purple-900), #1a1030);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
  margin-bottom: var(--space-md);
}

.footer-logo .logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-col h5 {
  color: white;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-lavender);
}

/* Dedication block (about page) */
.dedication-block {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-2xl);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

.dedication-block p {
  font-size: 0.92rem;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.footer-dedication {
  text-align: center;
  padding: var(--space-xl) var(--space-2xl);
  margin-bottom: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-dedication p {
  font-size: 0.88rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

.dedication-signature {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.82rem;
  color: rgba(184, 150, 212, 0.6);
  font-style: italic;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   SCHEDRA SUB-PAGES COMPATIBILITY
   ============================================ */

/* Sub-navigation */
.subnav {
  position: sticky;
  top: 72px;
  z-index: 900;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-border);
}

@media (max-width: 768px) {
  .subnav {
    position: relative;
  }

  .subnav::before,
  .subnav::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 24px;
    z-index: 1;
    pointer-events: none;
  }

  .subnav::before {
    left: 0;
    background: linear-gradient(to right, rgba(255,255,255,0.95), transparent);
  }

  .subnav::after {
    right: 0;
    background: linear-gradient(to left, rgba(255,255,255,0.95), transparent);
  }
}

.subnav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.subnav-inner::-webkit-scrollbar {
  display: none;
}

.subnav-link {
  display: inline-flex;
  align-items: center;
  padding: 14px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.subnav-link:hover {
  color: var(--color-primary);
}

.subnav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* Page headers for sub-pages */
.page-header {
  padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt), white);
}

.page-header-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  object-fit: contain;
}

.page-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: var(--space-md) auto 0;
  line-height: 1.8;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

/* Grid systems for sub-pages */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* Card styles for sub-pages */
.card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-lavender));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card-icon.primary {
  background: var(--color-lavender-light);
  color: var(--color-primary);
}

.card-icon.secondary {
  background: rgba(45, 47, 110, 0.08);
  color: var(--color-secondary);
}

.card-icon.accent {
  background: rgba(110, 79, 158, 0.08);
  color: var(--color-primary-light);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Gradient line decorative element */
.gradient-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-lavender));
  border-radius: 2px;
  margin: 0 auto var(--space-md);
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: var(--space-4xl) 0;
}

.final-cta-content {
  text-align: center;
}

/* Container narrow */
.container-narrow {
  max-width: 800px;
  margin: 0 auto;
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--surface-border);
}

.comparison-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
}

/* Feature row for sub-pages */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

/* Steps for sub-pages */
.steps {
  counter-reset: step;
}

.step-item {
  counter-increment: step;
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-2xl);
}

.step-item::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-lavender-light);
  border-radius: var(--radius-md);
}

/* Persona cards */
.persona-card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.persona-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* Highlight blocks */
.highlight-block {
  text-align: center;
  padding: var(--space-xl);
}

.highlight-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.highlight-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Check list */
.check-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--color-lavender-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2 2 4-4' stroke='%236e4f9e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Note */
.note {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--color-text-muted);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--surface-border);
  margin: var(--space-xl) 0;
}

/* CTA buttons */
.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
}

/* Tag filters for newsletter sub-page */
.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag-filter {
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tag-filter.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Section-sm for sub-pages */
.section-sm {
  padding: var(--space-2xl) 0;
}

/* Pain cards */
.card-pain {
  border-left: 3px solid var(--color-warning);
}

.card-value {
  border-left: 3px solid var(--color-primary);
}

/* Product card for sub-pages */
.product-card .product-logo {
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: inline-flex;
}

.product-card .product-logo img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.product-card h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.product-card .product-tagline {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.product-card-features li {
  position: relative;
  padding-left: 24px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.product-card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-lavender-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2 2 4-4' stroke='%236e4f9e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.soon-card {
  opacity: 0.7;
}

.soon-overlay {
  margin: var(--space-md) 0;
}

/* ============================================
   SCHEDRA LAYOUT SYSTEM
   Stripe / Linear / Notion tier
   ============================================ */

/* --- Enhanced Page Header (Hero) --- */
.page-header.dersis-hero {
  padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
  background: linear-gradient(135deg, #1e2058 0%, #3d2669 50%, #6e4f9e 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.page-header.dersis-hero .hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-header.dersis-hero .gradient-orb.orb-1 {
  background: radial-gradient(circle, rgba(155, 126, 197, 0.2), transparent 70%);
  width: 700px;
  height: 700px;
  top: -20%;
  right: -15%;
}

.page-header.dersis-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.page-header.dersis-hero .page-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  max-width: 640px;
  line-height: 1.7;
}

.page-header.dersis-hero .section-label {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

.page-header.dersis-hero .page-header-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
}

.page-header.dersis-hero .btn-secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.page-header.dersis-hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.6);
  color: white;
}

/* Hero illustration container */
.dersis-hero-illustration {
  margin-top: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.dersis-hero-illustration svg {
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.15));
}

/* --- Enhanced Section Headers --- */
.dersis-section .section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.dersis-section .section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.dersis-section .section-header .section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Enhanced Feature Cards --- */
.dersis-section .card {
  background: white;
  border: 1px solid rgba(110, 79, 158, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.dersis-section .card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-warm));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.dersis-section .card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(110, 79, 158, 0.12);
}

.dersis-section .card:hover::before {
  opacity: 1;
}

.dersis-section .card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base);
}

.dersis-section .card:hover .card-icon {
  transform: scale(1.05);
}

.dersis-section .card-icon.primary {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.dersis-section .card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.dersis-section .card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Card bullet lists */
.dersis-section .card .card-bullets {
  margin-top: var(--space-sm);
  padding-left: var(--space-md);
  list-style: none;
}

.dersis-section .card .card-bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.dersis-section .card .card-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.5;
}

/* --- Enhanced Steps --- */
.dersis-section .steps {
  counter-reset: step;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

/* Vertical connector line between steps */
.dersis-section .steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 56px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-purple-200), var(--color-purple-100));
  opacity: 0;
  transition: opacity 0.8s ease;
}

.dersis-section .steps.visible::before {
  opacity: 1;
}

.dersis-section .step-item {
  counter-increment: step;
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
}

.dersis-section .step-item:last-child {
  margin-bottom: 0;
}

.dersis-section .step-item::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  z-index: 1;
}

.dersis-section .step-item:hover::before {
  transform: scale(1.05);
  background: var(--color-purple-200);
  color: var(--color-primary-dark);
}

.dersis-section .step-item h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.dersis-section .step-item p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Enhanced Comparison Table --- */
.dersis-section .comparison-table {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(110, 79, 158, 0.08);
}

.dersis-section .comparison-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.dersis-section .comparison-table th {
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-bottom: 1px solid rgba(110, 79, 158, 0.08);
}

.dersis-section .comparison-table td {
  padding: var(--space-md) var(--space-xl);
  text-align: left;
  border-bottom: 1px solid rgba(110, 79, 158, 0.04);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast);
}

.dersis-section .comparison-table tr:last-child td {
  border-bottom: none;
}

.dersis-section .comparison-table tbody tr:hover td {
  background: var(--color-purple-50);
}

.dersis-section .comparison-table .icon-check {
  color: var(--color-success);
  font-weight: 700;
  font-size: 1.1rem;
}

.dersis-section .comparison-table .icon-cross {
  color: var(--color-error);
  font-weight: 700;
  font-size: 1.1rem;
}

/* --- Enhanced CTA Section --- */
.dersis-cta {
  text-align: center;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, #6e4f9e 0%, #1e2058 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.dersis-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 126, 197, 0.15), transparent 70%);
  pointer-events: none;
}

.dersis-cta h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.dersis-cta .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
  margin: 0 auto var(--space-xl);
  font-size: 1.1rem;
}

.dersis-cta .btn-secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.dersis-cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.6);
  color: white;
}

/* --- Origin / Dedication Section --- */
.dersis-section .dedication {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.dersis-section .dedication p {
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

.dersis-section .dedication-name {
  margin-top: var(--space-md);
  font-style: normal;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* --- Gold CTA Shimmer --- */
@keyframes ctaShimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.dersis-hero .btn-accent,
.dersis-cta .btn-accent {
  position: relative;
  overflow: hidden;
}

.dersis-hero .btn-accent::after,
.dersis-cta .btn-accent::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: ctaShimmer 4s ease-in-out infinite;
  pointer-events: none;
}

/* --- Scroll Animation Enhancements --- */
.dersis-section .animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.dersis-section .animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered card animations */
.dersis-section .grid-2 .card,
.dersis-section .grid-3 .card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.dersis-section .grid-2.visible .card,
.dersis-section .grid-3.visible .card {
  opacity: 1;
  transform: translateY(0);
}

.dersis-section .grid-2.visible .card:nth-child(1),
.dersis-section .grid-3.visible .card:nth-child(1) { transition-delay: 0ms; }
.dersis-section .grid-2.visible .card:nth-child(2),
.dersis-section .grid-3.visible .card:nth-child(2) { transition-delay: 100ms; }
.dersis-section .grid-2.visible .card:nth-child(3),
.dersis-section .grid-3.visible .card:nth-child(3) { transition-delay: 200ms; }
.dersis-section .grid-2.visible .card:nth-child(4) { transition-delay: 300ms; }
.dersis-section .grid-2.visible .card:nth-child(5) { transition-delay: 100ms; }
.dersis-section .grid-2.visible .card:nth-child(6) { transition-delay: 200ms; }
.dersis-section .grid-2.visible .card:nth-child(7) { transition-delay: 300ms; }
.dersis-section .grid-2.visible .card:nth-child(8) { transition-delay: 400ms; }
.dersis-section .grid-2.visible .card:nth-child(9) { transition-delay: 100ms; }
.dersis-section .grid-2.visible .card:nth-child(10) { transition-delay: 200ms; }

/* Step stagger */
.dersis-section .steps .step-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.dersis-section .steps.visible .step-item:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0ms; }
.dersis-section .steps.visible .step-item:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 120ms; }
.dersis-section .steps.visible .step-item:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 240ms; }
.dersis-section .steps.visible .step-item:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 360ms; }
.dersis-section .steps.visible .step-item:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 480ms; }

/* Badge pop animation */
@keyframes badgePopIn {
  0% { opacity: 0; transform: scale(0.9); }
  60% { transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}

.dersis-section .section-label {
  opacity: 0;
  transition: none;
}

.dersis-section .animate-in.visible .section-label,
.dersis-section .section-header.visible .section-label {
  animation: badgePopIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .dersis-section .animate-in,
  .dersis-section .grid-2 .card,
  .dersis-section .grid-3 .card,
  .dersis-section .steps .step-item {
    opacity: 1 !important;
    transform: none !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .dersis-hero .btn-accent::after,
  .dersis-cta .btn-accent::after {
    animation: none;
  }

  .dersis-section .steps::before {
    opacity: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- DERSIS Responsive: 1024px --- */
@media (max-width: 1024px) {
  .page-header.dersis-hero {
    padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
  }

  .dersis-section .comparison-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* --- DERSIS Responsive: 768px --- */
@media (max-width: 768px) {
  .page-header.dersis-hero {
    padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .page-header.dersis-hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .page-header.dersis-hero .page-subtitle {
    font-size: 1rem;
  }

