/* ==========================================================================
   MAITHILI DIGITAL COMMONS - Reusable UI Components
   ========================================================================== */

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

[data-theme="dark"] .navbar {
  background-color: rgba(14, 21, 34, 0.92);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar-brand img {
  height: 44px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.navbar-brand img.brand-logo-dark {
  display: none !important;
}

.navbar-brand img.brand-logo-light {
  display: block !important;
}

[data-theme="dark"] .navbar-brand img.brand-logo-dark {
  display: block !important;
}

[data-theme="dark"] .navbar-brand img.brand-logo-light {
  display: none !important;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-terracotta);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-terracotta);
  border-radius: var(--radius-full);
}

/* --- Navigation Dropdowns --- */
.nav-item-dropdown {
  position: relative;
  list-style: none;
}

.nav-dropdown-toggle {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  background: none;
  border: none;
  padding: 0.5rem 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active {
  color: var(--color-terracotta);
}

.nav-dropdown-toggle.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-terracotta);
  border-radius: var(--radius-full);
}

.nav-chevron {
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
  display: inline-block;
  opacity: 0.75;
}

.nav-item-dropdown:hover .nav-chevron,
.nav-item-dropdown.open .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 220px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.12), 0 8px 12px -6px rgba(0, 0, 0, 0.08);
  padding: 0.5rem;
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: dropdownFadeIn 160ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-theme="dark"] .nav-dropdown-menu {
  background-color: rgba(30, 41, 59, 0.95);
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.55), 0 8px 12px -6px rgba(0, 0, 0, 0.45);
}

.nav-dropdown-menu.dropdown-align-right {
  left: auto;
  right: 0;
}

/* Invisible bridge bridging the gap between toggle and dropdown menu to prevent hover collapse */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -0.6rem;
  left: 0;
  right: 0;
  height: 0.6rem;
  background: transparent;
  pointer-events: auto;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Open dropdown on hover or focus-within for desktop */
@media (min-width: 1025px) {
  .nav-item-dropdown:hover > .nav-dropdown-menu,
  .nav-item-dropdown:focus-within > .nav-dropdown-menu,
  .nav-item-dropdown.open > .nav-dropdown-menu {
    display: flex;
  }
}

.nav-item-dropdown.open > .nav-dropdown-menu {
  display: flex;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: rgba(194, 65, 12, 0.08);
  color: var(--color-terracotta);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  background-color: rgba(234, 88, 12, 0.15);
  color: #fdba74;
}

.dropdown-item.active {
  background-color: rgba(194, 65, 12, 0.12);
  color: var(--color-terracotta);
  font-weight: 600;
}

.dropdown-header {
  padding: 0.5rem 0.85rem 0.35rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 0.35rem 0;
  list-style: none;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-terracotta-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(214, 69, 39, 0.28);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-indigo);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--color-indigo-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(26, 43, 73, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--color-terracotta);
  color: var(--color-terracotta);
  background-color: var(--color-terracotta-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--bg-surface-subtle);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-full);
}

/* --- Cards --- */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-highlight {
  border-left: 4px solid var(--color-terracotta);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-body {
  flex: 1 1 auto;
}

.card-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Audio Player Widget --- */
.audio-player-widget {
  background: linear-gradient(135deg, var(--color-indigo) 0%, #0F1B2F 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-md);
}

.audio-play-btn {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.audio-play-btn:hover {
  transform: scale(1.06);
  background-color: #E25032;
}

.audio-track-info {
  flex: 1;
  min-width: 0;
}

.audio-title {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.audio-speaker {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.65rem;
}

.audio-progress-bar {
  width: 100%;
  height: 5px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
}

.audio-progress-fill {
  height: 100%;
  width: 35%;
  background-color: var(--color-gold-bright);
  border-radius: var(--radius-full);
  position: relative;
}

.audio-time-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.35rem;
}

/* --- Modal Dialog --- */
dialog.modal {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  background: transparent;
  max-width: 480px;
  width: 90%;
  margin: auto;
  box-shadow: var(--shadow-xl);
}

/* Modal sizes */
dialog.modal.modal-lg,
#suggest-word-modal {
  max-width: 620px;
  width: min(620px, 94vw);
  padding: 0;
  overflow: visible;
  box-sizing: border-box;
}

#suggest-word-modal > div {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
  padding: 2.25rem 2.25rem 2.25rem 2.5rem !important;
}

/* Form Controls */
.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium, #CBD5E1);
  border-radius: var(--radius-md, 8px);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
}

.form-control:focus {
  border-color: var(--color-terracotta, #C05621);
  box-shadow: 0 0 0 3px var(--color-terracotta-light, rgba(192, 86, 33, 0.15));
}

textarea.form-control {
  resize: vertical;
  min-height: 70px;
}

dialog.modal::backdrop {
  background-color: rgba(15, 27, 47, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-tertiary);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

