/* Design System Tokens */
:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette */
  --bg-primary: #0a0e17;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  
  --glass-bg: rgba(15, 23, 42, 0.45);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-border-hover: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.25);
  --accent-rose: #f43f5e;
  --accent-rose-glow: rgba(244, 63, 94, 0.25);
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.25);
  
  /* Layout */
  --header-height: 72px;
  --sidebar-width: 320px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #1e1b4b 0%, #0a0e17 70%);
  background-attachment: fixed;
}

/* Scrollbars styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Helper Class: glassmorphism */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--glass-border);
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* App Header */
.app-header {
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-svg {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.app-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.header-center {
  flex: 1;
  max-width: 480px;
  margin: 0 32px;
}

/* Search Wrapper */
.search-wrapper {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  pointer-events: none;
}

.search-wrapper input {
  width: 100%;
  padding: 12px 42px 12px 44px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.search-wrapper input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 16px var(--primary-glow);
}

.clear-search-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  display: none;
  transition: var(--transition-fast);
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  gap: 8px;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.7);
  border-color: var(--glass-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.3);
  color: var(--accent-rose);
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.3);
  transform: translateY(-1px);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--border-radius-md);
}

.btn-icon-text span {
  display: inline;
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
}

.btn-full {
  width: 100%;
}

.btn:active {
  transform: translateY(1px);
}

.icon-svg-inline {
  width: 18px;
  height: 18px;
}

/* Layout Workspace */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Sidebar Drawer style */
.filters-sidebar {
  width: var(--sidebar-width);
  background: rgba(10, 14, 23, 0.5);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition-normal);
  z-index: 90;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 10px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-header h2 {
  font-size: 1.3rem;
  font-weight: 600;
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 14, 23, 0.8);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Filter Sections */
.filter-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

/* Segmented Buttons */
.radio-group-segmented {
  display: flex;
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--border-radius-md);
  padding: 4px;
  border: 1px solid var(--glass-border);
  width: 100%;
}

.segmented-label {
  flex: 1;
  cursor: pointer;
}

.segmented-label input {
  display: none;
}

.segmented-btn {
  display: block;
  text-align: center;
  padding: 10px 0;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 12px;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.segmented-label input:checked + .segmented-btn {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 10px var(--primary-glow);
}

/* Checkbox Custom styling */
.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  background: rgba(15, 23, 42, 0.3);
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.checkbox-container:hover {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--glass-border);
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom-checkbox {
  height: 20px;
  width: 20px;
  background-color: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  margin-right: 12px;
  flex-shrink: 0;
  position: relative;
  transition: var(--transition-fast);
}

.checkbox-container input:checked ~ .custom-checkbox {
  background-color: var(--primary);
  border-color: var(--primary);
}

.custom-checkbox::after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 3px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-container input:checked ~ .custom-checkbox::after {
  display: block;
}

.checkbox-text {
  font-weight: 400;
}

/* Sliders */
.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-badge {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(30, 41, 59, 0.8);
  outline: none;
  margin: 12px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #ffffff;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 0 10px var(--primary-glow);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  background: var(--primary-hover);
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
}

.slider-ticks span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Segmented levels */
.segmented-levels, .teachability-options {
  display: flex;
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--border-radius-md);
  padding: 4px;
  border: 1px solid var(--glass-border);
  gap: 4px;
}

.level-btn, .teach-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 0;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.level-btn.active, .teach-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.level-btn:hover:not(.active), .teach-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Dropdown select custom style */
.select-wrapper {
  position: relative;
  width: 100%;
}

.select-wrapper select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  transition: var(--transition-fast);
}

.select-wrapper select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

.select-wrapper::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}

/* Dynamic Categories Container */
.category-search-container {
  position: relative;
  width: 100%;
}

.category-search-container input {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
}

.category-search-container input:focus {
  border-color: var(--primary);
}

.categories-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 180px;
  overflow-y: auto;
  padding: 8px 4px;
  border-radius: var(--border-radius-sm);
  background: rgba(10, 14, 23, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.loading-categories {
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
  padding: 12px;
}

.category-pill {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  transition: var(--transition-fast);
  user-select: none;
}

.category-pill:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.category-pill.active {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

/* Content Area */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 32px 32px 64px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.meta-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.results-count {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.active-tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.active-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  gap: 6px;
}

.active-pill-clear {
  background: none;
  border: none;
  color: #818cf8;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
}

.active-pill-clear:hover {
  color: #ffffff;
}

.clear-all-pills-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
}

.clear-all-pills-btn:hover {
  color: var(--accent-rose);
}

/* Sync Status Indicator */
.sync-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  display: inline-block;
  box-shadow: 0 0 8px currentColor;
}

.sync-status.online {
  color: var(--accent-emerald);
}
.sync-status.online .sync-dot {
  background: var(--accent-emerald);
}