  .dersis-hero-illustration {
    margin-top: var(--space-2xl);
  }

  .dersis-cta {
    padding: var(--space-2xl) 0;
  }

  .dersis-section .step-item {
    padding-left: 64px;
  }

  .dersis-section .step-item::before {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }

  .dersis-section .steps::before {
    left: 23px;
  }
}

/* --- DERSIS Responsive: 480px --- */
@media (max-width: 480px) {
  .page-header.dersis-hero {
    padding: calc(72px + var(--space-xl)) 0 var(--space-xl);
  }

  .page-header.dersis-hero h1 {
    font-size: 1.75rem;
  }

  .page-header.dersis-hero .page-header-logo {
    width: 56px;
    height: 56px;
  }

  .dersis-section .card {
    padding: var(--space-lg);
  }

  .dersis-section .card h3 {
    font-size: 1.1rem;
  }

  .dersis-cta h2 {
    font-size: 1.5rem;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-showcase {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
    order: 10;
    z-index: 1002;
    position: relative;
  }


  /* --- Mobile Slide-In Drawer --- */
  .navbar-links {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 85vw);
    background: #ffffff;
    padding: calc(56px + var(--space-sm)) var(--space-lg) var(--space-md);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.35s;
    z-index: 1001;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .navbar-links.open {
    transform: translateX(0);
    visibility: visible;
  }

  /* --- Backdrop Overlay --- */
  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
  }

  .mobile-overlay.visible {
    opacity: 1;
    visibility: visible;
  }

  /* Drawer item spacing (replaces flex gap for block layout) */
  .navbar-links > li {
    margin-bottom: 2px;
  }

  /* --- Nav Links in Drawer --- */
  .nav-link {
    display: flex;
    padding: 10px 16px;
    font-size: 1rem;
    font-weight: 500;
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-link:hover,
  .nav-link:active {
    background: var(--color-purple-50);
    color: var(--color-primary);
  }

  .nav-link.active {
    background: var(--color-lavender-light);
    color: var(--color-primary);
  }

  /* --- Mobile Dropdown (Products) --- */
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-purple-50);
    border-radius: var(--radius-md);
    min-width: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    margin-top: 4px;
    margin-bottom: 4px;
    padding: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease,
                visibility 0.25s,
                padding 0.35s ease;
  }

  .dropdown-parent.open .dropdown-menu {
    opacity: 1;
    max-height: 120px;
    visibility: visible;
    padding: 4px;
    transform: none;
    pointer-events: auto;
  }

  .dropdown-parent.open .chevron {
    transform: rotate(180deg);
  }

  .dropdown-item {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    gap: 10px;
  }

  .dropdown-item .item-desc,
  .dropdown-item .soon-badge {
    display: none;
  }

  .dropdown-item.soon-item {
    opacity: 0.45;
    pointer-events: none;
  }

  .hero {
    min-height: auto;
    padding: calc(72px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  }

  .hero-title-large {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero-logo-large {
    width: 80px;
    height: 80px;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-grid {
    grid-template-columns: 1fr;
  }

  .article-featured {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .products-showcase {
    grid-template-columns: 1fr;
  }

  .subnav-inner {
    padding: 0 var(--space-md);
  }

  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero-title-large {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

}

/* ============================================
   Language Switcher
   ============================================ */

.lang-switcher {
  position: relative;
  margin-left: var(--space-md);
  z-index: 1001;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-purple-200);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.lang-toggle:hover {
  background: var(--color-bg-purple);
  border-color: var(--color-purple-300);
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-flag-img {
  border-radius: 2px;
  object-fit: cover;
  vertical-align: middle;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}

.lang-chevron {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
}

.lang-switcher.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background: var(--color-bg);
  border: 1px solid var(--color-purple-200);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(110, 79, 158, 0.12), 0 2px 8px rgba(0,0,0,0.06);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text);
  transition: all 0.15s ease;
  text-align: left;
}

.lang-option:hover {
  background: var(--color-bg-soft);
}

.lang-option.active {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  font-weight: 600;
}

.lang-flag {
  display: flex;
  align-items: center;
}

.lang-name {
  flex: 1;
}

/* Navbar scrolled state adjustments */
.navbar.scrolled .lang-toggle {
  background: rgba(255, 255, 255, 0.9);
}

/* Mobile: lang-switcher hidden in top bar (moved into drawer via JS) */
.mobile-forum-icons {
  display: none;
}

/* Mobile notification sheet — lives on body to escape navbar backdrop-filter */
.mobile-notif-sheet {
  display: none;
}

@media (max-width: 768px) {
  /* Lang-switcher: when inside navbar-inner, hidden (JS moves it to drawer) */
  .navbar-inner > .lang-switcher {
    display: none;
  }

  /* Lang-switcher: when inside drawer (.navbar-links) */
  .navbar-links > .lang-switcher {
    position: relative;
    margin: 0;
    padding: var(--space-sm) 0;
    z-index: auto;
    list-style: none;
  }

  .navbar-links > .lang-switcher .lang-toggle {
    padding: 8px var(--space-md);
    font-size: 0.875rem;
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-md);
  }

  .navbar-links > .lang-switcher .lang-dropdown {
    position: relative;
    top: 0;
    right: auto;
    min-width: 100%;
    box-shadow: none;
    border: none;
    background: var(--surface-secondary, var(--color-bg-alt));
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    transform: none;
  }

  .navbar-links > .lang-switcher.open .lang-dropdown {
    transform: none;
  }

  /* Mobile forum icons (notifications + DM in navbar bar) */
  .mobile-forum-icons {
    display: flex;
    align-items: center;
    gap: 2px;
    order: 9;
    margin-left: auto;
  }

  .mobile-forum-icons .forum-header-icon {
    width: 34px;
    height: 34px;
  }

  .mobile-forum-icons .forum-header-icon svg {
    width: 18px;
    height: 18px;
  }

  .mobile-forum-icons .forum-header-badge {
    min-width: 16px;
    height: 16px;
    font-size: 0.6rem;
    padding: 0 4px;
    top: 1px;
    right: 1px;
    border-width: 1.5px;
  }

  /* Mobile notification sheet */
  .mobile-notif-sheet {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg, #fff);
    z-index: 1100;
    flex-direction: column;
    overflow: hidden;
  }

  .mobile-notif-sheet.open {
    display: flex;
  }

  .mobile-notif-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--surface-border);
    font-weight: 600;
    font-size: 1.05rem;
  }

  .mobile-notif-sheet-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 4px 8px;
    line-height: 1;
  }

  .mobile-notif-sheet-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-notif-item {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    border-bottom: 1px solid var(--surface-border);
    text-decoration: none;
    color: var(--color-text);
  }

  .mobile-notif-item.unread {
    background: var(--color-purple-50, #f5f0ff);
  }

  .mobile-notif-msg {
    font-size: 0.875rem;
    line-height: 1.4;
  }

  .mobile-notif-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 2px;
  }
}

/* ============================================
   AUTH NAVBAR BUTTONS
   ============================================ */
.auth-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-md);
}

.btn-auth-login {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.btn-auth-login:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

.btn-auth-signup {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(110, 79, 158, 0.2);
}

.btn-auth-signup:hover {
  background: var(--color-accent-hover);
  color: white;
  transform: translateY(-1px);
}

/* ============================================
   Forum Header Actions (Notifications + DM icons)
   ============================================ */
.forum-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.forum-header-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
}

.forum-header-icon:hover {
  background: var(--color-bg-soft);
  border-color: var(--color-purple-200);
  color: var(--color-primary);
}

.forum-header-icon:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.forum-header-icon.has-unread {
  color: var(--color-primary);
}

.forum-header-icon.has-unread svg {
  filter: drop-shadow(0 0 2px rgba(124, 58, 237, 0.2));
}

/* Unread badge */
.forum-header-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-accent, #ef4444);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 9px;
  border: 2px solid white;
  pointer-events: none;
}

/* Badge pop-in animation */
.forum-header-badge.badge-pop {
  animation: badgePop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes badgePop {
  0%   { transform: scale(0); opacity: 0; }
  60%  { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

/* Subtle bell shake when has-unread (one-time) */
.forum-header-icon.has-unread #header-notif-btn svg,
#header-notif-btn.has-unread svg {
  animation: bellShake 0.5s ease-in-out;
}

@keyframes bellShake {
  0%   { transform: rotate(0); }
  20%  { transform: rotate(12deg); }
  40%  { transform: rotate(-10deg); }
  60%  { transform: rotate(6deg); }
  80%  { transform: rotate(-3deg); }
  100% { transform: rotate(0); }
}

/* ============================================
   Notification Dropdown
   ============================================ */
.forum-notif-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-height: 480px;
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  overflow: hidden;
  flex-direction: column;
}

.forum-notif-dropdown.open {
  display: flex;
}

.forum-notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--surface-border);
}

.forum-notif-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.forum-notif-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mobile-notif-sheet-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.forum-notif-mark-all,
.forum-notif-clear-all {
  background: none;
  border: none;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  font-family: var(--font-body);
}

.forum-notif-mark-all {
  color: var(--color-primary);
}

.forum-notif-mark-all:hover {
  background: var(--color-bg-purple);
}

.forum-notif-clear-all {
  color: var(--color-error, #ef4444);
}

.forum-notif-clear-all:hover {
  background: rgba(239, 68, 68, 0.08);
}

.forum-notif-list {
  overflow-y: auto;
  max-height: 380px;
  flex: 1;
}

.forum-notif-empty,
.forum-notif-loading {
  padding: 32px 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.forum-notif-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-bg-soft);
  position: relative;
}

.forum-notif-item:last-child {
  border-bottom: none;
}

.forum-notif-item:hover {
  background: var(--color-bg-alt);
}

.forum-notif-item.unread {
  background: var(--color-bg-purple);
}

.forum-notif-item.unread:hover {
  background: var(--color-purple-100);
}

.forum-notif-avatar {
  flex-shrink: 0;
}

.forum-notif-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.forum-notif-avatar-circle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50%;
}

.forum-notif-body {
  flex: 1;
  min-width: 0;
}

.forum-notif-msg {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--color-text);
  word-break: break-word;
}

.forum-notif-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.forum-notif-meta svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.forum-notif-dot {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.forum-notif-footer {
  display: block;
  padding: 12px 16px;
  text-align: center;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  border-top: 1px solid var(--surface-border);
  transition: background var(--transition-fast);
}

.forum-notif-footer:hover {
  background: var(--color-bg-alt);
}

/* User menu (logged-in state) */
.user-menu {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.user-menu-toggle:hover {
  background: var(--color-bg-purple);
  border-color: var(--color-purple-300);
}

.user-avatar {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  font-weight: 700;
  font-size: 0.78rem;
  border-radius: 50%;
}

.user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 1100;
}

.user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
}

.user-dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.user-dropdown-item svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.user-logout-btn {
  color: var(--color-error);
}

.user-logout-btn:hover {
  background: #fef2f2;
  color: var(--color-error);
}

/* ============================================
   AUTH PAGES (Login, Signup, Reset)
   ============================================ */
.auth-page {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(72px + var(--space-2xl)) var(--space-xl) var(--space-3xl);
  background: linear-gradient(170deg, #ffffff 0%, var(--color-purple-50) 30%, var(--color-purple-100) 70%, var(--color-bg-soft) 100%);
  overflow: hidden;
}

