/* Odyssey Web Codex Stylesheet
   Designed for speed, responsiveness, and fantasy RPG aesthetic.
   Supports Dark and Light themes via CSS variables.
*/

:root {
  /* Common Palette */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Cinzel', Georgia, 'Times New Roman', serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* Rarity Colors (Matching Discord Bot Embeds) */
  --rarity-common: #9aa0a6;
  --rarity-rare: #3498db;
  --rarity-super-rare: #a855f7;
  --rarity-epic: #f1c40f;
  --rarity-legendary: #ef4444;
  --rarity-mythical: #991b1b;
  --rarity-divine: #ff7700;
  --rarity-one-of-one: #ff7700;

  /* Stat Colors */
  --stat-vit: #e74c3c;
  --stat-str: #e67e22;
  --stat-agi: #2ecc71;
  --stat-def: #3498db;
  --stat-int: #9b59b6;
}

/* ================= DARK THEME (DEFAULT) ================= */
[data-theme="dark"] {
  --bg-body: #0d1117;
  --bg-surface: #161b22;
  --bg-surface-elevated: #1f242c;
  --bg-card: #161b22;
  --bg-card-hover: #1c222b;
  --border-subtle: #2d333b;
  --border-accent: #c8a951;
  
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --text-faint: #57606a;
  --text-accent: #e5c07b;
  --text-gold: #f1c40f;

  --badge-bg: #21262d;
  --badge-border: #30363d;
  --input-bg: #0d1117;
  --input-border: #30363d;
  --modal-overlay: rgba(5, 7, 10, 0.85);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.7);
  --accent-glow: rgba(200, 169, 81, 0.2);
}

/* ================= LIGHT THEME ================= */
[data-theme="light"] {
  --bg-body: #f6f8fa;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f0f3f6;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f5f8;
  --border-subtle: #d0d7de;
  --border-accent: #b0882e;
  
  --text-main: #1f2328;
  --text-muted: #57606a;
  --text-faint: #8c959f;
  --text-accent: #855a15;
  --text-gold: #b0882e;
  --rarity-epic: #b8860b;

  --badge-bg: #eff2f5;
  --badge-border: #d0d7de;
  --input-bg: #ffffff;
  --input-border: #d0d7de;
  --modal-overlay: rgba(20, 25, 35, 0.6);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --accent-glow: rgba(176, 136, 46, 0.15);
}

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

html {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  width: 100%;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.brand-icon {
  font-size: 1.5rem;
  color: var(--text-gold);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--text-gold), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .brand-title {
  background: linear-gradient(135deg, var(--text-gold), #2c3e50);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-left: 0.25rem;
}

/* Search Input */
.search-wrapper {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.6rem 2.5rem 0.6rem 2.4rem;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-kbd {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-sm);
  padding: 0.1rem 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.8rem;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.nav-home-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-home-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  color: var(--text-gold);
}

/* Department Navigation Bar */
.nav-bar {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-tab:hover {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}

.nav-tab.active {
  color: var(--text-gold);
  border-bottom-color: var(--text-gold);
  background-color: var(--bg-surface-elevated);
}

.nav-tab .tab-count {
  font-size: 0.75rem;
  padding: 0.1rem 0.45rem;
  background: var(--badge-bg);
  border-radius: 10px;
  border: 1px solid var(--badge-border);
}

/* Main Content Area */
.main-layout {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Filters & Controls Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.filter-select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--border-accent);
}

.filter-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  font-size: 0.85rem;
  width: 78px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.filter-input:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

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

.reset-btn {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 0.4rem 0.95rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.reset-btn .reset-icon {
  transition: transform 0.35s ease;
}

.reset-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-gold);
  border-color: var(--border-accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.reset-btn:hover .reset-icon {
  transform: rotate(-180deg);
}

.reset-btn:active {
  transform: scale(0.96);
}

.view-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Card Grids */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* Entity Card */
.entity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.entity-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.entity-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--border-subtle);
  transition: background-color var(--transition-fast);
}

.entity-card.rarity-common::before { background-color: var(--rarity-common); }
.entity-card.rarity-rare::before { background-color: var(--rarity-rare); }
.entity-card.rarity-super-rare::before { background-color: var(--rarity-super-rare); }
.entity-card.rarity-epic::before { background-color: var(--rarity-epic); }
.entity-card.rarity-legendary::before { background-color: var(--rarity-legendary); }
.entity-card.rarity-mythical::before { background-color: var(--rarity-mythical); }
.entity-card.rarity-divine::before, .entity-card.rarity-1-of-1::before { background-color: var(--rarity-divine); }