/* --- Toast Notifications --- */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toastSlideIn 250ms ease forwards;
}

.toast-success {
  border-left: 4px solid var(--color-emerald);
}

.toast-error {
  border-left: 4px solid var(--color-terracotta);
}

.toast-info {
  border-left: 4px solid var(--color-indigo);
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(214, 69, 39, 0.15);
  outline: none;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-indigo-dark);
  color: #D1D5DB;
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer a {
  color: #9CA3AF;
}

.footer a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #6B7280;
}

/* Mobile Nav Drawer */
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }
  .navbar-nav {
    display: none;
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    gap: 0.5rem;
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
  }
  .navbar-nav.show {
    display: flex;
  }
  .nav-item-dropdown {
    width: 100%;
  }
  .nav-item-dropdown .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.65rem 0.5rem;
    border-radius: var(--radius-sm);
  }
  .nav-item-dropdown.open .nav-dropdown-toggle {
    background-color: rgba(194, 65, 12, 0.06);
    color: var(--color-terracotta);
  }
  .nav-item-dropdown .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-terracotta);
    border-radius: 0;
    padding: 0.25rem 0 0.5rem 0.85rem;
    margin: 0.25rem 0 0.5rem 0.5rem;
    background: transparent;
    display: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav-item-dropdown.open > .nav-dropdown-menu {
    display: flex;
  }
}

/* ==========================================================================
   PHASE 2 ENHANCEMENTS: Library Reader, Dictionary, WOTD, and Admin Dashboard
   ========================================================================== */

/* --- Reading Interface --- */
.reader-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  line-height: 1.95;
  letter-spacing: 0.015em;
  transition: background-color 200ms ease, color 200ms ease;
}

.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.reader-content {
  font-family: var(--font-devanagari), Georgia, 'Times New Roman', serif;
  font-size: 1.15rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.reader-content[data-reader-mode="sepia"] {
  background-color: #F8F1E5;
  color: #382E25;
  border-color: #E2D3B8;
}

.reader-content[data-reader-mode="dark"] {
  background-color: #1A202C;
  color: #E2E8F0;
  border-color: #2D3748;
}

.reader-content[data-reader-mode="night"] {
  background-color: #0A0F1D;
  color: #CBD5E1;
  border-color: #1E293B;
}

.font-tirhuta {
  font-family: 'Noto Sans Tirhuta', serif;
  letter-spacing: 0.04em;
}

/* --- Dictionary Styles --- */
.dict-search-modes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.mode-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn:hover {
  background-color: var(--color-sand);
  color: var(--text-primary);
}

.mode-btn.active {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border-color: var(--color-terracotta);
  box-shadow: 0 2px 6px rgba(214, 69, 39, 0.25);
}

.alphabet-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  padding: 0.75rem 0;
  margin-bottom: 1.5rem;
}

.alphabet-btn {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.alphabet-btn:hover, .alphabet-btn.active {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border-color: var(--color-terracotta);
}

/* --- Word of the Day Share Card --- */
.wotd-share-card {
  background: linear-gradient(135deg, var(--color-indigo-dark) 0%, #172A45 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.wotd-share-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, rgba(245, 158, 11, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* --- Admin Tabs & Tables --- */
.admin-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 2rem;
  overflow-x: auto;
}

.admin-tab-btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.admin-tab-btn:hover {
  color: var(--color-terracotta);
}

.admin-tab-btn.active {
  color: var(--color-terracotta);
  border-bottom-color: var(--color-terracotta);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.data-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-medium);
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-primary);
}

.data-table tr:hover td {
  background-color: rgba(214, 69, 39, 0.02);
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-approved, .status-published {
  background-color: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.status-pending {
  background-color: rgba(245, 158, 11, 0.15);
  color: #D97706;
}

.status-rejected {
  background-color: rgba(239, 68, 68, 0.15);
  color: #DC2626;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Back Navigation Bar & Reusable Back Button Component
   ========================================================================== */
.back-nav-bar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.6rem 0;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

[data-theme="dark"] .back-nav-bar {
  background-color: var(--bg-surface);
}

.back-nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.4;
  user-select: none;
  -webkit-user-select: none;
}

.back-button:hover {
  color: var(--color-terracotta);
  background-color: var(--color-terracotta-light);
  border-color: rgba(214, 69, 39, 0.18);
}

.back-button:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 2px;
  border-color: var(--color-terracotta);
}

.back-button-arrow {
  font-size: 1.05rem;
  line-height: 1;
  transition: transform var(--transition-fast);
  display: inline-block;
}

