/* ===================================================================
   مركز البابا أثناسيوس الرسولي الكنسي
   UI Components (css/components.css)
   =================================================================== */

/* -------------------------------------------------------------
   1. Sticky Header
   ------------------------------------------------------------- */
/* -------------------------------------------------------------
   1. Floating Glass Header (Modern Iconostasis)
   ------------------------------------------------------------- */
.site-header {
  position: sticky;
  inset-block-start: clamp(6px, 1.2vw, 10px);
  z-index: 100;
  max-width: min(calc(100% - 20px), var(--container-max-width));
  margin-inline: auto;
  margin-block-start: 6px;
  margin-block-end: 8px;
  border-radius: var(--radius-full);
  background-color: var(--glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  min-height: 52px;
  padding-inline: clamp(10px, 2.5vw, 18px);
  padding-block: 4px;
  overflow: hidden;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(248, 243, 234, 0.96);
  border-color: var(--coptic-gold);
  box-shadow: var(--shadow-2);
}

.site-header .container,
.site-header .header-container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  padding-inline: 0 !important;
  gap: var(--space-3);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-height: 40px;
  flex-shrink: 0;
}

.brand-emblem {
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--coptic-gold);
  background: var(--bg-surface, #ffffff);
  box-shadow: 0 0 12px var(--gold-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  transition: transform var(--transition-bounce), box-shadow var(--transition-fast);
}

.header-brand:hover .brand-emblem {
  transform: scale(1.08);
  box-shadow: 0 0 18px var(--gold-glow);
}

.brand-emblem-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-title {
  font-size: clamp(0.9375rem, 3.6vw, 1.0625rem);
  font-weight: 800;
  color: var(--parchment);
  line-height: 1.25;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: var(--text-xs);
  color: var(--coptic-gold);
  font-weight: 600;
  letter-spacing: 0.02em;
}

@media (max-width: 480px) {
  .brand-subtitle {
    display: none;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Header Search Trigger Button - Sleek Circular Glass Button */
.header-search-btn,
.site-header .btn-icon[data-action="open-search"],
.header-actions .btn-icon[data-action="open-search"] {
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  min-height: 38px !important;
  border-radius: 50% !important;
  background: var(--glass-surface) !important;
  border: 1.5px solid var(--border-coptic) !important;
  color: var(--parchment) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
  cursor: pointer !important;
  transition: all var(--transition-fast) !important;
  flex-shrink: 0 !important;
}

.header-search-btn:hover,
.site-header .btn-icon[data-action="open-search"]:hover,
.header-actions .btn-icon[data-action="open-search"]:hover {
  border-color: var(--coptic-gold) !important;
  color: var(--coptic-gold) !important;
  background: var(--gold-subtle) !important;
  box-shadow: 0 0 14px var(--gold-glow) !important;
  transform: scale(1.06) !important;
}

.header-search-btn,
.site-header .btn-icon[data-action="open-search"] {
  background: rgba(150, 110, 20, 0.05) !important;
  border-color: rgba(150, 110, 20, 0.25) !important;
  color: var(--parchment) !important;
}

.header-search-btn:hover,
.site-header .btn-icon[data-action="open-search"]:hover {
  background: rgba(150, 110, 20, 0.12) !important;
  border-color: var(--coptic-gold) !important;
  box-shadow: 0 2px 10px rgba(150, 110, 20, 0.2) !important;
}

.header-search-btn svg,
.site-header .btn-icon[data-action="open-search"] svg {
  width: 18px;
  height: 18px;
}

/* Header User Profile Avatar Button (Matching 38px Circular Button) */
.header-avatar-btn {
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--coptic-gold);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
  color: var(--coptic-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 0 10px var(--gold-glow);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  user-select: none;
}

.header-avatar-btn:hover {
  transform: scale(1.08);
  border-color: var(--gold-light);
  box-shadow: 0 0 16px var(--gold-glow);
}