.auth-page .hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
}

.auth-card {
  background: white;
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-xl);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-icon-wrap {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200));
  border-radius: var(--radius-lg);
}

.auth-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.auth-header h1 {
  font-size: 1.6rem;
  margin-bottom: var(--space-xs);
}

.auth-header p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.auth-form .form-group {
  margin-bottom: var(--space-lg);
}

.auth-form-extras {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-lg);
}

.auth-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.auth-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--surface-border);
}

.auth-footer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.auth-terms {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-md);
  line-height: 1.5;
}

.auth-message {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.auth-message.success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.auth-message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ============================================
   ACCOUNT DASHBOARD
   ============================================ */
.account-loading {
  text-align: center;
  padding: var(--space-4xl) 0;
  color: var(--color-text-muted);
}

.account-header {
  margin-bottom: var(--space-2xl);
}

.account-header h1 {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.account-header p {
  color: var(--color-text-muted);
}

/* ============================================
   ACCOUNT UTILITIES
   ============================================ */
.account-section-top { padding-top: var(--space-2xl); }
.container-narrow { max-width: 520px; }
.auth-card-centered { text-align: center; }
.auth-icon-lg { margin: 0 auto var(--space-lg); display: block; }
.auth-actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
.auth-message-compact { margin-top: var(--space-sm); }
.account-badge-sm { font-size: 0.72rem; }

/* Icon utilities */
.icon-inline { vertical-align: -2px; margin-right: 4px; }
.icon-label { vertical-align: -2px; margin-right: 4px; opacity: 0.6; }
.btn-icon { margin-right: 8px; }
.btn-icon-sm { margin-right: 6px; }
.btn-spinner { animation: spin 1s linear infinite; }

/* ============================================
   ACCOUNT CARDS
   ============================================ */

.account-card {
  background: white;
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.account-card:hover {
  box-shadow: var(--shadow-lg);
}

.account-card h3 {
  font-size: 1.2rem;
  margin: 0;
}

.upgrade-prompt {
  margin-top: var(--space-xl);
}

.subscription-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.subscription-tier {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.tier-badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.tier-badge.tier-free {
  background: var(--color-purple-100);
  color: var(--color-primary-dark);
}

.tier-badge.tier-professional {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}

.tier-badge.tier-institution {
  background: linear-gradient(135deg, var(--color-primary-deeper), var(--color-primary));
  color: white;
}

.tier-status {
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-success);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.tier-desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.tier-features {
  text-align: left;
  margin-bottom: 0;
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.tier-features li {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text);
}

.tier-features li:last-child {
  margin-bottom: 0;
}

.tier-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5l2 2 4-4' stroke='white' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.tier-paid-note {
  font-size: 0.88rem;
  color: var(--color-success);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .subscription-info {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   PRICING PAGE
   ============================================ */
.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.billing-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.save-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  color: white;
  margin-left: 4px;
  vertical-align: middle;
}

.toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--color-purple-200);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  transition: background var(--transition-fast);
  padding: 0;
}

.toggle-switch.active {
  background: var(--color-primary);
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.toggle-switch.active .toggle-knob {
  transform: translateX(24px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card-featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-card-featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-hero {
  position: relative;
  overflow: hidden;
}

.pricing-hero .hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.pricing-tier-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200));
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.pricing-tier-icon.featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}

.pricing-card-header {
  margin-bottom: var(--space-xl);
}

.pricing-card-header h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
}

.pricing-tagline {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.pricing-price {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--surface-border);
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
}

.price-period {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.pricing-features {
  margin-bottom: var(--space-2xl);
}

.pricing-features li {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-lavender-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 6l2 2 4-4' stroke='%236e4f9e' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-cta.btn-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.pricing-faq {
  margin-top: var(--space-4xl);
}

/* ============================================
   PAYWALL OVERLAY
   ============================================ */
.paywalled {
  overflow: hidden;
}

.paywalled > *:not(.paywall-overlay) {
  filter: blur(4px);
  pointer-events: none;
  user-select: none;
}

.paywall-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg,
    rgba(255,255,255,0.7) 0%,
    rgba(255,255,255,0.92) 40%,
    rgba(255,255,255,0.98) 100%
  );
  backdrop-filter: blur(2px);
}

.paywall-content {
  text-align: center;
  max-width: 420px;
  padding: var(--space-2xl);
}

.paywall-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  background: var(--color-lavender-light);
  border-radius: 50%;
  color: var(--color-primary);
}

.paywall-content h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.paywall-content p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.paywall-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   ACCOUNT — Academic Fields
   ============================================ */

.input-with-hint {
  position: relative;
}

.form-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.interests-picker {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.interests-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 28px;
}

.interest-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--color-purple-100);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

.interest-tag-remove {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 2px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.interest-tag-remove:hover {
  opacity: 1;
  color: var(--color-error);
}

.interests-select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%235a5a7a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.interests-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(110, 79, 158, 0.1);
  background-color: white;
}

/* ============================================
   AVATAR UPLOAD
   ============================================ */
.avatar-upload-section {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-lg);
}

.avatar-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.avatar-initial {
  color: white;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-controls {
  flex: 1;
  min-width: 0;
}

.avatar-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.avatar-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.avatar-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn-text-danger {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-error);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-text-danger:hover {
  background: #fef2f2;
  border-color: #fecaca;
}

.avatar-upload-btn {
  cursor: pointer;
}

/* Navbar avatar image */
.user-avatar-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

/* ============================================
   FORUM
   ============================================ */
.forum-view {
  min-height: 300px;
}

.forum-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.forum-section-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.forum-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
}

.forum-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.forum-back-link:hover {
  color: var(--color-primary-dark);
}

.forum-back-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.forum-breadcrumb-sep {
  color: var(--color-text-muted);
}

.forum-category-desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* Categories grid */
.forum-categories-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.forum-category-card {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-2xl);
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.forum-category-card:hover {
  border-color: var(--color-purple-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
}

.forum-category-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.forum-category-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-purple-100), var(--color-purple-200));
  color: var(--color-primary);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.forum-category-info {
  flex: 1;
  min-width: 0;
}

.forum-category-info h3 {
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.forum-category-info p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.forum-category-stats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
  flex-shrink: 0;
}

.forum-stat {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* Topics list */
.forum-topics-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.forum-topic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  text-decoration: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--surface-border);
  transition: background var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.forum-topic-row:first-child {
  border-top: 1px solid var(--surface-border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.forum-topic-row:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.forum-topic-row:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.forum-topic-row:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  background: var(--color-bg-alt);
}

.forum-topic-row-main {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}

.forum-topic-row-avatar {
  flex-shrink: 0;
}

.forum-topic-row-info {
  min-width: 0;
}

.forum-topic-row-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forum-topic-row-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.forum-topic-row-stats {
  display: flex;
  gap: var(--space-lg);
  flex-shrink: 0;
}

.forum-stat-compact {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.forum-pin-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-lavender-light);
  color: var(--color-primary);
}

/* Topic detail — 2-column layout */
.forum-post-2col {
  display: flex;
  gap: var(--space-xl);
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.forum-post-2col.forum-post-original {
  border-color: var(--color-purple-200);
}

.forum-post-2col.forum-reply {
  background: var(--color-bg-alt);
  border-color: transparent;
}

/* Legacy support */
.forum-post {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.forum-post-original {
  border-color: var(--color-purple-200);
}

.forum-post-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.forum-author-avatar {
  flex-shrink: 0;
}

.forum-author-info {
  display: flex;
  flex-direction: column;
}

.forum-author-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.forum-post-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- User Card (left panel) --- */
.forum-user-card {
  flex-shrink: 0;
  width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  gap: var(--space-xs);
}

.forum-user-card-avatar {
  margin-bottom: var(--space-xs);
}

.forum-user-card-name {
  font-weight: 600;
  font-size: 0.9rem;
  word-break: break-word;
}

.forum-user-card-institution {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.forum-user-card-stats {
  display: flex;
  gap: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- Role badges --- */
.forum-role-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.forum-role-superadmin {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #78350f;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.forum-role-logo {
  width: 14px;
  height: 14px;
  object-fit: contain;
  vertical-align: middle;
}

.forum-role-admin {
  background: linear-gradient(135deg, var(--color-purple-200), var(--color-purple-300));
  color: var(--color-primary-dark);
}

.forum-role-mod {
  background: var(--color-lavender-light);
  color: var(--color-primary);
}

/* --- Post content (right panel) --- */
.forum-post-content {
  flex: 1;
  min-width: 0;
}

.forum-post-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

/* --- Edited label --- */
.forum-edited-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-left: var(--space-xs);
}

/* --- Three-dot menu --- */
.forum-post-menu-wrap {
  position: relative;
}

.forum-menu-trigger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
}

.forum-menu-trigger:hover {
  background: var(--color-bg-soft);
  color: var(--color-text);
}

.forum-menu-trigger:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.forum-post-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 50;
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 140px;
  overflow: hidden;
}

.forum-post-menu.open {
  display: block;
}

.forum-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition-fast);
}

.forum-menu-item:hover {
  background: var(--color-bg-alt);
}

.forum-menu-danger {
  color: var(--color-error);
}

.forum-menu-danger:hover {
  background: #fef2f2;
}

/* --- Edit textarea --- */
.forum-edit-textarea {
  width: 100%;
  min-height: 100px;
  padding: var(--space-md);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  resize: vertical;
  margin-bottom: var(--space-sm);
}

.forum-edit-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.forum-edit-actions {
  display: flex;
  gap: var(--space-sm);
}

/* --- Confirm dialog --- */
.forum-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.forum-confirm-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.forum-confirm-box p {
  margin-bottom: var(--space-xl);
  font-size: 0.95rem;
  line-height: 1.6;
}

.forum-confirm-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.forum-confirm-danger {
  background: var(--color-error) !important;
  border-color: var(--color-error) !important;
}

.forum-confirm-danger:hover {
  opacity: 0.9;
}

.forum-topic-title {
  font-size: 1.4rem;
  margin-bottom: var(--space-lg);
}

.forum-post-body {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.forum-topic-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--surface-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.forum-topic-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.forum-replies-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

/* Forum avatar circle */
.forum-avatar-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
}

.forum-avatar-img {
  border-radius: 50%;
}

/* Forum empty state */
.forum-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-4xl) 0;
  text-align: center;
  color: var(--color-text-muted);
}

.forum-empty-hint {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.forum-loading {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-text-muted);
}

.forum-error {
  text-align: center;
  color: var(--color-error);
  padding: var(--space-xl);
}

.forum-login-prompt {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--color-text-secondary);
}

.forum-new-topic {
  margin-bottom: var(--space-xl);
}

.forum-reply-form {
  margin-top: var(--space-lg);
}

/* ============================================
   RESPONSIVE — Auth & Pricing
   ============================================ */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card-featured {
    transform: none;
  }

  .pricing-card-featured:hover {
    transform: translateY(-4px);
  }

  /* account-grid removed */
}

@media (max-width: 768px) {
  /* Hide desktop auth-nav, show auth links inside mobile menu instead */
  .auth-nav {
    display: none;
  }