.entity-card.rarity-common:hover { border-color: var(--rarity-common); }
.entity-card.rarity-rare:hover { border-color: var(--rarity-rare); box-shadow: 0 4px 14px rgba(52, 152, 219, 0.2); }
.entity-card.rarity-super-rare:hover { border-color: var(--rarity-super-rare); box-shadow: 0 4px 16px rgba(168, 85, 247, 0.25); }
.entity-card.rarity-epic:hover { border-color: var(--rarity-epic); box-shadow: 0 4px 16px rgba(241, 196, 15, 0.25); }
.entity-card.rarity-legendary:hover { border-color: var(--rarity-legendary); box-shadow: 0 4px 18px rgba(239, 68, 68, 0.3); }
.entity-card.rarity-mythical:hover { border-color: var(--rarity-mythical); box-shadow: 0 4px 18px rgba(153, 27, 27, 0.4); }
.entity-card.rarity-divine:hover, .entity-card.rarity-1-of-1:hover { border-color: var(--rarity-divine); box-shadow: 0 4px 18px rgba(255, 119, 0, 0.35); }

/* Card Header */
.card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.card-thumb {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  object-fit: contain;
  flex-shrink: 0;
  padding: 2px;
}

.card-title-group {
  flex: 1;
  min-width: 0;
}

.card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* Badges */
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Rarity Accents */
.rarity-common { color: var(--rarity-common) !important; border-color: var(--rarity-common) !important; }
.rarity-rare { color: var(--rarity-rare) !important; border-color: var(--rarity-rare) !important; }
.rarity-super-rare { color: var(--rarity-super-rare) !important; border-color: var(--rarity-super-rare) !important; }
.rarity-epic { color: var(--rarity-epic) !important; border-color: var(--rarity-epic) !important; }
.rarity-legendary { color: var(--rarity-legendary) !important; border-color: var(--rarity-legendary) !important; }
.rarity-mythical { color: var(--rarity-mythical) !important; border-color: var(--rarity-mythical) !important; }
.rarity-divine, .rarity-1-of-1 { color: var(--rarity-divine) !important; border-color: var(--rarity-divine) !important; }

/* Badges with Rarity Glow & Tints */
.badge.rarity-common { background-color: rgba(154, 160, 166, 0.12); }
.badge.rarity-rare { background-color: rgba(52, 152, 219, 0.12); }
.badge.rarity-super-rare { background-color: rgba(168, 85, 247, 0.12); }
.badge.rarity-epic { background-color: rgba(241, 196, 15, 0.12); }
.badge.rarity-legendary { background-color: rgba(239, 68, 68, 0.14); }
.badge.rarity-mythical { background-color: rgba(153, 27, 27, 0.18); }
.badge.rarity-divine, .badge.rarity-1-of-1 { background-color: rgba(255, 119, 0, 0.14); }


/* Stat Pills */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.stat-pill {
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 500;
}

.stat-pill.vit { color: var(--stat-vit); }
.stat-pill.str { color: var(--stat-str); }
.stat-pill.agi { color: var(--stat-agi); }
.stat-pill.def { color: var(--stat-def); }
.stat-pill.int { color: var(--stat-int); }

/* Card Description */
.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card Footer */
.card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-faint);
}

.source-tag {
  color: var(--text-accent);
  font-weight: 500;
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--modal-overlay);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.modal-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-hero {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.monster-hero {
  text-align: center;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.monster-header-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.modal-badges-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.modal-showcase-container {
  width: 100%;
  max-height: 380px;
  min-height: 220px;
  background: radial-gradient(circle at center, var(--bg-surface-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  position: relative;
}

.modal-showcase-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 75%);
  pointer-events: none;
}

.modal-showcase-img {
  max-width: 100%;
  max-height: 330px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.6));
  transition: transform var(--transition-normal);
  z-index: 1;
}

.modal-showcase-img:hover {
  transform: scale(1.03);
}

/* Character Showcase & Gender Toggle */
.character-showcase-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.character-showcase-wrapper .modal-showcase-container {
  margin: 0;
}

