@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@300;400;500;700;900&display=swap');

:root {
  /* Light Theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --accent-color: #00A0E9;
  --accent-gradient: linear-gradient(135deg, #00A0E9, #0077b6);
  --sidebar-width: 280px;
  --header-height: 70px;
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --modal-backdrop: rgba(15, 23, 42, 0.3);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(226, 232, 240, 0.8);
  
  /* Chapter Colors */
  --color-chap-A: #00A0E9; /* Blue */
  --color-chap-B: #E4007F; /* Pink */
  --color-chap-C: #83B81A; /* Green */
  --color-chap-D: #592D8E; /* Purple */
  --color-chap-E: #F39800; /* Orange */
  --color-chap-F: #8F6D3B; /* Brown */
  --color-chap-G: #008781; /* Teal */
  --color-chap-H: #005CAF; /* Steel Blue */
  --color-chap-I: #E6D000; /* Gold */
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
  --accent-color: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #38bdf8, #0ea5e9);
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.2), 0 2px 4px -2px rgb(0 0 0 / 0.2);
  --modal-backdrop: rgba(0, 0, 0, 0.6);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(51, 65, 85, 0.8);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

body {
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Glassmorphism utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border-color);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 1.4rem;
  font-family: 'Outfit', sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-left: 2px solid var(--border-color);
  padding-left: 8px;
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Sidebar */
.app-sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  border-right: 1px solid rgba(0, 160, 233, 0.15);
  padding: 1.5rem 0.75rem;
  overflow-y: auto;
  z-index: 90;
  /* 科技幽藍玻璃 (Glassmorphism) */
  background: var(--bg-sidebar-glass, rgba(255, 255, 255, 0.75));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.02);
  transition: background 0.3s ease;
}

[data-theme="dark"] .app-sidebar {
  --bg-sidebar-glass: rgba(15, 23, 42, 0.75);
  border-right: 1px solid rgba(0, 160, 233, 0.25);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
}

.sidebar-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding-left: 0.5rem;
}

.app-sidebar .sidebar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--accent-color);
  line-height: 1.2;
}

/* Document Tree Menu */
.doc-tree {
  list-style: none;
}

.doc-chapter-item {
  margin-bottom: 6px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 14px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  font-size: 0.88rem;
  text-decoration: none;
  /* 平滑滑動與縮放 transition */
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  /* 滑鼠懸停向右微滑 5px */
  transform: translateX(5px);
}

.sidebar-item.active {
  /* 科技藍半透明漸層 */
  background: linear-gradient(135deg, rgba(0, 160, 233, 0.12), rgba(0, 160, 233, 0.02));
  color: var(--accent-color);
  font-weight: 700;
  border-left: 4px solid var(--accent-color);
  border-radius: 0 8px 8px 0; /* 左邊直立指示條，右邊圓角 */
  box-shadow: inset 2px 0 8px rgba(0, 160, 233, 0.04);
}

.chapter-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: white;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
  /* 微光過渡動畫 */
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dynamic badges per chapter */
.badge-A { background-color: var(--color-chap-A); }
.badge-B { background-color: var(--color-chap-B); }
.badge-C { background-color: var(--color-chap-C); }
.badge-D { background-color: var(--color-chap-D); }
.badge-E { background-color: var(--color-chap-E); }
.badge-F { background-color: var(--color-chap-F); }
.badge-G { background-color: var(--color-chap-G); }
.badge-H { background-color: var(--color-chap-H); }
.badge-I { background-color: var(--color-chap-I); color: #1e293b; }

/* Chapter Badge Hover Transitions & Glows */
.chapter-badge, .quick-icon {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-item:hover .badge-A, .quick-card:hover .badge-A {
  background-color: #00b4d8;
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.6);
}
.sidebar-item:hover .badge-B, .quick-card:hover .badge-B {
  background-color: #ff007f;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.6);
}
.sidebar-item:hover .badge-C, .quick-card:hover .badge-C {
  background-color: #9fe21f;
  box-shadow: 0 0 10px rgba(159, 226, 31, 0.6);
}
.sidebar-item:hover .badge-I, .quick-card:hover .badge-I {
  background-color: #ffea00;
  box-shadow: 0 0 10px rgba(255, 234, 0, 0.6);
}

/* Hover Micro-animations for Icons */
.sidebar-item:hover .chapter-badge .lucide-wrench,
.quick-card:hover .quick-icon .lucide-wrench {
  animation: wiggle 0.6s ease-in-out infinite;
}
.sidebar-item:hover .chapter-badge .lucide-sliders,
.quick-card:hover .quick-icon .lucide-sliders {
  animation: slideUpDown 0.6s ease-in-out infinite;
}
.sidebar-item:hover .chapter-badge .lucide-zap,
.quick-card:hover .quick-icon .lucide-zap {
  animation: pulseGlow 0.6s ease-in-out infinite;
}
.sidebar-item:hover .chapter-badge .lucide-cpu,
.quick-card:hover .quick-icon .lucide-cpu {
  animation: cpuSpin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Keyframe animations */
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-15deg); }
  75% { transform: rotate(15deg); }
}

@keyframes slideUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); filter: drop-shadow(0 0 2px #ffffff); }
}

@keyframes cpuSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(90deg); }
}

/* Main Content Area */
.app-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  flex-grow: 1;
  padding: 2.5rem 3rem;
  display: flex;
  gap: 2.5rem;
  max-width: 1700px;
}

.content-section {
  flex-grow: 1;
  max-width: 1350px;
}

/* Table of Contents (TOC) Right Sidebar */
.toc-section {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height) + 2.5rem);
  height: fit-content;
  display: none; /* Show only when a doc is loaded and screen is wide */
}