.sync-status.offline {
  color: var(--accent-amber);
}
.sync-status.offline .sync-dot {
  background: var(--accent-amber);
}

.sync-status.error {
  color: var(--accent-rose);
}
.sync-status.error .sync-dot {
  background: var(--accent-rose);
}

.sync-status.syncing {
  color: var(--accent-blue);
}
.sync-status.syncing .sync-dot {
  background: var(--accent-blue);
  animation: pulseSync 1.2s infinite ease-in-out;
}

@keyframes pulseSync {
  0% { transform: scale(0.85); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.85); opacity: 0.6; }
}

/* Loading States & Spinner */
.loading-spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 16px;
  color: var(--text-secondary);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.05);
  border-left-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Empty State */
.no-results-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 16px;
  color: var(--text-secondary);
  text-align: center;
  padding: 40px;
  border-radius: var(--border-radius-lg);
  border: 1px dashed var(--glass-border);
  background: rgba(15, 23, 42, 0.2);
}

.no-results-icon {
  font-size: 3rem;
}

.no-results-container h3 {
  color: var(--text-primary);
  font-size: 1.3rem;
}

/* Games Grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* Game Card */
.game-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.game-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 12px 30px var(--primary-glow);
}

/* Card Glow Effect for Target scroll */
.game-card.target-glow {
  animation: targetPulse 2.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes targetPulse {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); border-color: var(--primary); }
  35% { box-shadow: 0 0 30px 12px rgba(99, 102, 241, 0.6); border-color: rgba(99, 102, 241, 1); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* Card Top Badges */
.card-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.badge-played-indicator {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-played-indicator.played {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.badge-played-indicator.unplayed {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: #fda4af;
}

.card-actions-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.favorite-star-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
  line-height: 1;
}

.favorite-star-btn:hover {
  transform: scale(1.15);
}

.favorite-star-btn.active {
  color: var(--accent-amber);
  filter: drop-shadow(0 0 6px var(--accent-amber-glow));
}

.favorite-star-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.card-game-title {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-top: 4px;
}

/* Expansion Banners inside Card */
.card-expansion-banner {
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Includes expansion */
.card-expansion-banner.includes {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #fde047;
}

.card-expansion-banner.includes svg {
  color: var(--accent-amber);
  flex-shrink: 0;
}

/* Is an expansion of */
.card-expansion-banner.is-expansion {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
}

.card-expansion-banner.is-expansion svg {
  color: var(--primary);
  flex-shrink: 0;
}

.card-expansion-link {
  font-weight: 600;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
  transition: var(--transition-fast);
}

.card-expansion-link:hover {
  opacity: 0.8;
}

/* Card Main Information Rows */
.card-info-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-pill-info {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-pill-info svg {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

/* Card 3-Metric Block: Complexity, Teachability, Setup */
.card-metric-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--glass-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.card-metric {
  background: rgba(10, 14, 23, 0.3);
  padding: 12px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.metric-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.metric-icon {
  width: 12px;
  height: 12px;
  opacity: 0.8;
}

/* Color codes for metrics */
.metric-value.easy { color: var(--accent-emerald); }
.metric-value.medium { color: var(--accent-blue); }
.metric-value.difficult { color: var(--accent-rose); }

/* Card Category Pills */
.card-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-category-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Card Bottom Metadata */
.card-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-footer-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-footer-row svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.card-publisher, .card-designer {
  color: var(--text-secondary);
}

/* Card Notes Tooltip/Hover Mechanics */
.card-notes-wrapper {
  position: relative;
}

.card-notes-trigger {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-sm);
  padding: 8px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-notes-trigger:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.card-notes-trigger svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--text-muted);
}

/* Notes Popover details */
.card-notes-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  width: 100%;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.card-notes-popover::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 20px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #1e293b;
}

/* Trigger styling to open notes on focus/tap */
.card-notes-wrapper.active .card-notes-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Card Played Switch toggle inside card (for write capabilities) */
.card-played-checkbox-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(10, 14, 23, 0.2);
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.card-played-checkbox-row span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Switch styling */
.switch-container {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
}

.switch-container input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--glass-border);
  transition: .3s;
  border-radius: 20px;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .3s;
  border-radius: 50%;
}

.switch-container input:checked + .switch-slider {
  background-color: var(--accent-emerald);
  border-color: var(--accent-emerald);
}

.switch-container input:checked + .switch-slider:before {
  transform: translateX(18px);
  background-color: #ffffff;
}

.switch-container input:disabled + .switch-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5, 8, 15, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-container {
  width: 100%;
  max-width: 600px;
  border-radius: var(--border-radius-lg);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  transform: translateY(16px);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(10, 14, 23, 0.4);
}

/* Form controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input[type="url"] {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-group input[type="url"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

