/* ========================================= */
/* GLOSSARY CSS                              */
/* ========================================= */

.glossary-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  min-height: calc(100vh - 200px);
}

.header-title-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.header-tagline {
  font-size: .95rem;
  color: #ffffffe6;
  font-weight: 400;
  font-style: italic;
  margin: 0;
  line-height: 1.4;
}

.disclaimer-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-6);
}

.disclaimer-banner svg {
  flex-shrink: 0;
  color: var(--primary-color);
  margin-top: 2px;
}

.disclaimer-banner p {
  margin: 0;
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.disclaimer-banner strong {
  color: var(--text-primary);
}

.disclaimer-banner a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* Layout */
.glossary-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.sidebar {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: var(--space-5);
  position: sticky;
  top: var(--space-4);
  box-shadow: var(--shadow-md);
}

.sidebar-section {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.sidebar-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-title {
  font-family: var(--font-family-sans);
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

/* Search Box */
.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px #08547d1a;
}

.search-box svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: .9rem;
  color: var(--text-primary);
  outline: none;
}

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

/* Alphabet Filter */
.alphabet-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.letter-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.letter-btn:hover {
  background: var(--hover-bg);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.letter-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.letter-btn[data-letter=all] {
  width: auto;
  padding: 0 var(--space-3);
}

.letter-btn.disabled {
  opacity: .4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Category List */
.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: .9rem;
  color: var(--text-secondary);
}

.category-list li:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.category-list li.active {
  background: #08547d1a;
  color: var(--primary-color);
  font-weight: 500;
}

.category-count {
  font-size: .75rem;
  background: var(--gray-200);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.category-list li.active .category-count {
  background: var(--primary-color);
  color: #fff;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.stat-item {
  text-align: center;
  padding: var(--space-3);
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.stat-value {
  font-family: var(--font-family-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: .75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* Glossary List */
.glossary-list {
  margin: 0;
  padding: 0;
}

.glossary-letter-group {
  margin-bottom: var(--space-6);
}

.glossary-letter {
  font-family: var(--font-family-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: 2px solid var(--primary-color);
}

.glossary-entry {
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
}

.glossary-term {
  font-family: var(--font-family-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.glossary-definition {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  padding-left: 0;
}

/* Loading & Empty States */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.empty-state {
  text-align: center;
  padding: var(--space-16);
  color: var(--text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  opacity: .5;
}

.empty-state h3 {
  font-family: var(--font-family-serif);
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: .9rem;
  margin: 0;
}

/* Skeletons */
.skeleton-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: var(--space-6);
}

.skeleton-term {
  width: 60%;
  height: 28px;
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.skeleton-etymology {
  width: 40%;
  height: 28px;
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.skeleton-text {
  width: 100%;
  height: 16px;
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
  width: 70%;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }

  to {
    background-position: 200% 0;
  }
}

/* Mobile */
.mobile-controls-wrapper,
.mobile-sidebar-toggle,
.sidebar-mobile-header {
  display: none;
}

/* Dark Mode Overrides */
.darkmode .disclaimer-banner {
  background: var(--bg-card);
  border-color: var(--border);
}

.darkmode .category-count {
  background: var(--gray-700);
}

.darkmode .skeleton-term,
.darkmode .skeleton-etymology,
.darkmode .skeleton-text {
  background: linear-gradient(90deg, var(--gray-700) 25%, var(--gray-600) 50%, var(--gray-700) 75%);
  background-size: 200% 100%;
}

/* Responsive & Print */
@media print {

  .sidebar,
  .disclaimer-banner,
  .mobile-controls-wrapper {
    display: none !important;
  }

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

  .definition-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

@media(max-width: 1024px) {
  .glossary-layout {
    grid-template-columns: 240px 1fr;
  }
}

@media(max-width: 768px) {
  .glossary-container {
    padding: var(--space-4) var(--space-3);
  }

  .disclaimer-banner {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px #08547d14;
  }

  .disclaimer-banner p {
    font-size: .9375rem;
    line-height: 1.7;
  }

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

  .mobile-controls-wrapper {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
  }

  .mobile-search-container {
    flex: 1;
  }

  .mobile-search-container .search-box {
    margin-bottom: 0;
  }

  .mobile-sidebar-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: .9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
    font-weight: 500;
    box-shadow: 0 2px 8px #08547d14;
  }

  .mobile-sidebar-toggle svg {
    width: 18px;
    height: 18px;
  }

  .mobile-sidebar-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
  }

  .mobile-sidebar-toggle:active {
    transform: scale(.98);
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    z-index: 1000;
    border-radius: 0;
    border: none;
    transform: translate(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    padding: var(--space-6);
    box-shadow: 8px 0 32px #0003;
    padding-top: 0 !important;
    padding-bottom: var(--space-20);
  }

  .sidebar.open {
    transform: translate(0);
  }

  .sidebar-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-5);
    margin-bottom: var(--space-5);
    border-bottom: 1px solid var(--border);
  }

  .sidebar-mobile-title {
    font-family: var(--font-family-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    position: static;
    background: transparent;
    opacity: 1;
    visibility: visible;
  }

  .mobile-sidebar-close {
    width: 44px;
    height: 44px;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff26 !important;
    border: none !important;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary) !important;
    flex-shrink: 0;
    opacity: 1 !important;
  }

  .mobile-sidebar-close svg {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    color: currentColor;
    fill: none;
    stroke: currentColor;
    stroke-width: 2px;
  }

  .mobile-sidebar-close:active {
    transform: scale(.95);
  }

  .mobile-sidebar-overlay {
    position: fixed;
    inset: 0;
    background: #0009;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

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

  .sidebar>.search-box {
    display: none;
  }

  .definition-card {
    padding: var(--space-4);
  }

  .definition-term {
    font-size: 1.25rem;
  }

  .alphabet-filter {
    gap: 4px;
  }

  .letter-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    font-size: .875rem;
    border-radius: var(--radius-md);
  }

  .letter-btn:active {
    transform: scale(.95);
  }

  .letter-btn[data-letter=all] {
    min-width: auto;
    padding: 0 var(--space-4);
  }

  .search-box {
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px #08547d14;
  }

  .search-box input {
    font-size: 1rem;
  }

  .stats-grid {
    gap: var(--space-4);
  }

  .stat-item {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .stat-value {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: .8125rem;
  }

  .glossary-letter {
    font-size: 1.75rem;
    margin-bottom: var(--space-5);
  }

  .glossary-term {
    font-size: 1.1875rem;
    margin-bottom: var(--space-2);
  }

  .glossary-definition {
    font-size: 1rem;
    line-height: 1.75;
  }

  .category-list li {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    font-size: .9375rem;
    border-radius: var(--radius-md);
  }

  .category-list li:active {
    transform: scale(.98);
  }
}

@media(hover: hover) {
  .mobile-sidebar-close:hover {
    background: #fff3 !important;
    transform: scale(1.05);
  }
}

@media(max-width: 375px) {
  .sidebar {
    width: 280px;
  }

  .letter-btn {
    min-width: 32px;
    min-height: 32px;
    width: 32px;
    height: 32px;
    font-size: .8125rem;
  }

  .glossary-term {
    font-size: 1.0625rem;
  }
}