.header-avatar-btn:focus-visible {
  outline: 2px solid var(--coptic-gold);
  outline-offset: 2px;
}

.header-avatar-img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.header-avatar-initial {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--coptic-gold);
  line-height: 1;
  font-family: var(--font-arabic);
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

/* Header Desktop Nav with Pure CSS Capsule & Gold Underline Hover */
.header-nav {
  display: none;
  position: relative;
}

.nav-indicator {
  display: none !important;
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
  }

  .nav-link {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--parchment-soft);
    padding: 7px 16px;
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-decoration: none;
    user-select: none;
  }

  .nav-link:hover {
    color: var(--coptic-gold);
    background-color: rgba(212, 175, 55, 0.08);
  }

  .nav-link.active {
    color: var(--coptic-gold);
    font-weight: 700;
    background-color: rgba(212, 175, 55, 0.12);
  }

  /* Precise, centered gold accent indicator bar directly under the active/hovered link */
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    width: 24px;
    height: 2.5px;
    background: var(--gold-gradient);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--gold-glow);
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    opacity: 0;
    pointer-events: none;
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
  }

  /* Seamless hover transition: when hovering a nav link, active item dims subtly */
  .header-nav:has(.nav-link:hover) .nav-link.active:not(:hover)::after {
    opacity: 0.35;
    transform: translateX(-50%) scaleX(0.7);
  }

  .header-nav:has(.nav-link:hover) .nav-link.active:not(:hover) {
    background-color: transparent;
    color: var(--parchment-soft);
  }

  .header-nav:has(.nav-link:hover) .nav-link:hover {
    color: var(--coptic-gold);
    background-color: rgba(212, 175, 55, 0.12);
  }
}


/* -------------------------------------------------------------
   2. Buttons
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--madder-light), var(--royal-madder));
  color: var(--text-on-accent);
  border: 1px solid var(--coptic-gold);
  box-shadow: 0 4px 14px var(--madder-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--royal-madder), var(--madder-dark));
  box-shadow: 0 6px 20px var(--madder-glow), 0 0 15px var(--gold-glow);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--parchment);
  border: 1px solid var(--border-coptic);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--coptic-gold);
  color: var(--coptic-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--coptic-gold));
  color: var(--text-on-gold);
  border: 1px solid var(--gold-dark);
  font-weight: 800;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--coptic-gold), var(--gold-dark));
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.45);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--parchment);
  border: 1px solid var(--border-coptic);
}

.btn-outline:hover {
  border-color: var(--coptic-gold);
  color: var(--coptic-gold);
  background: var(--gold-subtle);
}

.btn-danger {
  background: var(--error);
  color: #FFFFFF;
  border: 1px solid var(--error);
  box-shadow: 0 4px 14px var(--error-glow);
}

.btn-danger:hover {
  background: #A81B1B;
  box-shadow: 0 6px 18px var(--error-glow);
  transform: translateY(-2px);
}

.btn-danger-outline {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(198, 40, 40, 0.45);
}

.btn-danger-outline:hover {
  background: rgba(198, 40, 40, 0.1);
  border-color: var(--error);
  color: var(--error);
  transform: translateY(-2px);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-coptic);
  color: var(--parchment-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  color: var(--coptic-gold);
  border-color: var(--coptic-gold);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-gold);
}

.btn-sm {
  min-height: 36px;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

.btn-icon.btn-sm {
  width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-icon.btn-sm svg {
  width: 16px;
  height: 16px;
}

/* -------------------------------------------------------------
   2.5 Form Controls (Inputs, Selects, Labels)
   ------------------------------------------------------------- */
.form-group {
  margin-block-end: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--parchment);
  line-height: 1.4;
}

.input-control {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-coptic);
  color: var(--parchment);
  font-size: var(--text-sm);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  box-sizing: border-box;
}

