/* ========================================
   HuggingFace Model Monitor — Design System
   ======================================== */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Variables --- */
:root {
  /* Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-border: rgba(0, 0, 0, 0.05);
  --bg-input: rgba(255, 255, 255, 0.8);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #6366f1;

  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-teal: #14b8a6;
  --accent-pink: #ec4899;
  --accent-orange: #f97316;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-yellow: #eab308;

  --gradient-main: linear-gradient(135deg, #8b5cf6, #06b6d4, #14b8a6);
  --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(6, 182, 212, 0.03));
  --gradient-hot: linear-gradient(135deg, #ec4899, #f97316);
  --gradient-new: linear-gradient(135deg, #22c55e, #06b6d4);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(139, 92, 246, 0.3);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.15);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated background mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 600px 400px at 20% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 80% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(20, 184, 166, 0.02) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: meshFloat 20s ease-in-out infinite alternate;
}

@keyframes meshFloat {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.05) translate(-20px, 10px); }
  100% { transform: scale(1) translate(10px, -10px); }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(139, 92, 246, 0.5);
}

/* --- Layout --- */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
  padding-top: 60px; /* space for dimension switcher */
}

/* --- Dimension Switcher (Top Bar) --- */
.dimension-switcher {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 42px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.dim-btn {
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.25s ease;
}

.dim-btn:hover { color: var(--text-primary); }
.dim-btn.hf-dim.active { color: #d97706; border-bottom-color: #d97706; }
.dim-btn.git-dim.active { color: var(--accent-orange); border-bottom-color: var(--accent-orange); }

/* --- Header --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-main);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-glow);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.2); }
  50% { box-shadow: 0 0 35px rgba(139, 92, 246, 0.4); }
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.notification-btn {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.notification-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--gradient-hot);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  box-shadow: 0 2px 8px rgba(244, 114, 182, 0.4);
  animation: badgePulse 2s ease-in-out infinite;
}

.notification-badge.hidden {
  display: none;
}

@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.refresh-btn {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  height: 44px;
  padding: 0 var(--space-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 500;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.refresh-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.refresh-btn.spinning .refresh-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.last-updated {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
}

/* --- Navigation Tabs --- */
.nav-tabs {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-xs);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  overflow-x: auto;
}

/* --- Hub Master Toggle --- */
.hub-toggle-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.hub-toggle {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  padding: 4px;
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
}

.toggle-btn {
  padding: 8px 24px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.toggle-btn.active {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.toggle-btn[data-domain="models"].active { color: var(--accent-purple); border: 1px solid rgba(139, 92, 246, 0.3); }
.toggle-btn[data-domain="datasets"].active { color: var(--accent-green); border: 1px solid rgba(34, 197, 94, 0.3); }
.toggle-btn[data-domain="spaces"].active { color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.3); }

.nav-tab {
  flex: 1;
  min-width: fit-content;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  white-space: nowrap;
  position: relative;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.03);
}

.nav-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-accent);
}

.nav-tab .tab-badge {
  background: var(--accent-green);
  color: var(--bg-primary);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  animation: badgePulse 2s ease-in-out infinite;
}

/* --- Section Panels --- */
.section-panel {
  display: none;
  animation: fadeSlideIn 0.4s ease;
}

.section-panel.active {
  display: block;
}

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

/* --- Section Header --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* --- Search & Filters --- */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  transition: all var(--transition-normal);
  flex: 1;
  max-width: 420px;
}

.search-bar:focus-within {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

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

.search-icon {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.modern-select {
  padding: 10px 36px 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-normal);
  appearance: none;
  min-width: 180px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b5cf6'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.modern-select:hover {
  border-color: rgba(167, 139, 250, 0.4);
}

.modern-select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.15);
}

.modern-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167, 139, 250, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(167, 139, 250, 0.15);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.glass-card:hover::before {
  opacity: 1;
}

/* --- Model Cards Grid --- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.model-card {
  cursor: default;
}

.model-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.model-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.model-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

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

.model-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.model-name a {
  color: inherit;
  text-decoration: none;
}

.model-name a:hover {
  color: var(--accent-purple);
}

.model-author {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.model-task-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(167, 139, 250, 0.2);
  margin-top: var(--space-sm);
  white-space: nowrap;
}

.model-description {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: var(--space-sm) 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.model-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.stat-item .stat-icon {
  font-size: 0.85rem;
}

.stat-item .stat-value {
  font-weight: 600;
  color: var(--text-primary);
}

.model-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.bookmark-btn {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-normal);
}

.bookmark-btn:hover,
.bookmark-btn.bookmarked {
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
  background: rgba(251, 191, 36, 0.1);
}

.open-link {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: inherit;
  font-weight: 500;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.open-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.08);
}

/* --- Tags for "new" and "trending" --- */
.tag-new {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(74, 222, 128, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(74, 222, 128, 0.25);
  animation: newPulse 2s ease-in-out infinite;
}

