/* ==========================================================================
   COMPONENTS.CSS — Reusable UI Components
   ==========================================================================
*/
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base), backdrop-filter var(--transition-base);
}
.navbar.nav--scrolled {
  background-color: rgba(11, 15, 20, 0.92);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}
.navbar__logo:hover {
  opacity: 0.8;
  color: var(--color-text-primary);
}
.navbar__logo:visited {
  color: var(--color-text-primary);
}
.navbar__logo-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-primary);
  box-shadow: var(--glow-cyan);
  flex-shrink: 0;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}
.navbar__links a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.navbar__links a:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface-alt);
}
.navbar__links a.nav--active {
  color: var(--color-accent-primary);
  background-color: var(--color-accent-primary-bg);
}
.navbar__links a:visited {
  color: var(--color-text-secondary);
}
.navbar__links a.nav--active:visited {
  color: var(--color-accent-primary);
}
@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   2. HAMBURGER BUTTON
   -------------------------------------------------------------------------- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}
.hamburger:hover {
  background-color: var(--color-bg-surface-alt);
}
.hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}
.hamburger--open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger--open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger--open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   3. MOBILE MENU
   -------------------------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  background-color: rgba(11, 15, 20, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.mobile-menu--open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-menu__inner {
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mobile-menu__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.mobile-menu__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface-alt);
}
/* Prevent base.css a:visited (purple) from bleeding into mobile menu links */
.mobile-menu__link:visited {
  color: var(--color-text-secondary);
}
.mobile-menu__link.nav--active {
  color: var(--color-accent-primary);
  background-color: var(--color-accent-primary-bg);
}
.mobile-menu__link.nav--active:visited {
  color: var(--color-accent-primary);
}
.mobile-menu__divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-2) 0;
}

/* --------------------------------------------------------------------------
   4. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-fast);
  min-height: 44px;
}
.btn:visited {
  color: inherit;
}
.btn:active {
  transform: translateY(1px);
}
.btn--primary {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-page);
  border-color: var(--color-accent-primary);
}
.btn--primary:hover {
  background-color: var(--color-accent-primary-dim);
  border-color: var(--color-accent-primary-dim);
  box-shadow: var(--glow-cyan-strong);
  color: var(--color-bg-page);
}
.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}
.btn--secondary:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  background-color: var(--color-accent-primary-bg);
}
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface-alt);
}
.btn--purple {
  background-color: var(--color-accent-secondary);
  color: var(--color-text-primary);
  border-color: var(--color-accent-secondary);
}
.btn--purple:hover {
  background-color: var(--color-accent-secondary-dim);
  box-shadow: var(--glow-purple);
  color: var(--color-text-primary);
}
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: 36px;
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  min-height: 52px;
}
.btn-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
/* Ensure small primary buttons are visible (override safety) */
.btn--primary.btn--sm {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-page);
  border-color: var(--color-accent-primary);
}
.btn--primary.btn--sm:hover {
  background-color: var(--color-accent-primary-dim);
  border-color: var(--color-accent-primary-dim);
  box-shadow: var(--glow-cyan-strong);
  color: var(--color-bg-page);
}

/* --------------------------------------------------------------------------
   5. BADGES & TAGS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
  background-color: var(--color-bg-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.badge--primary {
  background-color: var(--color-accent-primary-bg);
  color: var(--color-accent-primary);
  border-color: rgba(0, 229, 255, 0.2);
}
.badge--secondary {
  background-color: var(--color-accent-secondary-bg);
  color: var(--color-accent-secondary);
  border-color: rgba(139, 92, 246, 0.2);
}
.badge--success {
  background-color: var(--color-easy-bg);
  color: var(--color-easy);
  border-color: rgba(16, 185, 129, 0.2);
}
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   6. DIVIDER
   -------------------------------------------------------------------------- */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border-light), transparent);
  border: none;
  margin: 0;
}

/* --------------------------------------------------------------------------
   7. SUBJECT CARD (homepage)
   -------------------------------------------------------------------------- */
.subject-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  will-change: transform;
}
.subject-card:visited {
  color: inherit;
}
.subject-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.subject-card[data-subject="mathematics"]:hover {
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 229, 255, 0.08);
}
.subject-card[data-subject="physics"]:hover {
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(139, 92, 246, 0.08);
}
.subject-card[data-subject="computer-science"]:hover {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.08);
}
.subject-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  flex-shrink: 0;
}
.subject-card[data-subject="mathematics"] .subject-card__icon {
  background-color: var(--color-accent-primary-bg);
  color: var(--color-accent-primary);
}
.subject-card[data-subject="physics"] .subject-card__icon {
  background-color: var(--color-accent-secondary-bg);
  color: var(--color-accent-secondary);
}
.subject-card[data-subject="computer-science"] .subject-card__icon {
  background-color: var(--palette-green-muted);
  color: var(--palette-green);
}
.subject-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.subject-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
}
.subject-card__spec {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}
.subject-card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  max-width: none;
}
.subject-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.subject-card__arrow {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  transition: transform var(--transition-base), color var(--transition-fast);
}
.subject-card:hover .subject-card__arrow {
  transform: translateX(4px);
  color: var(--color-accent-primary);
}