  .mobile-auth-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-top: var(--space-sm);
    margin-top: var(--space-sm);
    border-top: 1px solid var(--surface-border);
  }

  .mobile-auth-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.938rem;
    font-weight: 500;
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
    transition: background 0.15s;
    font-family: inherit;
  }

  .mobile-auth-link:hover,
  .mobile-auth-link:active {
    background: var(--surface-secondary);
  }

  .mobile-auth-link svg {
    flex-shrink: 0;
    opacity: 0.6;
  }

  /* Avatar in drawer account link */
  .mobile-auth-account {
    padding: 10px var(--space-md);
    font-weight: 600;
  }

  .mobile-auth-avatar {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
  }

  .mobile-auth-avatar-img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
  }

  .mobile-auth-avatar-initial {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-purple-600, #7c3aed);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
  }

  .mobile-auth-logout {
    color: var(--accent-red, #e74c3c);
    margin-top: var(--space-xs);
  }

  .mobile-auth-logout svg {
    stroke: var(--accent-red, #e74c3c);
  }

  .auth-card {
    padding: var(--space-xl);
  }

  .auth-page {
    padding: calc(72px + var(--space-xl)) var(--space-md) var(--space-xl);
  }

  .user-name {
    display: none;
  }

  .avatar-upload-section {
    flex-direction: column;
    text-align: center;
  }

  .avatar-buttons {
    justify-content: center;
  }

  .forum-category-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-xl);
  }

  .forum-category-stats {
    flex-direction: row;
    gap: var(--space-lg);
  }

  .forum-topic-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .forum-topic-row-stats {
    padding-left: calc(32px + var(--space-md));
    width: 100%;
  }
}

/* --- Forum header actions responsive --- */
@media (max-width: 768px) {
  .forum-header-actions {
    gap: 2px;
  }

  .forum-header-icon {
    width: 34px;
    height: 34px;
  }

  .forum-header-icon svg {
    width: 18px;
    height: 18px;
  }

  .forum-header-badge {
    min-width: 16px;
    height: 16px;
    font-size: 0.6rem;
    padding: 0 4px;
    top: 1px;
    right: 1px;
    border-width: 1.5px;
  }

  .forum-notif-dropdown {
    width: calc(100vw - 24px);
    right: -60px;
    max-height: 70vh;
  }
}

@media (max-width: 480px) {
  .forum-notif-dropdown {
    right: -80px;
    width: calc(100vw - 16px);
  }
}

/* ============================================
   MOBILE RESPONSIVENESS ENHANCEMENTS
   ============================================ */

/* --- Scroll lock for mobile menu (no position:fixed on body — avoids stacking context issues) --- */
html.menu-open,
body.menu-open {
  overflow: hidden !important;
  touch-action: none;
}

/* --- Prevent horizontal scroll without breaking position:fixed --- */
body {
  overflow-x: clip;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* ============================================
   1024px — Tablet Landscape
   ============================================ */
@media (max-width: 1024px) {
  /* Newsletter grid: 2-col still fine, but featured article stacks internally */
  .article-featured {
    grid-template-columns: 1fr;
  }

  /* Product card featured: remove scale to prevent overflow */
  .product-card-featured {
    transform: none;
  }

  .product-card-featured:hover {
    transform: translateY(-4px);
  }

  /* CTA buttons stack */
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  /* Feature row gets less gap */
  .feature-row {
    gap: var(--space-xl);
  }

  /* Comparison table: horizontal scroll wrapper */
  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ============================================
   768px — Tablet / Mobile
   ============================================ */
@media (max-width: 768px) {
  /* --- Hero Section --- */
  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .hero-actions .btn-accent,
  .hero-actions .btn-secondary,
  .hero-actions .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
  }

  .scroll-indicator {
    margin-top: var(--space-xl);
  }

  /* --- Section headers tighter --- */
  .section-header {
    margin-bottom: var(--space-xl);
  }

  .section-eyebrow,
  .section-label {
    font-size: 0.72rem;
    padding: 4px 12px;
  }

  /* --- About cards padding reduction --- */
  .about-card {
    padding: var(--space-xl);
  }

  /* --- Products section --- */
  .product-card-body {
    padding: var(--space-xl);
  }

  .product-card-visual {
    padding: var(--space-xl);
  }

  .product-card-actions {
    flex-direction: column;
  }

  .product-card-actions .btn-accent,
  .product-card-actions .btn-secondary,
  .product-card-actions .btn-primary {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* --- Newsletter section --- */
  .article-body {
    padding: var(--space-lg);
  }

  .article-featured .article-title {
    font-size: 1.15rem;
  }

  .article-image {
    min-height: 140px;
  }

  /* --- FAQ section --- */
  .faq-question {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.92rem;
  }

  .faq-answer-inner {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: 0.88rem;
  }

  /* --- Contact section --- */
  .contact-form {
    padding: var(--space-xl);
  }

  .contact-info-card {
    padding: var(--space-xl);
  }

  .contact-form h3 {
    font-size: 1.15rem;
  }

  /* --- Footer --- */
  .footer {
    padding: var(--space-3xl) 0 var(--space-lg);
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-dedication {
    padding: var(--space-lg);
  }

  /* --- Buttons: ensure min touch target 44px --- */
  .btn-primary,
  .btn-secondary,
  .btn-accent {
    min-height: 48px;
    padding: 14px 28px;
  }

  /* --- CTA section --- */
  .cta-section {
    padding: var(--space-2xl) 0;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn-primary,
  .cta-buttons .btn-secondary,
  .cta-buttons .btn-accent {
    width: 100%;
    justify-content: center;
  }

  /* --- Pricing --- */
  .billing-toggle {
    margin-top: var(--space-xl);
  }

  /* --- Steps --- */
  .step-item {
    padding-left: 64px;
  }

  .step-item::before {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }

  /* --- Paywall --- */
  .paywall-actions {
    flex-direction: column;
    align-items: center;
  }

  .paywall-actions .btn-primary,
  .paywall-actions .btn-secondary {
    width: 100%;
  }

  /* --- Forum --- */
  .forum-post {
    padding: var(--space-xl);
  }

  .forum-post-2col {
    padding: var(--space-lg);
  }

  .forum-topic-title {
    font-size: 1.15rem;
  }

  /* --- Page header (sub-pages) --- */
  .page-header {
    padding: calc(72px + var(--space-xl)) 0 var(--space-xl);
  }

  /* --- Inline SVG illustrations containment --- */
  .about-visual svg,
  .dersis-hero-illustration svg,
  .feature-visual svg {
    max-width: 100%;
    height: auto;
  }

  /* --- Products showcase gap reduction --- */
  .products-showcase {
    gap: var(--space-lg);
  }

  /* --- Newsletter grid gap reduction --- */
  .newsletter-grid {
    gap: var(--space-lg);
  }

  /* --- Feature row gap and margin reduction --- */
  .feature-row,
  .feature-row.reverse {
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
  }

  /* --- Contact layout gap --- */
  .contact-layout {
    gap: var(--space-lg);
  }

  /* --- Highlight numbers scale --- */
  .highlight-number {
    font-size: 1.6rem;
  }

  /* --- Comparison table mobile scroll --- */
  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.82rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-sm) var(--space-md);
    white-space: nowrap;
  }

  /* --- Tag filters tighter on mobile --- */
  .tag-filter {
    padding: 6px 14px;
    font-size: 0.78rem;
  }

  /* --- Disable hover transforms on touch (mobile) --- */
  .pricing-card:hover,
  .about-card:hover,
  .article-card:hover,
  .card:hover,
  .product-card:hover,
  .persona-card:hover,
  .forum-category-card:hover,
  .dersis-section .card:hover {
    transform: none;
  }

  /* --- Footer column stacking improvements --- */
  .footer-grid {
    gap: var(--space-lg);
  }

  .footer-col ul {
    gap: var(--space-xs);
  }

  /* --- About grid gap --- */
  .about-grid {
    gap: var(--space-lg);
  }

  /* --- Product logo on mobile --- */
  .product-logo-img {
    width: 64px;
    height: 64px;
  }

  /* --- Admin tables mobile scroll --- */
  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .admin-table {
    min-width: 600px;
  }

  /* --- Admin search input responsive max-width --- */
  .admin-search-input {
    max-width: 100%;
  }

  /* --- Message compose: prevent button shrinking --- */
  .msg-compose {
    gap: var(--space-xs);
  }

  .msg-compose button {
    flex-shrink: 0;
  }

}

/* ============================================
   480px — Small Mobile
   ============================================ */
@media (max-width: 480px) {
  /* --- Container even tighter padding --- */
  .container {
    padding: 0 var(--space-sm);
  }

  /* --- Hero --- */
  .hero {
    padding: calc(72px + var(--space-xl)) var(--space-sm) var(--space-xl);
  }

  .hero-logo-large {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-lg);
  }

  .hero-tagline {
    margin-bottom: var(--space-lg);
  }

  .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: var(--space-xl);
  }

  /* --- Section spacing --- */
  .section {
    padding: var(--space-2xl) 0;
  }

  .section-subtitle {
    font-size: 0.9rem;
  }

  /* --- About cards --- */
  .about-card {
    padding: var(--space-lg);
  }

  .about-card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: var(--space-md);
  }

  .about-card h3 {
    font-size: 1.05rem;
  }

  /* --- Product cards --- */
  .product-card-body {
    padding: var(--space-lg);
  }

  .product-card-visual {
    padding: var(--space-lg);
  }

  .product-logo-img {
    width: 64px;
    height: 64px;
  }

  .product-card-body h3 {
    font-size: 1.15rem;
  }

  /* --- Newsletter --- */
  .article-body {
    padding: var(--space-md);
  }

  .article-title {
    font-size: 1rem;
  }

  .article-featured .article-title {
    font-size: 1.05rem;
  }

  .article-image {
    min-height: 120px;
  }

  /* --- FAQ --- */
  .faq-question {
    padding: var(--space-md);
    font-size: 0.88rem;
  }

  .faq-answer-inner {
    padding: 0 var(--space-md) var(--space-md);
    font-size: 0.85rem;
  }

  /* --- Contact --- */
  .contact-form {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .contact-info-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .contact-form h3 {
    font-size: 1.05rem;
  }

  /* --- Footer --- */
  .footer {
    padding: var(--space-2xl) 0 var(--space-md);
  }

  .footer-bottom {
    font-size: 0.75rem;
  }

  .footer-col h5 {
    margin-bottom: var(--space-md);
  }

  /* --- Buttons full width on small mobile --- */
  .hero-actions .btn-accent,
  .hero-actions .btn-secondary {
    font-size: 0.9rem;
  }

  /* --- Auth pages --- */
  .auth-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .auth-header h1 {
    font-size: 1.3rem;
  }

  .auth-page {
    padding: calc(72px + var(--space-md)) var(--space-sm) var(--space-md);
  }