.input-control:focus {
  border-color: var(--coptic-gold);
  box-shadow: 0 0 10px var(--gold-glow);
  outline: none;
}

select.input-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23D4AF37' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 12px center;
  padding-inline-end: 36px;
  appearance: none;
  -webkit-appearance: none;
}

textarea.input-control {
  min-height: 84px;
  resize: vertical;
  line-height: 1.6;
}

/* -------------------------------------------------------------
   3. Badges, Tags & Chips
   ------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1;
}

.badge-gold {
  background: var(--gold-subtle);
  color: var(--coptic-gold);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.badge-madder {
  background: rgba(128, 24, 44, 0.1);
  color: var(--royal-madder);
  border: 1px solid rgba(128, 24, 44, 0.3);
}

.badge-count {
  background: var(--bg-primary);
  color: var(--parchment-soft);
  border: 1px solid var(--border-coptic);
  font-size: var(--text-xs);
  padding: 3px 8px;
}

/* -------------------------------------------------------------
   4. Department Cards Grid (The Core 6 Departments)
   ------------------------------------------------------------- */
.departments-grid {
  display: grid;
  gap: clamp(var(--space-3), 2.5vw, var(--space-5));
  grid-template-columns: 1fr;
}

@media (min-width: 360px) {
  .departments-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .departments-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .departments-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.department-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-coptic);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-4), 3.5vw, var(--space-5));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  min-height: 180px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
  overflow: hidden;
}

.department-card::before {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  inset-inline-end: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--border-coptic), transparent);
  transition: background var(--transition-normal);
}

.department-card:hover,
.department-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--coptic-gold);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6), 0 0 20px var(--gold-glow);
}

.department-card:hover::before,
.department-card:focus-visible::before {
  background: linear-gradient(90deg, transparent, var(--coptic-gold), transparent);
}

.department-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-block-end: var(--space-3);
}

.department-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(128, 24, 44, 0.15));
  border: 1px solid rgba(212, 175, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coptic-gold);
  transition: transform var(--transition-bounce), color var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}

.department-icon-box svg {
  width: 28px;
  height: 28px;
}

.department-card:hover .department-icon-box {
  transform: scale(1.1);
  color: #FFF2A8;
  border-color: var(--coptic-gold);
  box-shadow: 0 0 14px var(--gold-glow);
}

.department-card-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--parchment);
  margin-block-end: var(--space-2);
  line-height: 1.3;
}

.department-card-body p {
  font-size: var(--text-sm);
  color: var(--parchment-soft);
  margin-block-end: var(--space-3);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.department-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--space-3);
  border-block-start: 1px solid var(--border-coptic);
  font-size: var(--text-xs);
  color: var(--coptic-gold);
  font-weight: 600;
}

.department-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  color: var(--parchment-soft);
  transition: transform var(--transition-normal), color var(--transition-fast), background var(--transition-fast);
}

.department-card:hover .department-arrow {
  color: var(--coptic-gold);
  background: var(--gold-subtle);
  transform: translateX(-4px);
}

/* -------------------------------------------------------------
   5. Lecture Cards & Carousel
   ------------------------------------------------------------- */
.carousel-wrapper {
  position: relative;
  margin-inline: calc(clamp(var(--space-3), 4vw, var(--space-6)) * -1);
  padding-inline: clamp(var(--space-3), 4vw, var(--space-6));
}

.lectures-carousel {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block-end: var(--space-4);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.lectures-carousel::-webkit-scrollbar {
  height: 4px;
}

.lecture-card {
  flex: 0 0 clamp(240px, 72vw, 320px);
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border-coptic);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.lecture-card:hover {
  transform: translateY(-4px);
  border-color: var(--coptic-gold);
  box-shadow: var(--shadow-md), var(--shadow-gold);
}

.lecture-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
  display: flex;
  align-items: center;
  justify-content: center;
  border-block-end: 1px solid var(--border-coptic);
  overflow: hidden;
}