@media (min-width: 1200px) {
  .toc-section {
    display: block;
  }
}

.toc-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.toc-list {
  list-style: none;
  border-left: 1px solid var(--border-color);
  padding-left: 10px;
}

.toc-item {
  margin-bottom: 8px;
}

.toc-link {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s ease;
}

.toc-link:hover {
  color: var(--accent-color);
}

.toc-link.active {
  color: var(--accent-color);
  font-weight: 600;
}

/* Markdown Rendering Custom Styles */
.markdown-body {
  font-size: 1rem;
  color: var(--text-secondary);
}

.markdown-body h1 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 15px;
}

.markdown-body h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.markdown-body h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.markdown-body p {
  margin-bottom: 1.2rem;
}

.markdown-body ul, .markdown-body ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.markdown-body li {
  margin-bottom: 6px;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.markdown-body th, .markdown-body td {
  border: 1px solid var(--border-color);
  padding: 12px 15px;
  text-align: left;
}

.markdown-body th {
  background-color: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

.markdown-body tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.01);
}

[data-theme="dark"] .markdown-body tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Callout Alerts (GitHub Style) */
.markdown-body blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--border-color);
  background-color: var(--bg-tertiary);
  border-radius: 0 8px 8px 0;
}

.markdown-body blockquote p {
  margin-bottom: 0;
}

/* Custom Callouts matching v3 plan */
.markdown-body blockquote.important {
  border-left-color: #ea580c;
  background-color: rgba(234, 88, 12, 0.05);
  color: var(--text-primary);
}

.markdown-body blockquote.warning {
  border-left-color: #dc2626;
  background-color: rgba(220, 38, 38, 0.05);
}

.markdown-body blockquote.tip {
  border-left-color: #16a34a;
  background-color: rgba(22, 163, 74, 0.05);
}

/* Buttons, Search triggers, etc. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.btn:hover {
  background-color: var(--bg-tertiary);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  border: none;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* Search Box Modal styling */
.search-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  width: 480px;
  text-align: left;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-btn i {
  transition: transform 0.2s ease, color 0.2s ease;
}

.search-shortcut {
  font-size: 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

/* 搜尋按鈕懸停與點擊微動畫 */
.search-btn:hover {
  background-color: var(--bg-secondary);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 160, 233, 0.15);
  color: var(--text-primary);
}

.search-btn:hover i {
  color: var(--accent-color);
  transform: scale(1.1) rotate(15deg);
}

.search-btn:hover .search-shortcut {
  border-color: rgba(0, 160, 233, 0.4);
  color: var(--accent-color);
  background-color: rgba(0, 160, 233, 0.05);
}

.search-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 5px rgba(0, 160, 233, 0.1);
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--modal-backdrop);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 100%;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 15px;
}

.search-input {
  border: none;
  background: transparent;
  flex-grow: 1;
  font-size: 1.1rem;
  color: var(--text-primary);
  outline: none;
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 10px;
}

.search-item {
  display: flex;
  flex-direction: column;
  padding: 12px 15px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 5px;
  transition: background-color 0.2s ease;
}

.search-item:hover, .search-item.selected {
  background-color: var(--bg-tertiary);
}

.search-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.search-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.search-item-chapter {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  color: white;
}

.search-item-snippet {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.search-item-models {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.model-badge {
  font-size: 0.7rem;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.search-empty {
  padding: 30px;
  text-align: center;
  color: var(--text-muted);
}

/* Forms (Login/Register/Admin Panel) */
.form-card {
  width: 100%;
  max-width: 450px;
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

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

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-color);
}

/* User Account Info Chip in Header */
.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.user-badge {
  background-color: var(--bg-tertiary);
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
}

/* Admin Dashboard Table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

.admin-table th, .admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.admin-table th {
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
}

/* User Status labels */
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pending {
  background-color: rgba(243, 152, 0, 0.1);
  color: #ea580c;
}

.status-approved {
  background-color: rgba(131, 184, 26, 0.1);
  color: #16a34a;
}

.status-rejected {
  background-color: rgba(220, 38, 38, 0.1);
  color: #dc2626;
}

/* Offline/Demo mode notice banner */
.offline-banner {
  background-color: #ea580c;
  color: white;
  padding: 8px 16px;
  font-size: 0.85rem;
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  font-weight: 500;
  display: none;
}

/* Admin configuration sections */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .admin-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.admin-card {
  border-radius: 12px;
  padding: 1.8rem;
  margin-bottom: 1.5rem;
}

/* Dark mode theme toggle button style */
.theme-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
}

/* Welcome Dashboard state */
.dashboard-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
}

.welcome-logo {
  font-size: 4rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.welcome-title {
  font-size: 2.2rem;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.welcome-subtitle {
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.quick-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
  max-width: 800px;
}

@media (min-width: 600px) {
  .quick-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

.quick-card {
  border-radius: 12px;
  padding: 1.5rem;
  cursor: pointer;
  text-align: left;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: flex-start;
  gap: 15px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.quick-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  flex-shrink: 0;
}

.quick-info h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.quick-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

/* Interactive Fault Finder Styles */
.cat-card {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--accent-color) !important;
}

.cat-card.active-card {
  box-shadow: 0 0 16px rgba(0, 160, 233, 0.2) !important;
}

#faultCodeBtnContainer button:hover {
  border-color: var(--accent-color) !important;
  background-color: var(--bg-tertiary) !important;
  transform: scale(1.05);
}

/* Pagination Buttons Styles */
.pagination-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.pagination-btn:hover:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background-color: var(--bg-tertiary);
}
.pagination-btn.active {
  background: var(--accent-gradient);
  color: white;
  border-color: var(--accent-color);
}
.pagination-btn:disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.5;
}