.back-button:hover .back-button-arrow {
  transform: translateX(-3px);
}

.back-button-text {
  font-size: 0.875rem;
  letter-spacing: 0.01em;
}

/* Harmonize section padding when preceded by back-nav-bar */
.back-nav-bar + .section,
.back-nav-bar + * .section,
.back-nav-bar ~ .section {
  padding-top: 2.25rem;
}

.back-nav-bar + .reader-container,
.back-nav-bar + div .reader-container {
  padding-top: 1.75rem;
}

.back-nav-bar + .wotd-container,
.back-nav-bar + div .wotd-container {
  padding-top: 1.75rem;
}

@media (max-width: 768px) {
  .back-nav-bar {
    padding: 0.5rem 0;
  }
  .back-button {
    padding: 0.35rem 0.65rem;
    font-size: 0.825rem;
  }
}

/* ==========================================================================
   Breadcrumb Navigation (Phase 3.5 SEO & Wayfinding)
   ========================================================================== */
.breadcrumbs-nav {
  padding: 0.5rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumbs-link {
  color: var(--color-indigo, #2D3748);
  text-decoration: none;
  transition: color var(--transition-fast, 0.15s ease);
}

.breadcrumbs-link:hover {
  color: var(--color-terracotta, #C05621);
  text-decoration: underline;
}

.breadcrumbs-sep {
  color: var(--text-muted);
  user-select: none;
  font-size: 0.8rem;
}

.breadcrumbs-current {
  color: var(--text-secondary, #4A5568);
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   Global Maithili Input & Transliteration Controls
   ========================================================================== */

.maithili-input-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full, 9999px);
  border: 1px solid var(--border-subtle, #E2E8F0);
  background-color: var(--bg-surface, #FFFFFF);
  color: var(--text-secondary, #4A5568);
  cursor: pointer;
  margin-top: 0.35rem;
  transition: all var(--transition-fast, 150ms ease);
  user-select: none;
  width: fit-content;
}

.maithili-input-badge.is-inside {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  margin-top: 0;
  z-index: 3;
}

.maithili-input-badge:hover {
  border-color: var(--color-terracotta, #C05621);
  color: var(--color-terracotta, #C05621);
  background-color: var(--color-terracotta-light, rgba(192, 86, 33, 0.08));
}

.maithili-input-badge.is-active {
  background-color: rgba(192, 86, 33, 0.1);
  border-color: var(--color-terracotta, #C05621);
  color: var(--color-terracotta, #C05621);
}

.maithili-input-badge:focus-visible {
  outline: 2px solid var(--color-terracotta, #C05621);
  outline-offset: 2px;
}

.maithili-input-badge .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-muted, #A0AEC0);
  display: inline-block;
}

.maithili-input-badge .badge-dot.active {
  background-color: var(--color-terracotta, #C05621);
  box-shadow: 0 0 0 2px rgba(192, 86, 33, 0.2);
}

.maithili-input-badge .badge-key {
  font-size: 0.65rem;
  padding: 0.1rem 0.3rem;
  border-radius: var(--radius-sm, 4px);
  background: var(--bg-secondary, #EDF2F7);
  color: var(--text-muted, #718096);
  font-family: var(--font-mono, monospace);
  font-weight: 500;
}

.maithili-input-badge .badge-picker-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.35rem;
  padding-left: 0.45rem;
  border-left: 1px solid var(--border-subtle, #E2E8F0);
  color: var(--color-terracotta, #C05621);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}

.maithili-input-badge .badge-picker-trigger:hover {
  text-decoration: underline;
}

/* --- Interactive Suggestion Bar --- */
.maithili-suggestion-bar {
  position: absolute;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.45rem;
  background-color: var(--bg-surface, #FFFFFF);
  border: 1px solid var(--border-subtle, #E2E8F0);
  border-radius: var(--radius-lg, 8px);
  box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1));
  animation: maithiliFadeIn 120ms ease;
  max-width: 95vw;
  overflow-x: auto;
  white-space: nowrap;
}

@keyframes maithiliFadeIn {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

.maithili-suggestion-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full, 9999px);
  border: 1px solid transparent;
  background-color: var(--bg-surface-subtle, #F8FAFC);
  color: var(--text-primary, #1A202C);
  cursor: pointer;
  transition: all var(--transition-fast, 120ms ease);
  user-select: none;
}

.maithili-suggestion-chip:hover {
  background-color: var(--color-terracotta-light, rgba(192, 86, 33, 0.12));
  color: var(--color-terracotta, #C05621);
  border-color: var(--color-terracotta, #C05621);
}

.maithili-suggestion-chip.is-active {
  background-color: var(--color-terracotta, #C05621);
  color: #FFFFFF;
  border-color: var(--color-terracotta, #C05621);
}