.lecture-thumb-artwork {
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.lecture-play-pill {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--coptic-gold);
  color: var(--coptic-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(34, 23, 17, 0.14);
  transition: transform var(--transition-bounce), background var(--transition-fast);
}

.lecture-card:hover .lecture-play-pill {
  transform: scale(1.15);
  background: var(--royal-madder);
  color: var(--text-on-accent);
}

.lecture-content {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.lecture-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-2);
}

.lecture-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--parchment);
  line-height: 1.4;
  margin-block-end: var(--space-2);
}

.lecture-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--parchment-muted);
}

.lecture-info span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lecture-info svg {
  width: 14px;
  height: 14px;
}

/* -------------------------------------------------------------
   6. Mobile Slide-in Drawer Menu
   ------------------------------------------------------------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-content {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  width: min(85vw, 340px);
  background: var(--bg-secondary);
  border-inline-end: 1px solid var(--border-coptic);
  z-index: 160;
  transform: translateX(100%); /* RTL: starts off-screen */
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4);
  padding-block-start: calc(var(--space-5) + env(safe-area-inset-top, 0px));
  padding-block-end: calc(var(--space-5) + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
}

[dir="rtl"] .drawer-content {
  transform: translateX(100%);
}

.drawer-overlay.open .drawer-content {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-end: var(--space-4);
  border-block-end: 1px solid var(--border-coptic);
  margin-block-end: var(--space-4);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--parchment-soft);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.drawer-link svg {
  width: 22px;
  height: 22px;
  color: var(--coptic-gold);
}

.drawer-link:hover,
.drawer-link.active {
  background: var(--gold-subtle);
  color: var(--coptic-gold);
}

.drawer-footer {
  margin-block-start: auto;
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--border-coptic);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* -------------------------------------------------------------
   7. Mobile Bottom Navigation Bar (RTL First, Fixed Glass)
   ------------------------------------------------------------- */
.bottom-nav {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  height: var(--bottom-nav-height);
  padding-block-end: env(safe-area-inset-bottom, 0px);
  background: var(--bg-bottom-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-block-start: 1px solid var(--border-coptic);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  z-index: 90;
  align-items: center;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding-block: var(--space-1);
  color: var(--parchment-muted);
  text-decoration: none;
  transition: color var(--transition-fast), transform 120ms var(--ease-out);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item:active {
  transform: scale(0.92);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
  margin-block-end: 3px;
  transition: transform var(--transition-bounce), color var(--transition-fast);
}

.bottom-nav-label {
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
}

.bottom-nav-item.active {
  color: var(--coptic-gold);
}

.bottom-nav-item.active svg {
  transform: translateY(-2px);
  color: var(--coptic-gold);
}

/* -------------------------------------------------------------
   8. Command Palette Search Modal
   ------------------------------------------------------------- */
.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 7, 5, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(var(--space-3), 3vw, var(--space-5));
  padding-block-start: calc(clamp(var(--space-5), 5vw, var(--space-7)) + env(safe-area-inset-top, 0px));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.search-modal.open {
  opacity: 1;
  visibility: visible;
}

.search-box-card {
  width: min(100%, 640px);
  background: var(--bg-card);
  border: 1px solid var(--coptic-gold);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-3), 0 0 24px var(--gold-glow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(-8px);
  transition: transform var(--transition-normal);
}

.search-modal.open .search-box-card {
  transform: translateY(0);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-block-end: 1px solid var(--border-coptic);
  background: var(--bg-secondary);
}

.search-input-wrapper svg {
  color: var(--coptic-gold);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: var(--text-lg);
  color: var(--parchment);
  outline: none;
}

.search-input::placeholder {
  color: var(--parchment-muted);
}

/* Search Modal Filter Pills */
.search-filter-pills {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-block-end: 1px solid var(--border-coptic);
  background: var(--bg-card);
  overflow-x: auto;
  scrollbar-width: none;
}