.character-gender-toggle {
  display: inline-flex;
  gap: 0.5rem;
  padding: 0.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.gender-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gender-btn:hover {
  color: var(--text-main);
  background: var(--bg-surface-elevated);
}

.gender-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--text-gold);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
}

.modal-hero-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  object-fit: contain;
  padding: 4px;
}

.modal-hero-info {
  flex: 1;
}

.modal-hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-section {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

.modal-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.sources-list, .crafts-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.source-item {
  padding: 0.45rem 0.75rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.source-item-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.source-item-left .badge {
  flex-shrink: 0;
}

.source-item-left strong {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.source-item-weight {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
  font-weight: 500;
  flex-shrink: 0;
}

.clickable-link {
  color: var(--text-accent);
  text-decoration: underline;
  cursor: pointer;
}
.clickable-link:hover {
  color: var(--text-gold);
}

/* Class Evolution Tree Styles */
.tree-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.tree-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
}

.tree-branches {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tree-tier-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tree-tier-label {
  width: 80px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.tree-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  flex: 1;
}

.tree-node-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.tree-node-btn:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

/* Pagination / Infinite Scroll notice */
.load-more-btn {
  display: block;
  width: 100%;
  max-width: 240px;
  margin: 1.5rem auto 0;
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.load-more-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-gold);
}

/* Comprehensive Mobile Responsive Styles */
@media (max-width: 768px) {
  /* Header Layout: Row 1 = Brand + Actions, Row 2 = Full Search */
  .header-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 0.5rem;
    padding: 0.75rem 1rem;
  }
  .brand {
    order: 1;
    font-size: 1.15rem;
  }
  .brand-title {
    font-size: 1.25rem;
  }
  .brand-subtitle {
    display: none;
  }
  .header-actions {
    order: 2;
    gap: 0.4rem;
  }
  .search-wrapper {
    order: 3;
    width: 100%;
    max-width: 100%;
    flex: 0 0 100%;
  }
  .search-kbd {
    display: none;
  }

  /* Department Navigation Bar */
  .nav-bar {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .nav-container {
    padding: 0 0.75rem;
    gap: 0.25rem;
  }
  .nav-tab {
    padding: 0.7rem 0.8rem;
    font-size: 0.85rem;
  }

  /* Main Layout & Grid */
  .main-layout {
    padding: 1rem 0.75rem;
    gap: 1rem;
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.85rem 1rem;
    gap: 0.85rem;
  }
  .filter-group {
    gap: 0.5rem;
  }
  .filter-select {
    max-width: 100%;
    font-size: 0.82rem;
  }
  .toolbar-actions {
    justify-content: space-between;
    width: 100%;
  }
  .items-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  /* Entity Cards */
  .entity-card {
    padding: 1rem;
  }
  .card-header {
    gap: 0.6rem;
  }
  .card-name {
    font-size: 0.95rem;
  }

  /* Modal Dialog */
  .modal-overlay {
    padding: 0.6rem;
  }
  .modal-content {
    max-height: 92vh;
    border-radius: var(--radius-md);
    -webkit-overflow-scrolling: touch;
  }
  .modal-body {
    padding: 1.25rem 0.9rem;
    gap: 1rem;
  }
  .modal-close-btn {
    top: 0.65rem;
    right: 0.65rem;
    width: 30px;
    height: 30px;
  }
  .modal-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }
  .modal-hero-title {
    font-size: 1.25rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .modal-showcase-container {
    max-height: 250px;
    min-height: 150px;
    padding: 0.75rem;
  }
  .modal-showcase-img {
    max-height: 210px;
  }

  /* Class Evolution Tree on Mobile */
  .tree-container {
    padding: 1rem;
    gap: 1rem;
  }
  .tree-tier-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
  .tree-tier-label {
    width: 100%;
  }
  .tree-nodes {
    width: 100%;
    gap: 0.5rem;
  }
  .tree-node-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }

  /* Source & Set Pieces List */
  .source-item {
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    padding: 0.45rem 0.65rem;
  }
  .source-item .clickable-link {
    font-size: 0.8rem;
    margin-left: auto;
  }
}

@media (max-width: 480px) {
  .modal-overlay {
    padding: 0.35rem;
  }
  .modal-body {
    padding: 1.1rem 0.75rem;
  }
  .modal-badges-row {
    gap: 0.35rem;
  }
  .stats-row {
    gap: 0.3rem;
  }
  .stat-pill {
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
  }
}