.maithili-suggestion-chip .chip-num {
  font-size: 0.65rem;
  opacity: 0.7;
  font-family: var(--font-mono, monospace);
}

/* --- Contextual Character Picker Modal & Dialog (Top Layer Support) --- */
dialog.maithili-char-picker,
.maithili-char-picker {
  position: fixed;
  inset: 0;
  margin: auto;
  z-index: 99999;
  background: var(--bg-surface, #FFFFFF);
  border: 1px solid var(--border-subtle, #E2E8F0);
  border-radius: var(--radius-xl, 14px);
  box-shadow: var(--shadow-2xl, 0 25px 50px -12px rgba(0,0,0,0.25));
  width: 680px;
  max-width: calc(100vw - 2rem);
  box-sizing: border-box;
  overflow: hidden;
  padding: 0;
  color: var(--text-primary);
  animation: maithiliFadeIn 150ms ease;
}

dialog.maithili-char-picker::backdrop,
.maithili-char-picker-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  animation: maithiliFadeIn 150ms ease;
}

@media (max-width: 640px) {
  dialog.maithili-char-picker,
  .maithili-char-picker {
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    margin: 0 !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    border-radius: var(--radius-xl, 14px) var(--radius-xl, 14px) 0 0 !important;
    max-height: 85vh;
  }
}

.maithili-char-picker .picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.25rem;
  background: var(--bg-surface-subtle, #F8FAFC);
  border-bottom: 1px solid var(--border-subtle, #E2E8F0);
}

.maithili-char-picker .picker-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary, #1A202C);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.maithili-char-picker .picker-close-btn {
  background: none;
  border: none;
  font-size: 1.45rem;
  color: var(--text-secondary, #4A5568);
  cursor: pointer;
  padding: 0 0.4rem;
  line-height: 1;
}

/* Contextual Mātrā Ribbon */
.maithili-char-picker .contextual-ribbon {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.15rem;
  background: rgba(192, 86, 33, 0.05);
  border-bottom: 1px solid var(--border-subtle, #E2E8F0);
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
  flex-wrap: wrap;
}

.maithili-char-picker .ribbon-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-terracotta, #C05621);
  margin-right: 0.25rem;
  white-space: nowrap;
}

.maithili-char-picker .ribbon-chips-container {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.maithili-char-picker .ribbon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 0.3rem;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: var(--radius-md, 6px);
  border: 1px solid var(--border-subtle, #E2E8F0);
  background: var(--bg-surface, #FFFFFF);
  color: var(--text-primary, #1A202C);
  cursor: pointer;
  transition: all var(--transition-fast, 120ms ease);
  flex-shrink: 0;
  user-select: none;
  box-sizing: border-box;
}

.maithili-char-picker .ribbon-chip:hover {
  background: var(--color-terracotta, #C05621);
  color: #FFFFFF;
  border-color: var(--color-terracotta, #C05621);
}

/* Tabs */
.maithili-char-picker .picker-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle, #E2E8F0);
  background: var(--bg-surface, #FFFFFF);
}

.maithili-char-picker .picker-tab-btn {
  flex: 1;
  padding: 0.7rem 0.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--text-secondary, #4A5568);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast, 120ms ease);
}

.maithili-char-picker .picker-tab-btn:hover {
  color: var(--color-terracotta, #C05621);
}

.maithili-char-picker .picker-tab-btn.active {
  color: var(--color-terracotta, #C05621);
  border-bottom-color: var(--color-terracotta, #C05621);
  font-weight: 700;
  background: rgba(192, 86, 33, 0.04);
}

/* Character Grid */
.maithili-char-picker .picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 0.5rem;
  padding: 0.85rem 1.15rem;
  max-height: 330px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  box-sizing: border-box;
}

.maithili-char-picker .char-btn {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 600;
  border-radius: var(--radius-md, 6px);
  border: 1px solid var(--border-subtle, #E2E8F0);
  background: var(--bg-surface, #FFFFFF);
  color: var(--text-primary, #1A202C);
  cursor: pointer;
  transition: all var(--transition-fast, 120ms ease);
  user-select: none;
  box-sizing: border-box;
}

.maithili-char-picker .char-btn:hover,
.maithili-char-picker .char-btn:focus-visible {
  background: var(--color-terracotta, #C05621);
  color: #FFFFFF;
  border-color: var(--color-terracotta, #C05621);
  outline: none;
}

.maithili-char-picker .char-btn.is-active-consonant {
  background: var(--color-terracotta-light, rgba(192, 86, 33, 0.12));
  border-color: var(--color-terracotta, #C05621);
  color: var(--color-terracotta, #C05621);
}