.field-help {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Apps Script Collapsible instructions */
.apps-script-instructions {
  background: rgba(10, 14, 23, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  display: block;
}

.apps-script-instructions summary {
  padding: 14px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  color: #a5b4fc;
  user-select: none;
}

.apps-script-instructions summary:hover {
  background: rgba(255, 255, 255, 0.02);
}

.instructions-content {
  padding: 20px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.instructions-content ol {
  padding-left: 20px;
}

.code-copy-wrapper {
  position: relative;
  border-radius: var(--border-radius-sm);
  background: #090d16;
  border: 1px solid var(--glass-border);
  overflow: hidden;
  margin: 8px 0;
}

.code-copy-wrapper pre {
  padding: 16px;
  overflow-x: auto;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.8rem;
  color: #a5b4fc;
  max-height: 250px;
}

.code-copy-wrapper button {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 5;
}

/* Settings actions & info */
.settings-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.cache-info-box {
  padding: 14px 18px;
  border-radius: var(--border-radius-md);
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cache-info-box strong {
  color: var(--text-primary);
}

/* Random recommendation modal extra */
.random-modal-container {
  max-width: 440px;
}

.recommendation-intro {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: -4px;
}

#recommended-card-container {
  width: 100%;
}

#recommended-card-container .game-card {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 30px var(--primary-glow);
  background: rgba(20, 24, 45, 0.8);
}

#recommended-card-container .game-card:hover {
  transform: none;
}


/* Media Queries & Responsive Design */

/* Desktop view: Sidebar remains open, close button is hidden */
@media (min-width: 901px) {
  .mobile-only {
    display: none !important;
  }
}

@media (min-width: 481px) {
  #mobile-search-toggle {
    display: none !important;
  }
}

/* Mobile & Tablet layout adjustments */
@media (max-width: 900px) {
  .app-header {
    padding: 0 16px;
  }
  
  .app-title {
    font-size: 1.25rem;
  }
  
  .header-center {
    margin: 0 12px;
  }
  
  .search-wrapper input {
    padding: 10px 14px 10px 38px;
    font-size: 0.9rem;
  }
  
  .search-icon {
    left: 12px;
  }
  
  .btn-icon-text span {
    display: none; /* Hide button text on mobile, icons only */
  }
  
  .main-layout {
    flex-direction: column;
  }
  
  /* Sidebar Drawer styling (Slide out menu) */
  .filters-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    max-width: 340px;
    background: #090d16;
    transform: translateX(-100%);
    box-shadow: 20px 0 50px rgba(0, 0, 0, 0.7);
    z-index: 1000;
  }
  
  .filters-sidebar.open {
    transform: translateX(0);
  }
  
  /* Background Overlay when mobile drawer is open */
  .sidebar-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 8, 15, 0.8);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }
  
  .sidebar-backdrop.open {
    opacity: 1;
    pointer-events: auto;
  }
  
  .content-area {
    padding: 20px 16px 40px;
  }
  
  .games-grid {
    grid-template-columns: 1fr; /* Single column on narrow screens */
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .header-center {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 8px 16px;
    background: rgba(10, 14, 23, 0.95);
    border-bottom: 1px solid var(--glass-border);
    z-index: 95;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }
  
  .header-center.search-expanded {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  /* Adjust app shell grid when mobile search is expanded */
  .app-container.search-expanded {
    padding-top: 50px;
  }
}

/* Custom Player Input Control */
.player-input-wrapper {
  display: flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--glass-border);
  padding: 4px;
  width: 100%;
}

.number-btn {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  user-select: none;
}

.number-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
  color: #ffffff;
}

.player-input-wrapper input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  width: 50px;
  user-select: none;
}

/* Custom Expansion Link Hover Popover */
.expansion-link-wrapper {
  position: relative;
  display: inline-block;
}

.expansion-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 260px;
  padding: 14px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text-primary);
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.expansion-popover::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid rgba(15, 23, 42, 0.95);
}

/* Hover trigger for desktop */
@media (hover: hover) {
  .expansion-link-wrapper:hover .expansion-popover {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
}

/* Tap trigger for mobile */
.expansion-link-wrapper.active .expansion-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Preview details inside popover */
.preview-popover-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preview-popover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-popover-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
}

.preview-popover-stats {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.preview-popover-notes {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 6px;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
  max-height: 60px;
  overflow-y: auto;
}

.preview-badge {
  padding: 2px 6px;
  border-radius: 8px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preview-badge.played {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.preview-badge.unplayed {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

/* Floating Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 990;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.back-to-top-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: rgba(99, 102, 241, 0.35);
  border-color: var(--primary);
  color: #ffffff;
}

.back-to-top-btn:hover svg {
  transform: translateY(-2px);
}

/* Mobile adjust position to avoid overlapping action drawer/buttons if needed */
@media (max-width: 480px) {
  .back-to-top-btn {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}