  /* --- Pricing --- */
  .pricing-card {
    padding: var(--space-xl);
  }

  .price-amount {
    font-size: 2rem;
  }

  /* --- Account --- */
  .account-card {
    padding: var(--space-xl);
  }

  .account-header h1 {
    font-size: 1.5rem;
  }

  /* --- Forum --- */
  .forum-post {
    padding: var(--space-lg);
  }

  .forum-post-2col {
    padding: var(--space-md);
  }

  .forum-category-card {
    padding: var(--space-lg);
  }

  .forum-topic-row {
    padding: var(--space-md);
  }

  .forum-topic-title {
    font-size: 1.05rem;
  }

  /* --- Page header --- */
  .page-header {
    padding: calc(72px + var(--space-lg)) 0 var(--space-lg);
  }

  .page-header-logo {
    width: 48px;
    height: 48px;
  }

  /* --- Navbar padding --- */
  .navbar-inner {
    padding: 0 var(--space-sm);
  }

  .navbar-logo {
    font-size: 1.2rem;
    gap: 8px;
  }

  .navbar-logo .logo-img {
    width: 36px;
    height: 36px;
  }

  /* --- Gradient orbs smaller on mobile --- */
  .orb-1 {
    width: 300px;
    height: 300px;
  }

  .orb-2 {
    width: 250px;
    height: 250px;
  }

  .orb-3 {
    width: 200px;
    height: 200px;
  }

  /* --- Dedication block --- */
  .dedication-block {
    padding: var(--space-lg);
  }

  .footer-dedication {
    padding: var(--space-md);
  }

  /* --- Avatar upload section --- */
  .avatar-preview {
    width: 64px;
    height: 64px;
  }

  .avatar-initial {
    font-size: 1.5rem;
  }

  /* --- Highlight numbers --- */
  .highlight-number {
    font-size: 1.4rem;
  }

  .highlight-block {
    padding: var(--space-lg);
  }

  /* --- Grid gaps tighter on small mobile --- */
  .about-grid,
  .newsletter-grid,
  .products-showcase {
    gap: var(--space-md);
  }

  .feature-row,
  .feature-row.reverse {
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
  }

  /* --- Tag filters smaller --- */
  .tag-filter {
    padding: 5px 12px;
    font-size: 0.75rem;
  }

  /* --- Comparison table tighter --- */
  .comparison-table th,
  .comparison-table td {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.78rem;
  }

  /* --- Billing toggle --- */
  .billing-toggle {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
  }

  .billing-label {
    font-size: 0.82rem;
  }

  /* Forum 2-column → stack on mobile */
  .forum-post-2col {
    flex-direction: column;
    gap: var(--space-md);
  }

  .forum-user-card {
    width: 100%;
    flex-direction: row;
    gap: var(--space-md);
    text-align: left;
    padding: 0;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--surface-border);
  }

  .forum-user-card-avatar {
    margin-bottom: 0;
  }

  .forum-user-card-stats {
    margin-top: 0;
  }

  /* Admin table scroll */
  .admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* --- Message compose stacks on tiny screens --- */
  .msg-compose {
    flex-direction: column;
  }

  .msg-compose button {
    align-self: flex-end;
  }

  /* --- Wall compose stacks on tiny screens --- */
  .wall-compose {
    flex-direction: column;
  }

  .wall-compose button {
    align-self: flex-end;
  }

  /* --- Wall reply compose stacks --- */
  .wall-reply-compose {
    flex-direction: column;
    align-items: stretch;
  }

  .wall-reply-compose button {
    align-self: flex-end;
  }

  /* --- Forum section title --- */
  .forum-section-title {
    font-size: 1.15rem;
  }

  /* --- Admin chat messages height for small screens --- */
  .admin-chats-messages {
    max-height: 60vh;
  }

  /* --- Forum topic row tighter --- */
  .forum-topic-row {
    gap: var(--space-xs);
  }

  .forum-topic-meta {
    font-size: 0.75rem;
  }
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  border-bottom: 2px solid var(--surface-border);
  padding-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.admin-tab {
  padding: var(--space-sm) var(--space-lg);
  background: none;
  border: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all var(--transition-fast);
}

.admin-tab:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.admin-tab.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: -2px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.admin-table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--surface-border);
  white-space: nowrap;
}

.admin-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--surface-border);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: var(--color-bg-alt);
}

.admin-role-select {
  padding: 4px 8px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  background: white;
  cursor: pointer;
  transition: border-color var(--transition-base);
}

.admin-role-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.admin-pagination {
  display: flex;
  gap: var(--space-xs);
  justify-content: center;
  margin-top: var(--space-xl);
}

.admin-page-btn {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
  font-size: 0.82rem;
  min-width: 32px;
  text-align: center;
  transition: all var(--transition-fast);
}

.admin-page-btn:hover {
  background: var(--color-bg-alt);
}

.admin-page-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ============================================
   User Profile Page — Shared Classes
   ============================================ */

.profile-tab-content {
  min-height: 200px;
}

/* Profile lists */
.profile-list {
  display: flex;
  flex-direction: column;
}

.profile-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  margin-bottom: var(--space-sm);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  background: var(--surface-card);
}

.profile-list-item:hover {
  border-color: var(--color-purple-200);
  background: var(--color-bg-alt);
}

.profile-list-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.profile-list-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-list-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-list-stats {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.profile-empty {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  text-align: center;
  padding: var(--space-xl);
}

/* ============================================
   Academic Profile Overhaul
   ============================================ */

.acad-profile-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--surface-border);
  background: var(--surface-card);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  animation: acadFadeIn 0.4s ease-out;
}

.acad-profile-banner {
  height: 140px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-lavender) 100%);
}

.acad-profile-header {
  padding: 0 var(--space-xl) var(--space-xl);
}

.acad-profile-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-md);
  margin-top: -60px;
}

.acad-avatar-wrap {
  flex-shrink: 0;
}

.acad-avatar-wrap img,
.acad-avatar-wrap .forum-avatar-img,
.acad-avatar-wrap .forum-avatar-circle {
  width: 120px !important;
  height: 120px !important;
  border-radius: var(--radius-xl) !important;
  border: 4px solid white;
  box-shadow: var(--shadow-lg);
  font-size: 2.5rem !important;
}

.acad-badges {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.acad-orcid-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px 3px 7px;
  background: #e8f5e1;
  color: #3d7a1a;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid #a6ce39;
  line-height: 1;
}

.acad-orcid-badge svg {
  flex-shrink: 0;
}

/* User badges (generic + DERSIS) */
.acad-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-primary-light, rgba(59,130,246,0.08));
  color: var(--color-primary);
  border: 1px solid transparent;
}
.acad-badge-dersis {
  background: rgba(124,58,237,0.08);
  color: #7c3aed;
  border-color: rgba(124,58,237,0.2);
}

.acad-external-links {
  display: flex;
  gap: 6px;
}

.acad-ext-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--surface-border);
  background: rgba(255,255,255,0.95);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.acad-ext-link img {
  display: block;
}
.acad-ext-link-inactive {
  opacity: 0.22;
  filter: grayscale(100%);
  cursor: default;
  pointer-events: none;
}
.acad-ext-link-active:hover {
  border-color: var(--color-purple-300);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.acad-profile-info-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.acad-profile-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.acad-profile-identity {
  min-width: 0;
}

.acad-display-name {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.02em;
}

.acad-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  margin-top: 4px;
}

.acad-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.acad-btn-outline {
  border: 1px solid var(--surface-border);
  background: white;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.acad-btn-outline:hover {
  border-color: var(--color-text-secondary);
}

.acad-btn-primary {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.acad-btn-primary:hover {
  background: var(--color-primary-dark, #5a2d9e);
  border-color: var(--color-primary-dark, #5a2d9e);
}

.acad-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.acad-stats-6 {
  grid-template-columns: repeat(6, 1fr);
}

.acad-btn-follow {
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.acad-btn-follow:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.acad-btn-following {
  border: 1px solid var(--surface-border);
  background: white;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
}

.acad-btn-following:hover {
  border-color: var(--color-error, #dc3545);
  color: var(--color-error, #dc3545);
}

.acad-btn-share {
  border: 1px solid var(--surface-border);
  background: white;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
  padding: 10px;
}

.acad-btn-share:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.acad-toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 1000;
  pointer-events: none;
}

.acad-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Clickable stat cells */
.acad-stat-clickable {
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}

.acad-stat-clickable:hover {
  background: var(--surface-raised, #f0edfc);
  box-shadow: var(--shadow-sm);
}

/* Followers/Following Modal */
.follow-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.follow-modal-panel {
  background: white;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 440px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.follow-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--surface-border);
}

.follow-modal-tabs {
  display: flex;
  gap: var(--space-xs);
}

.follow-modal-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  background: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s;
}

.follow-modal-tab:hover {
  background: var(--surface-subtle, #f5f3ff);
  color: var(--color-text);
}

.follow-modal-tab.active {
  background: var(--color-primary);
  color: white;
}

.follow-modal-tab.active .follow-modal-count {
  background: rgba(255, 255, 255, 0.25);
  color: white;
}

.follow-modal-count {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--surface-border);
  color: var(--color-text-secondary);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

.follow-modal-close {
  border: none;
  background: none;
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  line-height: 1;
}

.follow-modal-close:hover {
  background: var(--surface-subtle, #f5f3ff);
  color: var(--color-text);
}

.follow-modal-search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--surface-border);
  color: var(--color-text-secondary);
}

.follow-modal-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.88rem;
  background: none;
  color: var(--color-text);
}

.follow-modal-search input::placeholder {
  color: var(--color-text-muted, #aaa);
}

.follow-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) 0;
}

.follow-modal-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px var(--space-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.15s;
}

.follow-modal-user:hover {
  background: var(--surface-subtle, #f8f7fd);
}

.follow-modal-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.follow-modal-avatar-init {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-purple-100, #ede9fe);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.88rem;
}

.follow-modal-user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.follow-modal-user-name {
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.follow-modal-user-sub {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.follow-modal-empty,
.follow-modal-loading {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.acad-stat-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  box-shadow: inset 0 2px 4px rgba(110, 79, 158, 0.06);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.acad-stat-value {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.acad-stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Body grid */
.acad-body-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  animation: acadFadeIn 0.4s ease-out 0.1s both;
}

/* Main content area */
.acad-main {
  min-width: 0;
}

/* Sidebar */
.acad-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.acad-sidebar-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background: var(--surface-card);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.acad-sidebar-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
}

.acad-sidebar-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.acad-sidebar-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 6px;
}

.acad-sidebar-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.acad-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-sm);
}

.acad-tag {
  display: inline-block;
  font-size: 0.78rem;
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.acad-activity-list {
  margin-top: var(--space-sm);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.acad-activity-list span:first-child {
  font-weight: 600;
  color: var(--color-text);
}

.acad-member-since {
  text-align: center;
}

/* Tabs bar */
.acad-tabs-bar {
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background: var(--surface-card);
  padding: var(--space-sm);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
}

.acad-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.acad-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.acad-tab svg {
  opacity: 0.6;
  flex-shrink: 0;
}

.acad-tab.active svg {
  opacity: 1;
}

.acad-tab:hover {
  background: var(--color-purple-100);
  color: var(--color-primary);
}

.acad-tab.active {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Section cards in main area */
.acad-section-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background: var(--surface-card);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.acad-section-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-md) 0;
}

/* Publication owner actions */
.pub-owner-actions {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--surface-border);
}

/* Publication items */
.acad-pub-item {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  margin-bottom: var(--space-sm);
  transition: box-shadow var(--transition-fast);
}