@keyframes newPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.2); }
  50% { box-shadow: 0 0 12px 2px rgba(74, 222, 128, 0.15); }
}

.tag-hot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(244, 114, 182, 0.12);
  color: var(--accent-pink);
  border: 1px solid rgba(244, 114, 182, 0.25);
}

.tag-domain-model { background: rgba(167, 139, 250, 0.12); color: var(--accent-purple); border: 1px solid rgba(167, 139, 250, 0.3); }
.tag-domain-dataset { background: rgba(74, 222, 128, 0.12); color: var(--accent-green); border: 1px solid rgba(74, 222, 128, 0.3); }
.tag-domain-space { background: rgba(96, 165, 250, 0.12); color: var(--accent-blue); border: 1px solid rgba(96, 165, 250, 0.3); }

.tag-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--gradient-main);
  color: var(--bg-primary);
}

/* --- Stats Dashboard --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Bar Chart --- */
.chart-container {
  margin-top: var(--space-lg);
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.bar-label {
  min-width: 200px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-track {
  flex: 1;
  height: 28px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  background: var(--gradient-main);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding-left: var(--space-sm);
  position: relative;
  min-width: fit-content;
}

.bar-value {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--bg-primary);
  white-space: nowrap;
  padding: 0 var(--space-sm);
}

/* Task distribution */
.task-distribution {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.task-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.task-chip:hover {
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.task-chip-name {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.task-chip-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-purple);
}

/* --- Table View --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--bg-glass-border);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
}

.model-table {
  width: 100%;
  border-collapse: collapse;
}

.model-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.model-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  background: rgba(20, 20, 32, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--transition-fast);
  user-select: none;
}

.model-table th:hover {
  color: var(--accent-purple);
}

.model-table th.sorted {
  color: var(--accent-purple);
}

.model-table th .sort-arrow {
  margin-left: 4px;
  opacity: 0.4;
}

.model-table th.sorted .sort-arrow {
  opacity: 1;
}

.model-table td {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  white-space: nowrap;
}

.model-table tbody tr {
  transition: background var(--transition-fast);
}

.model-table tbody tr:hover {
  background: rgba(167, 139, 250, 0.04);
}

.table-model-name {
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.table-model-name:hover {
  color: var(--accent-purple);
}

/* --- Skeleton Loading --- */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.04) 25%,
    rgba(0, 0, 0, 0.08) 50%,
    rgba(0, 0, 0, 0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 220px;
  border-radius: var(--radius-lg);
}

.skeleton-line {
  height: 14px;
  margin-bottom: var(--space-sm);
}

.skeleton-line.short {
  width: 60%;
}

.skeleton-line.medium {
  width: 80%;
}

/* --- Load More Button --- */
.load-more-container {
  text-align: center;
  margin-top: var(--space-xl);
}

.load-more-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  color: var(--accent-purple);
  padding: var(--space-sm) var(--space-2xl);
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.load-more-btn:hover {
  background: rgba(167, 139, 250, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(167, 139, 250, 0.2);
}

.load-more-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-text {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.empty-state-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Toast Notification --- */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 300px;
  max-width: 420px;
  animation: toastIn 0.4s ease;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.toast.leaving {
  animation: toastOut 0.3s ease forwards;
}

.toast-icon {
  font-size: 1.2rem;
}

.toast-success {
  border-left: 3px solid var(--accent-green);
}

.toast-info {
  border-left: 3px solid var(--accent-cyan);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100px);
  }
}

/* --- New Models Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
  animation: fadeSlideIn 0.4s ease backwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.05s; }
.timeline-item:nth-child(2) { animation-delay: 0.1s; }
.timeline-item:nth-child(3) { animation-delay: 0.15s; }
.timeline-item:nth-child(4) { animation-delay: 0.2s; }
.timeline-item:nth-child(5) { animation-delay: 0.25s; }

.timeline-dot {
  position: absolute;
  left: -25px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-purple);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.4);
}

.timeline-dot.new {
  background: var(--accent-green);
  box-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
}

.timeline-date {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Bookmarks --- */
.bookmarks-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.bookmark-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.bookmark-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.remove-bookmark {
  margin-left: auto;
  background: none;
  border: 1px solid rgba(248, 113, 113, 0.2);
  color: var(--accent-red);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
}

.remove-bookmark:hover {
  background: rgba(248, 113, 113, 0.1);
}

/* --- Two Column Layout for Stats --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

/* --- Footer --- */
.app-footer {
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-lg);
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-3xl);
}

.app-footer a {
  color: var(--accent-purple);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: var(--space-md);
  }

  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .models-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .search-bar {
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .bar-label {
    min-width: 120px;
    font-size: 0.72rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }

  .filter-group {
    width: 100%;
  }
  
  .modern-select {
    width: 100%;
  }

  .section-title {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .model-stats {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .logo-text h1 {
    font-size: 1.2rem;
  }
}