.search-filter-pills::-webkit-scrollbar {
  display: none;
}

.search-filter-pill {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-coptic);
  color: var(--parchment-soft);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.search-filter-pill:hover {
  border-color: var(--coptic-gold);
  color: var(--coptic-gold);
}

.search-filter-pill.active {
  background: var(--coptic-gold);
  border-color: var(--coptic-gold);
  color: #120D0A;
  box-shadow: 0 0 10px var(--gold-glow);
}

/* Smart Search Highlighting */
mark.search-highlight {
  background: rgba(212, 175, 55, 0.35);
  color: #7A5700;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 4px;
}

.search-results-list {
  max-height: 55vh;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Suggestions & Recent Searches Chips */
.search-suggestions-box {
  padding-block: var(--space-2);
}

.search-suggestions-title {
  display: block;
  font-size: var(--text-xs);
  color: var(--parchment-muted);
  font-weight: 700;
  margin-block-end: var(--space-3);
}

.search-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-coptic);
  color: var(--parchment-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 36px;
}

.search-chip:hover,
.search-chip:focus-visible {
  border-color: var(--coptic-gold);
  color: var(--coptic-gold);
  background: var(--gold-subtle);
}

.search-chip svg {
  width: 14px;
  height: 14px;
  color: var(--coptic-gold);
}

.search-category-header {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--coptic-gold);
  padding-inline: var(--space-2);
  padding-block-start: var(--space-3);
  padding-block-end: var(--space-1);
  letter-spacing: 0.04em;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.search-result-item:hover,
.search-result-item:focus-visible,
.search-result-item.highlighted {
  border-color: var(--coptic-gold);
  background: var(--bg-card-hover);
  box-shadow: 0 0 12px var(--gold-glow);
  outline: none;
}

.search-item-info h4 {
  font-size: var(--text-base);
  margin-block-end: 2px;
  color: var(--parchment);
}

.search-item-info p {
  font-size: var(--text-xs);
  color: var(--parchment-soft);
  margin: 0;
}

.search-item-badge {
  font-size: var(--text-xs);
  color: var(--coptic-gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-inline-start: var(--space-3);
}

/* -------------------------------------------------------------
   9. Toast Notification
   ------------------------------------------------------------- */
.toast-container {
  position: fixed;
  inset-block-start: calc(var(--space-4) + env(safe-area-inset-top, 0px));
  inset-inline-end: var(--space-4);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: min(90vw, 420px);
  background: var(--bg-card);
  border: 1px solid var(--coptic-gold);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--parchment);
  font-size: var(--text-sm);
  font-weight: 600;
  transform: translateY(-20px);
  opacity: 0;
  transition: transform var(--transition-bounce), opacity var(--transition-fast);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success svg { color: var(--success); }
.toast.toast-error svg { color: var(--error); }
.toast.toast-gold svg { color: var(--coptic-gold); }

/* -------------------------------------------------------------
   10. Skeleton Loader & Empty State (SVG Only)
   ------------------------------------------------------------- */
.skeleton-card {
  background: var(--bg-card);
  border: 1px solid var(--border-coptic);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 180px;
  position: relative;
  overflow: hidden;
}

.skeleton-shimmer {
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.08), transparent);
  animation: shimmer 1.8s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state-svg {
  width: 72px;
  height: 72px;
  color: var(--border-coptic-strong);
  margin-block-end: var(--space-3);
}

/* -------------------------------------------------------------
   Section Header Utility
   ------------------------------------------------------------- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-end: var(--space-6);
  flex-wrap: wrap;
}

.section-header-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.section-header-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--madder-dark), var(--royal-madder));
  border: 1.5px solid var(--coptic-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(128, 24, 44, 0.2);
}

.section-header-icon .svg-icon,
.section-header-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--coptic-gold);
}

.section-header-title h1,
.section-header-title h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--parchment);
  margin: 0 0 4px 0;
}

.section-header-title p {
  font-size: var(--text-sm);
  color: var(--parchment-muted);
  margin: 0;
}