.acad-pub-item:hover {
  box-shadow: var(--shadow-md);
}

.acad-pub-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
}

.acad-pub-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.acad-pub-doi {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 6px;
}

.acad-pub-doi:hover {
  text-decoration: underline;
}

.acad-pub-source {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
}

.acad-stat-cell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Card fade-in animation */
@keyframes acadFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Loading skeleton for forum profile */
.acad-skeleton {
  pointer-events: none;
}

.acad-skeleton .acad-profile-banner {
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.acad-skeleton-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-xl);
  border: 4px solid white;
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
}

.acad-skeleton-line {
  height: 14px;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.acad-skeleton-line-lg { width: 45%; height: 22px; }
.acad-skeleton-line-md { width: 30%; }
.acad-skeleton-line-sm { width: 20%; }

.acad-skeleton-stat {
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.acad-skeleton-sidebar-card {
  height: 80px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Empty state styling */
.acad-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.acad-empty-state svg {
  color: var(--color-purple-200);
}

.acad-empty-state p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: 0;
}

.acad-empty-state a {
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
}

.acad-empty-state a:hover {
  text-decoration: underline;
}

.acad-ext-link::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 10px;
  background: var(--color-text);
  color: white;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.acad-ext-link:hover::after {
  opacity: 1;
}

/* Responsive: tablet */
@media (max-width: 1024px) {
  .acad-body-grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: var(--space-lg);
  }
  .acad-profile-header {
    padding: 0 var(--space-lg) var(--space-lg);
  }
  .acad-stats-grid {
    gap: var(--space-sm);
  }
  .acad-stats-6 {
    grid-template-columns: repeat(3, 1fr);
  }
  .acad-tab {
    padding: 7px 14px;
    font-size: 0.84rem;
  }
}

/* Responsive: mobile */
@media (max-width: 768px) {
  .acad-body-grid {
    grid-template-columns: 1fr;
  }
  .acad-sidebar {
    order: 2;
  }
  .acad-main {
    order: 1;
  }
  .acad-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .acad-profile-info-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .acad-profile-actions {
    width: 100%;
  }
  .acad-profile-actions .acad-btn {
    flex: 1;
    justify-content: center;
  }
  .acad-profile-banner {
    height: 100px;
  }
  .acad-avatar-wrap img,
  .acad-avatar-wrap .forum-avatar-img,
  .acad-avatar-wrap .forum-avatar-circle {
    width: 90px !important;
    height: 90px !important;
    border-radius: var(--radius-lg) !important;
  }
  .acad-skeleton-avatar {
    width: 90px;
    height: 90px;
  }
  .acad-profile-top {
    margin-top: -45px;
  }
  .acad-profile-header {
    padding: 0 var(--space-md) var(--space-lg);
  }
  .acad-display-name {
    font-size: 1.35rem;
  }
  .acad-subtitle {
    font-size: 0.85rem;
  }
  .acad-tabs-bar {
    padding: var(--space-xs);
  }
  .acad-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .acad-tabs::-webkit-scrollbar {
    display: none;
  }
  .acad-tab {
    flex-shrink: 0;
    padding: 7px 14px;
    font-size: 0.84rem;
  }
  .acad-section-card {
    padding: var(--space-md);
  }
  .acad-sidebar-card {
    padding: var(--space-md);
  }
  .profile-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  .profile-list-stats {
    align-self: flex-end;
  }
  .profile-list-title {
    white-space: normal;
  }
  .wall-compose {
    flex-direction: column;
    align-items: stretch;
  }
  .wall-post-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  .wall-post-actions {
    align-self: flex-end;
  }
  .wall-reply-compose {
    flex-direction: column;
    align-items: stretch;
  }
  .wall-reply {
    padding-left: var(--space-md);
  }
  .wall-post-card {
    padding: var(--space-md);
  }
}

/* Responsive: small phone */
@media (max-width: 480px) {
  .acad-profile-card {
    border-radius: var(--radius-lg);
  }
  .acad-profile-banner {
    height: 80px;
  }
  .acad-avatar-wrap img,
  .acad-avatar-wrap .forum-avatar-img,
  .acad-avatar-wrap .forum-avatar-circle {
    width: 72px !important;
    height: 72px !important;
    font-size: 2rem !important;
  }
  .acad-skeleton-avatar {
    width: 72px;
    height: 72px;
  }
  .acad-profile-top {
    margin-top: -36px;
  }
  .acad-display-name {
    font-size: 1.15rem;
  }
  .acad-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }
  .acad-stat-cell {
    padding: var(--space-sm);
  }
  .acad-stat-value {
    font-size: 1.05rem;
  }
  .acad-stat-label {
    font-size: 0.72rem;
  }
  .acad-ext-link {
    width: 30px;
    height: 30px;
  }
  .acad-btn {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  .acad-section-heading {
    font-size: 0.95rem;
  }
  .acad-pub-item {
    padding: var(--space-sm);
  }
  .wall-pagination {
    gap: var(--space-sm);
  }
}

/* ============================================
   Wall System
   ============================================ */

.wall-compose {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
  margin-bottom: var(--space-xl);
}

.wall-textarea {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  resize: vertical;
  min-height: 60px;
  transition: border-color var(--transition-fast);
}

.wall-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.wall-post-card {
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.wall-post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.wall-author-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: inherit;
}

.wall-author-link:hover .wall-author-name {
  color: var(--color-primary);
}

.wall-author-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.wall-author-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.wall-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.wall-post-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.wall-delete-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 var(--space-xs);
  line-height: 1;
  transition: color var(--transition-fast);
}

.wall-delete-btn:hover {
  color: var(--color-error);
}

.wall-post-body {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

/* Wall replies */
.wall-replies {
  border-top: 1px solid var(--surface-border);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
}

.wall-reply {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-purple-100);
  margin-bottom: var(--space-xs);
}

.wall-reply-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: 4px;
}

.wall-reply-body {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.wall-reply-compose {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--surface-border);
}

.wall-reply-input {
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
}

.wall-reply-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.wall-reply-error {
  font-size: 0.82rem;
  color: var(--color-error);
  margin-top: var(--space-xs);
  width: 100%;
}

.wall-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
}

.wall-page-info {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ============================================
   Messaging System
   ============================================ */

.msg-conversations {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.msg-conv-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.msg-conv-card:hover {
  border-color: var(--color-purple-200);
  background: var(--color-bg-alt);
}

.msg-conv-unread {
  border-left: 3px solid var(--color-primary);
}

.msg-conv-avatar {
  flex-shrink: 0;
}

.msg-conv-info {
  flex: 1;
  min-width: 0;
}

.msg-conv-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.msg-conv-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.msg-conv-time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.msg-conv-preview {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.msg-unread-badge {
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  flex-shrink: 0;
}

/* Message thread */
#msg-thread-view {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 300px);
  min-height: 400px;
}

.msg-thread-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--surface-border);
  margin-bottom: var(--space-md);
}

.msg-thread-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.msg-thread-user-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
}

.msg-thread-user-name:hover {
  color: var(--color-primary);
}

.msg-thread-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.msg-bubble {
  max-width: 70%;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-size: 0.92rem;
  line-height: 1.5;
}

.msg-bubble-mine {
  align-self: flex-end;
  background: var(--color-primary);
  color: white;
  border-bottom-right-radius: var(--radius-sm);
}

.msg-bubble-theirs {
  align-self: flex-start;
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--surface-border);
  border-bottom-left-radius: var(--radius-sm);
}

.msg-bubble-body {
  word-break: break-word;
}

.msg-bubble-time {
  font-size: 0.72rem;
  opacity: 0.7;
  margin-top: 4px;
  text-align: right;
}

.msg-compose {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
  padding-top: var(--space-md);
  border-top: 1px solid var(--surface-border);
}

.msg-compose-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  resize: none;
  min-height: 40px;
}

.msg-compose-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============================================
   Forum User Card Clickable Links
   ============================================ */

.forum-user-card-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
  gap: var(--space-xs);
}

.forum-user-card-link:hover .forum-user-card-name {
  color: var(--color-primary);
}

.forum-user-msg-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-family: var(--font-body);
  color: var(--color-primary);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-full);
  margin-top: var(--space-sm);
  transition: all var(--transition-fast);
  background: white;
  cursor: pointer;
}

.forum-user-msg-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.forum-author-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
}

.forum-author-link:hover {
  text-decoration: underline;
}

/* --- Avatar link (clickable span replacing nested <a>) --- */
.forum-avatar-link {
  cursor: pointer;
  display: inline-flex;
  border-radius: 50%;
  transition: opacity var(--transition-fast);
}

.forum-avatar-link:hover {
  opacity: 0.8;
}

/* ============================================
   Admin Panel — Chats & Permissions
   ============================================ */

.admin-chats-toolbar {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
}

.admin-search-input {
  flex: 1;
  max-width: 300px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
}

.admin-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.admin-chats-participants {
  font-size: 0.92rem;
  padding: var(--space-sm) 0 var(--space-md);
  border-bottom: 1px solid var(--surface-border);
  margin-bottom: var(--space-md);
}

.admin-chat-participant {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.admin-chat-participant:hover {
  text-decoration: underline;
}

.admin-chats-messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 500px;
  overflow-y: auto;
}

.admin-chat-msg {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.admin-chat-msg-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  font-size: 0.85rem;
}

.admin-chat-msg-body {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.5;
}

.admin-muted {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.admin-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
}

.admin-toggle-label input[type="checkbox"] {
  accent-color: var(--color-primary);
}

/* ============================================
   Responsive — Profile / Wall / Messages
   ============================================ */

@media (max-width: 768px) {
  .profile-header-card {
    flex-direction: column;
  }

  .profile-header-left {
    flex-direction: column;
    text-align: center;
  }

  .profile-header-info {
    text-align: center;
  }

  .profile-header-actions {
    align-self: center;
  }

  .profile-stats-bar {
    gap: var(--space-sm);
    padding: var(--space-md);
  }

  .profile-stat-item {
    min-width: 60px;
  }

  .profile-two-col {
    grid-template-columns: 1fr;
  }

  .profile-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .profile-tab {
    white-space: nowrap;
    padding: var(--space-sm) var(--space-md);
  }

  .msg-bubble {
    max-width: 85%;
  }

  #msg-thread-view {
    height: calc(100vh - 250px);
    min-height: 300px;
  }

  .wall-post-header {
    flex-wrap: wrap;
  }

  .admin-chats-toolbar {
    flex-wrap: wrap;
  }
}

/* ============================================
   FOUC PREVENTION — hide translatable content
   until i18n has applied translations
   ============================================ */
[data-i18n],
[data-i18n-html] {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.i18n-ready [data-i18n],
.i18n-ready [data-i18n-html] {
  opacity: 1;
}

/* ============================================
   ACCOUNT PAGE REDESIGN
   ============================================ */

/* Summary card */
.account-summary {
  margin-bottom: var(--space-xl);
}

.account-summary-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.account-summary-identity {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  min-width: 0;
}

.account-summary-info {
  min-width: 0;
}

.account-summary-name-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.account-summary-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0;
}

.account-summary-institution {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Badges */
.account-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
}

.account-badge-purple {
  background: var(--color-purple-100);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-purple-300);
}