/* --------------------------------------------------------------------------
   8. FEATURE CARDS (What You Get) – modern version (no duplicate)
   -------------------------------------------------------------------------- */
.feature-card {
  padding: var(--space-6);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.feature-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}
.feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  background-color: var(--color-bg-surface-alt);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-light);
}
.feature-card__icon--cyan { color: var(--color-accent-primary); background-color: var(--color-accent-primary-bg); }
.feature-card__icon--purple { color: var(--color-accent-secondary); background-color: var(--color-accent-secondary-bg); }
.feature-card__icon--green { color: var(--palette-green); background-color: var(--palette-green-muted); }
.feature-card__icon--red { color: var(--palette-red); background-color: var(--palette-red-muted); }
.feature-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}
.feature-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  max-width: none;
}
.feature-card__subjects {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   9. STAT COUNTER CARD (unused but kept)
   -------------------------------------------------------------------------- */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.stat-card__value {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-accent-primary);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}
.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

/* --------------------------------------------------------------------------
   10. DIFFICULTY BADGE
   -------------------------------------------------------------------------- */
.difficulty-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}
.difficulty-badge--easy {
  background-color: var(--color-easy-bg);
  color: var(--color-easy);
  border-color: rgba(16, 185, 129, 0.2);
}
.difficulty-badge--medium {
  background-color: var(--color-medium-bg);
  color: var(--color-medium);
  border-color: rgba(245, 158, 11, 0.2);
}
.difficulty-badge--hard {
  background-color: var(--color-hard-bg);
  color: var(--color-hard);
  border-color: rgba(239, 68, 68, 0.2);
}

/* --------------------------------------------------------------------------
   11. SUPPORT / DONATION CARD (unused but kept)
   -------------------------------------------------------------------------- */
.support-section {
  padding-block: var(--space-16);
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.support-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--color-bg-surface-alt) 0%, var(--color-bg-surface) 100%);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.support-card__text {
  flex: 2;
  min-width: 240px;
}
.support-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.support-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: none;
}
.support-card__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}
.support-card .btn svg {
  margin-right: var(--space-2);
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   12. ACCORDION
   -------------------------------------------------------------------------- */
.accordion-section {
  padding-block: var(--space-16);
  background-color: var(--color-bg-page);
}
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-surface);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.accordion__item:hover {
  border-color: var(--color-border-light);
}
.accordion__trigger {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border-radius: 0;
}
.accordion__trigger:hover {
  background-color: var(--color-bg-surface-alt);
}
.accordion__icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.accordion__icon::before,
.accordion__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-text-secondary);
  border-radius: 2px;
  transition: transform var(--transition-base);
}
.accordion__icon::before {
  top: 9px;
  left: 2px;
  width: 16px;
  height: 2px;
}
.accordion__icon::after {
  top: 2px;
  left: 9px;
  width: 2px;
  height: 16px;
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease-out;
}
.accordion__body[aria-hidden="false"] {
  max-height: none;
}
.accordion__body-inner {
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}
@media (prefers-reduced-motion: reduce) {
  .accordion__body,
  .accordion__icon {
    transition: none;
  }
}

/* --------------------------------------------------------------------------
   13. ANKI DECKS SECTION (Computer Science)
   -------------------------------------------------------------------------- */
.anki-section {
  padding-block: var(--space-16);
  background-color: var(--color-bg-page);
}
.decks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.anki-deck-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.anki-deck-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}
.anki-deck-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.anki-deck-card__paper {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  background-color: var(--color-accent-primary-bg);
  color: var(--color-accent-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}
.anki-deck-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}
.anki-deck-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}
.anki-deck-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.combined-notice {
  margin-top: var(--space-6);
  padding: var(--space-4);
  text-align: center;
  background-color: var(--color-bg-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.combined-notice a {
  color: var(--color-accent-primary);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   14. ANKI GUIDE SECTION (How I Used Anki)
   -------------------------------------------------------------------------- */
.anki-guide-section {
  padding-block: var(--space-16);
  background-color: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.guide-card {
  background-color: var(--color-bg-page);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-base);
}
.guide-card:hover {
  border-color: var(--color-border-light);
}
.guide-card__icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}
.guide-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}
.guide-card__list {
  list-style: disc;
  padding-left: var(--space-5);
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.guide-card__list li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}
.guide-card__example {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background-color: var(--color-bg-surface-alt);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-accent-primary);
}
@media (max-width: 640px) {
  .decks-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }
}
/* Navbar in light mode */
.light-mode .navbar.nav--scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

/* Glassmorphism cards (viewing recommendation, study order, import notice) */
.light-mode .viewing-rec-compact,
.light-mode .study-order-card,
.light-mode .import-notice {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-color: rgba(15, 103, 179, 0.2);
}

.light-mode .viewing-rec-compact__text,
.light-mode .study-order-card__title,
.light-mode .import-notice__text {
  color: var(--color-text-secondary);
}

.light-mode .viewing-rec-compact__sub {
  color: var(--color-text-muted);
  border-left-color: var(--color-border-light);
}

/* Feedback block in light mode */
.light-mode .feedback-block {
  background: var(--color-bg-surface-alt);
  border-top-color: var(--color-border);
}

/* Mobile menu in light mode */
.light-mode .mobile-menu {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.light-mode .mobile-menu__link:hover {
  background-color: var(--color-bg-surface-alt);
}

/* Footer in light mode */
.light-mode .footer {
  background-color: var(--color-bg-surface);
  border-top-color: var(--color-border);
}

.light-mode .footer__links a {
  color: var(--color-text-muted);
}
.light-mode .footer__links a:hover {
  color: var(--color-text-primary);
}