.account-badge-green {
  background: #ebfbf1;
  color: #16a34a;
  border: 1px solid #c9f2d8;
}

/* Icon button (external links trigger) */
.account-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: white;
  border: 1px solid var(--surface-border);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.account-icon-btn:hover {
  background: var(--color-bg-alt);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Mini stats */
/* Summary meta — inline stats beside tier badge */
.account-summary-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* Research interests row in account summary */
.account-summary-interests {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}
.account-summary-interests-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}
.account-summary-interests-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.account-summary-interests-tags .interest-tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary-light, rgba(59,130,246,0.08));
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.account-summary-stat {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.account-summary-stat span {
  font-weight: 700;
  color: var(--color-text);
}

/* Tab Navigation */
.account-tabs {
  display: flex;
  gap: 4px;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding: 4px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-full);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.account-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.account-tab:hover {
  color: var(--color-text);
  background: rgba(110, 79, 158, 0.06);
}

.account-tab.active {
  color: white;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(110, 79, 158, 0.3);
}

.account-tab svg {
  opacity: 0.7;
  flex-shrink: 0;
}

.account-tab.active svg {
  opacity: 1;
}

/* Tab Panels */
.account-tab-panels {
  max-width: none;
}

#tab-plan {
  max-width: 780px;
}

.account-tab-panel {
  display: none;
  animation: tabFadeIn 0.25s ease;
}

.account-tab-panel.active {
  display: block;
}

/* Profile tab: two-column grid (profile form + forum settings) */
.account-profile-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-lg);
  align-items: start;
}

#tab-profile.active {
  max-width: none;
}

.account-card-forum-settings {
  position: sticky;
  top: var(--space-lg);
}

/* Force single-column layout for toggles inside narrow forum settings sidebar */
.account-card-forum-settings .account-toggle-list {
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.account-card-forum-settings .account-toggle-row {
  padding: 10px 14px;
}

.account-card-heading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 4px 0;
}

.account-card-desc {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-lg) 0;
}

@media (max-width: 900px) {
  .account-profile-grid {
    grid-template-columns: 1fr;
  }
  .account-card-forum-settings {
    position: static;
  }
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive: summary + tabs */
@media (max-width: 1024px) {
  .account-summary-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .account-summary-meta {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .account-tab {
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  .account-tab svg {
    display: none;
  }
}

@media (max-width: 480px) {
  .account-summary-identity {
    flex-direction: column;
    align-items: flex-start;
  }

  .account-summary-name {
    font-size: 1.25rem;
  }

  .account-summary-meta {
    gap: var(--space-sm);
  }
}

/* Inline divider — lighter separator within a card (no extra margin) */
.account-inline-divider {
  height: 1px;
  background: var(--surface-border);
  margin: var(--space-lg) 0;
}

/* Section heading inside a card — replaces sub-panel titles */
.account-section-heading {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

/* Save All Changes — sticky bottom action */
.account-save-all {
  position: sticky;
  bottom: var(--space-lg);
  z-index: 10;
  text-align: center;
  padding: var(--space-md) 0;
}

.account-save-all .btn-primary {
  box-shadow: var(--shadow-lg), 0 4px 20px rgba(110, 79, 158, 0.25);
}

.account-save-all .btn-primary:hover {
  box-shadow: var(--shadow-xl), 0 6px 28px rgba(110, 79, 158, 0.3);
}

/* Button rows */
.account-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* Research interests tag input */
.research-tags-input {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  min-height: 44px;
  cursor: text;
  transition: all var(--transition-fast);
}

.research-tags-input:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(110, 79, 158, 0.1);
  background: white;
}

.research-tags {
  display: contents;
}

.research-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: var(--color-purple-100);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
}

.research-tag-remove {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 2px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.research-tag-remove:hover {
  opacity: 1;
  color: var(--color-error);
}

.research-tags-field {
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-text);
  flex: 1;
  min-width: 120px;
  padding: 2px 0;
}

.research-tags-field::placeholder {
  color: var(--color-text-muted);
}

/* Toggle rows for forum settings */
.account-toggle-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.account-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background: var(--color-bg-alt);
  transition: all 0.2s ease;
  cursor: pointer;
}

.account-toggle-row:hover {
  border-color: var(--color-primary-light);
  background: white;
  box-shadow: var(--shadow-sm);
}

.account-toggle-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}

/* Toggle switch */
.account-toggle {
  appearance: none;
  -webkit-appearance: none;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-purple-200);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  border: none;
}

.account-toggle::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: white;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}

.account-toggle:checked {
  background: var(--color-primary);
}

.account-toggle:checked::after {
  transform: translateX(20px);
}

/* Sub-panel description */
/* External profile logos row */
.external-logos-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 2px;
}

.external-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s, filter 0.2s, transform 0.15s;
  cursor: default;
  text-decoration: none;
}

.external-logo img,
.external-logo svg {
  display: block;
  width: 20px;
  height: 20px;
}

.external-logo.inactive {
  opacity: 0.22;
  filter: grayscale(100%);
}

.external-logo.active {
  opacity: 1;
  filter: none;
  cursor: pointer;
}

.external-logo.active:hover {
  transform: scale(1.15);
  opacity: 0.85;
}




/* ============================================
   SKELETON LOADING
   ============================================ */
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton-card {
  background: white;
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.skeleton-card-tall {
  min-height: 260px;
}

.skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.skeleton-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

.skeleton-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skeleton-line {
  height: 14px;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-line-lg { width: 55%; height: 18px; }
.skeleton-line-sm { width: 35%; }

.skeleton-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.skeleton-tab {
  flex: 1;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-purple-100) 25%, var(--color-purple-200) 50%, var(--color-purple-100) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* ============================================
   SAVE BUTTON STATES
   ============================================ */

/* Dirty state — pulsing dot indicator */
.account-save-all .btn-primary.has-changes {
  position: relative;
}

.account-save-all .btn-primary.has-changes::after {
  content: '';
  position: absolute;
  top: -3px;
  right: -3px;
  width: 10px;
  height: 10px;
  background: var(--color-accent, #e8a838);
  border-radius: 50%;
  border: 2px solid white;
  animation: pulse-dot 1.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* Success state — green checkmark */
.account-save-all .btn-primary.save-success {
  background: #059669;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.3);
  pointer-events: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================
   ORCID MODAL ROW — refined layout
   ============================================ */
.orcid-modal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-purple-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.orcid-modal-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.orcid-modal-left img {
  flex-shrink: 0;
}

.orcid-modal-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.2;
}

.orcid-status-text {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.orcid-status-text.orcid-connected {
  color: #059669;
  font-weight: 600;
}

@media (max-width: 480px) {
  .orcid-modal-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .orcid-modal-row .btn-primary,
  .orcid-modal-row .btn-secondary {
    width: 100%;
  }
}

/* External Links Modal */
.account-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 14, 35, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: var(--space-md);
}

.account-modal-backdrop.active {
  display: flex;
}

.account-modal-panel {
  width: min(100%, 560px);
  background: white;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(40, 20, 80, 0.18);
  padding: var(--space-2xl);
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.account-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--surface-border);
}

.account-modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.account-modal-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.account-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: white;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.account-modal-close:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.account-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

/* ORCID read-only display in Research Identity card */
.orcid-connected-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.orcid-id-display {
  font-family: var(--font-mono, monospace);
  font-size: 0.88rem;
  color: var(--color-link);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.orcid-id-display:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .account-modal-panel {
    padding: var(--space-xl);
  }

  .account-modal-actions {
    flex-direction: column;
  }

  .account-modal-actions .btn-primary,
  .account-modal-actions .btn-secondary {
    width: 100%;
  }
}

/* ============================================
   Floating Messenger
   ============================================ */

/* --- Root container --- */
#fm-root {
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 9999;
  pointer-events: none;
  font-family: var(--font-body);
}

#fm-root .fm-launcher,
#fm-root .fm-chat-window,
#fm-root .fm-mobile-overlay,
#fm-root .fm-mobile-tab {
  pointer-events: auto;
}

/* --- Avatar wrapper with status dot --- */
.fm-avatar-wrap {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

.fm-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  border: 2px solid white;
  box-sizing: content-box;
}

.fm-status-dot.fm-status-online {
  background: #22c55e;
}

.fm-status-dot.fm-status-offline {
  background: #ef4444;
}

/* Profile page online status dot */
.acad-status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2.5px solid white;
  display: inline-block;
  position: absolute;
  bottom: 4px;
  right: 4px;
  box-sizing: content-box;
}

.acad-status-dot.acad-status-online {
  background: #22c55e;
}

.acad-status-dot.acad-status-offline {
  background: #ef4444;
}

/* --- Launcher button --- */
.fm-launcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(110, 79, 158, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  z-index: 10001;
}

.fm-launcher:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(110, 79, 158, 0.45);
  background: var(--color-primary-dark);
}

.fm-launcher:active {
  transform: scale(0.96);
}

.fm-launcher svg {
  width: 24px;
  height: 24px;
}

.fm-launcher-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--color-error);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2px solid white;
  line-height: 1;
}

.fm-launcher-badge.visible {
  display: flex;
  animation: fmBadgePop 0.3s ease;
}

@keyframes fmBadgePop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* --- Conversation list panel --- */
.fm-panel {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 360px;
  max-height: min(520px, calc(100vh - 120px));
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(110, 79, 158, 0.08);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10000;
  overflow: hidden;
}

.fm-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.fm-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--surface-border);
}

.fm-panel-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.fm-panel-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: 4px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.fm-panel-close:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.fm-panel-search {
  padding: 8px 16px;
  border-bottom: 1px solid var(--surface-border);
}

.fm-search-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--color-bg-alt);
  transition: border-color var(--transition-fast);
  outline: none;
}

.fm-search-input:focus {
  border-color: var(--color-primary-light);
}

.fm-search-input::placeholder {
  color: var(--color-text-muted);
}

.fm-panel-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* --- Conversation items --- */
.fm-conv-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.fm-conv-item:last-child {
  border-bottom: none;
}

.fm-conv-item:hover {
  background: var(--color-bg-alt);
}

.fm-conv-unread {
  background: var(--color-purple-50);
}

.fm-conv-unread:hover {
  background: var(--color-purple-100);
}

.fm-conv-avatar {
  flex-shrink: 0;
}

.fm-conv-info {
  flex: 1;
  min-width: 0;
}

.fm-conv-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.fm-conv-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fm-conv-unread .fm-conv-name {
  color: var(--color-primary-dark);
}

.fm-conv-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-left: 8px;
}

.fm-conv-preview {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fm-conv-badge {
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  flex-shrink: 0;
}

.fm-conv-badge-sm {
  min-width: 16px;
  height: 16px;
  font-size: 0.65rem;
  padding: 0 4px;
}

/* --- Avatar --- */
.fm-avatar-img {
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.fm-avatar-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-purple);
  color: var(--color-primary);
  font-weight: 700;
  font-family: var(--font-heading);
}

/* --- Empty / Loading states --- */
.fm-loading,
.fm-empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.fm-empty-chat {
  padding: 40px 20px;
  font-size: 0.85rem;
}

/* --- Chat windows container --- */
.fm-chats {
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 9998;
  pointer-events: none;
}

/* --- Individual chat window --- */
.fm-chat-window {
  position: fixed;
  bottom: 0;
  width: 320px;
  height: 440px;
  background: white;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(110, 79, 158, 0.08);
  display: flex;
  flex-direction: column;
  transition: height 0.2s ease, opacity 0.15s ease;
  overflow: hidden;
}

/* --- Minimized state --- */
.fm-chat-window.fm-chat-minimized {
  height: 44px;
  width: auto;
  max-width: 240px;
  cursor: pointer;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.fm-chat-min-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-primary);
  color: white;
  height: 44px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.fm-chat-min-avatar {
  flex-shrink: 0;
}

.fm-chat-min-avatar .fm-avatar-circle {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.fm-chat-min-avatar .fm-status-dot {
  border-color: var(--color-primary);
}

.fm-chat-min-name {
  flex: 1;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fm-chat-min-badge {
  background: var(--color-error);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.fm-chat-min-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.fm-chat-min-close:hover {
  color: white;
}

/* --- Chat header --- */
.fm-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: white;
  border-bottom: 1px solid var(--surface-border);
  cursor: pointer;
  flex-shrink: 0;
}

.fm-chat-header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.fm-chat-header-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fm-chat-header-name:hover {
  color: var(--color-primary);
}

.fm-chat-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.fm-chat-minimize-btn,
.fm-chat-close-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.fm-chat-minimize-btn:hover,
.fm-chat-close-btn:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.fm-chat-close-btn {
  font-size: 1.3rem;
  line-height: 1;
}

/* --- Chat body (messages) --- */
.fm-chat-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-bg-alt);
}

/* --- Messages --- */
.fm-msg {
  max-width: 80%;
  display: flex;
  flex-direction: column;
}

.fm-msg-mine {
  align-self: flex-end;
}

.fm-msg-theirs {
  align-self: flex-start;
}

.fm-msg-bubble {
  padding: 8px 12px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.45;
  word-break: break-word;
}

.fm-msg-mine .fm-msg-bubble {
  background: var(--color-primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.fm-msg-theirs .fm-msg-bubble {
  background: white;
  color: var(--color-text);
  border: 1px solid var(--surface-border);
  border-bottom-left-radius: 4px;
}

.fm-msg-time {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  margin-top: 2px;
  padding: 0 4px;
}

.fm-msg-mine .fm-msg-time {
  text-align: right;
}

/* Message status indicators */
.fm-msg-status {
  vertical-align: middle;
  margin-left: 2px;
  display: inline-block;
}

.fm-msg-status-sent {
  color: var(--color-text-muted);
}

.fm-msg-status-delivered {
  color: var(--color-text-muted);
}

.fm-msg-status-seen {
  color: #3b82f6;
}

/* --- Chat footer (input) --- */
.fm-chat-footer {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 8px 10px;
  border-top: 1px solid var(--surface-border);
  background: white;
  flex-shrink: 0;
}

.fm-chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  resize: none;
  min-height: 36px;
  max-height: 100px;
  line-height: 1.4;
  outline: none;
  transition: border-color var(--transition-fast);
}

.fm-chat-input:focus {
  border-color: var(--color-primary-light);
}

.fm-chat-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.fm-chat-send-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.fm-chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   Floating Messenger — Mobile
   ============================================ */

@media (max-width: 767px) {
  .fm-launcher {
    bottom: 16px;
    right: 16px;
    width: 50px;
    height: 50px;
  }

  .fm-launcher svg {
    width: 22px;
    height: 22px;
  }

  .fm-panel {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-height: 75vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(100%);
  }

  .fm-panel.open {
    transform: translateY(0);
  }

  /* Mobile overlay for active chat */
  .fm-mobile-overlay {
    position: fixed;
    inset: 0;
    background: white;
    z-index: 10002;
    display: flex;
    flex-direction: column;
  }

  .fm-mobile-chat {
    display: flex;
    flex-direction: column;
    height: 100%;
    height: 100dvh;
  }

  .fm-mobile-chat .fm-chat-header {
    padding: 12px 8px;
    cursor: default;
    padding-top: max(12px, env(safe-area-inset-top));
  }

  .fm-mobile-chat .fm-chat-body {
    flex: 1;
    min-height: 0;
  }

  .fm-mobile-chat .fm-chat-footer {
    padding: 8px 12px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }

  .fm-mobile-back {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    margin-right: 4px;
  }

  .fm-mobile-back:hover {
    color: var(--color-primary);
  }

  /* Mobile tabs for minimized chats */
  .fm-mobile-tabs {
    position: fixed;
    bottom: 76px;
    left: 16px;
    right: 76px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    z-index: 9997;
  }

  .fm-mobile-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
  }

  .fm-mobile-tab:hover {
    background: var(--color-bg-alt);
  }

  .fm-mobile-tab-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
  }

  body.fm-mobile-open {
    overflow: hidden;
  }
}

/* --- Desktop chat layout adjustments --- */
@media (min-width: 768px) {
  .fm-mobile-overlay,
  .fm-mobile-tabs,
  .fm-mobile-tab,
  .fm-mobile-back {
    display: none !important;
  }

  .fm-chats-mobile .fm-chat-window {
    display: flex;
  }
}

/* ============================================
   REDUCED MOTION — respect user preference
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Modal body scroll lock --- */
body.modal-open {
  overflow: hidden;
  touch-action: none;
}

/* ============================================
   MOBILE PREMIUM REDESIGN
   Comprehensive mobile-only enhancements
   (max-width: 768px) — does NOT affect desktop
   ============================================ */
@media (max-width: 768px) {

  /* --- Navbar: tighter, more premium --- */
  .navbar {
    padding: 0 var(--space-sm);
    height: 56px;
  }
  .navbar-inner {
    height: 56px;
    gap: var(--space-xs);
  }
  .navbar-logo {
    font-size: 1.1rem;
    gap: 6px;
  }
  .logo-img {
    width: 28px;
    height: 28px;
  }

  /* --- Mobile drawer: premium feel --- */
  .navbar-links {
    padding-top: calc(56px + var(--space-md));
    border-left: 1px solid var(--surface-border);
  }
  .nav-link {
    padding: 12px 16px;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
  }

  /* --- Hero: better vertical rhythm --- */
  .hero {
    padding: calc(56px + var(--space-2xl)) var(--space-md) var(--space-2xl);
    text-align: center;
  }
  .hero-tagline {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
    line-height: 1.2;
  }
  .hero-subtitle {
    font-size: 0.9rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
  }

  /* --- Buttons: touch-friendly, rounded --- */
  .btn-primary,
  .btn-secondary,
  .btn-accent {
    border-radius: var(--radius-md);
    font-size: 0.875rem;
  }

  /* --- Cards: consistent rounded corners, subtle shadows --- */
  .about-card,
  .product-card,
  .pricing-card,
  .article-card,
  .faq-item,
  .card {
    border-radius: var(--radius-lg);
  }

  /* --- Section titles: better sizing --- */
  .section-heading {
    font-size: clamp(1.3rem, 5.5vw, 1.8rem);
    line-height: 1.25;
  }

  /* --- Auth pages: full-width cards, more spacious --- */
  .auth-card {
    border-radius: var(--radius-lg);
    margin: 0 var(--space-xs);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  }
  .auth-page {
    padding: calc(56px + var(--space-lg)) var(--space-sm) var(--space-lg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .auth-heading {
    font-size: 1.5rem;
  }
  .auth-form .input-field {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }
  .auth-form .btn-primary,
  .auth-form .btn-accent {
    padding: 14px 24px;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  /* --- Footer: compact --- */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .footer-brand {
    grid-column: 1 / -1;
    margin-bottom: var(--space-md);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
    font-size: 0.75rem;
  }

  /* --- Pricing cards: stack better --- */
  .pricing-card {
    padding: var(--space-xl);
  }
  .pricing-card.popular {
    transform: none;
    margin: 0;
  }
  .price-amount {
    font-size: 2.2rem;
  }

  /* --- Article page: better mobile reading --- */
  .article-hero {
    padding: calc(56px + var(--space-lg)) var(--space-md) var(--space-lg);
  }
  .article-hero .article-title {
    font-size: 1.4rem;
    line-height: 1.3;
  }
  .article-body-wrap {
    padding: 0 var(--space-sm);
  }
  .article-body-wrap p,
  .article-body-wrap li {
    font-size: 0.95rem;
    line-height: 1.75;
  }

  /* --- Newsletter grid: single column on small mobile --- */
  .newsletter-grid {
    grid-template-columns: 1fr;
  }

  /* --- Page headers: tighter --- */
  .page-header {
    padding: calc(56px + var(--space-lg)) 0 var(--space-lg);
  }
  .page-header .section-heading {
    font-size: 1.5rem;
  }

  /* --- Smooth momentum scrolling everywhere --- */
  .feed-category-tabs,
  .subnav-links,
  .comparison-table,
  .admin-table-wrap {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    scrollbar-width: none;
  }
  .feed-category-tabs::-webkit-scrollbar,
  .subnav-links::-webkit-scrollbar {
    display: none;
  }

  /* --- Mobile chat enhancements --- */
  .fm-mobile-overlay {
    background: var(--color-bg);
  }
  .fm-mobile-chat .fm-chat-header {
    padding: 10px 12px;
    padding-top: max(10px, env(safe-area-inset-top));
    background: var(--color-bg);
    border-bottom: 1px solid var(--surface-border);
  }
  .fm-mobile-chat .fm-chat-footer {
    background: var(--color-bg);
    border-top: 1px solid var(--surface-border);
    padding: 10px 12px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }
  .fm-mobile-chat .fm-chat-input {
    border-radius: var(--radius-full);
    padding: 10px 16px;
    font-size: 0.9375rem;
    background: var(--color-bg-alt);
    border-color: transparent;
  }
  .fm-mobile-chat .fm-chat-input:focus {
    border-color: var(--color-primary-light);
    background: var(--color-bg);
  }
  .fm-mobile-chat .fm-chat-send-btn {
    width: 38px;
    height: 38px;
  }
  .fm-mobile-chat .fm-chat-body {
    background: var(--color-bg-alt);
    padding: var(--space-md);
  }

  /* --- Panel (conversation list) on mobile: full height with handle --- */
  .fm-panel {
    max-height: 85vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding-top: 0;
  }
  .fm-panel::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--color-text-muted);
    opacity: 0.3;
    margin: 8px auto;
    flex-shrink: 0;
  }
  .fm-panel-header {
    padding: var(--space-sm) var(--space-md);
  }
  .fm-panel-title {
    font-size: 1.1rem;
    font-weight: 700;
  }
  .fm-conv-item {
    padding: 14px var(--space-md);
    border-radius: 0;
  }

  /* --- Mobile tabs for minimized chats: pill style --- */
  .fm-mobile-tab {
    padding: 8px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
  }

  /* --- Subnav: edge-to-edge on mobile --- */
  .subnav {
    padding: 0;
  }
  .subnav-links {
    padding: 0 var(--space-md);
  }

  /* --- Input fields global: bigger touch targets --- */
  .input-field,
  .input-select,
  textarea.input-field {
    padding: 12px 14px;
    font-size: 1rem;
    border-radius: var(--radius-md);
    min-height: 48px;
  }

  /* --- Page-level safe area for notch devices --- */
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
}