/* CSS Custom Properties */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #656d76;
  --accent-gold: #ffd700;
  --accent-gold-hover: #ffed4e;
  --border-default: #30363d;
  --border-muted: #21262d;
  --shadow-dark: rgba(0, 0, 0, 0.3);
  --shadow-gold: rgba(255, 215, 0, 0.2);
  
  --font-family-base: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  
  --border-radius: 8px;
  --border-radius-large: 12px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-spinner {
  text-align: center;
}

.film-reel {
  font-size: 4rem;
  animation: spin 2s linear infinite;
  display: block;
  margin-bottom: var(--spacing-md);
}

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

.loading-spinner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: 0;
}

/* App Container */
.app-container {
  min-height: 100vh;
  padding: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.app-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
}

.app-header h1 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 2.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.logo {
  font-size: 3rem;
  animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.title {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: 0;
  font-weight: 400;
}

/* Genre Tabs */
.genre-tabs {
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.genre-tabs::-webkit-scrollbar {
  display: none;
}

.tabs-container {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  min-width: max-content;
}

.tab-button {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
}

.tab-button:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--accent-gold);
}

.tab-button.active {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
  font-weight: 600;
}

.tab-count {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.75rem;
  margin-left: var(--spacing-xs);
}

.tab-button.active .tab-count {
  background: rgba(0, 0, 0, 0.2);
  color: var(--bg-primary);
}

/* Movies Grid */
.movies-container {
  margin-bottom: var(--spacing-2xl);
}

.movies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .app-container {
    padding: var(--spacing-sm);
  }
  
  .movies-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }
  
  .app-header h1 {
    font-size: 2rem;
  }
  
  .logo {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .movies-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .app-header h1 {
    font-size: 1.8rem;
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.6;
}

.empty-state h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
  font-weight: 600;
}

.empty-state p {
  margin: 0;
  font-size: 0.95rem;
}

/* Error Toast */
.error-toast {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: #da3633;
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: 0 4px 12px var(--shadow-dark);
  z-index: 1000;
  max-width: 300px;
  animation: slideInRight 0.3s ease;
}

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

.error-toast button {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Smooth transitions */
* {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}
/* Date Navigation */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}
.date-nav-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  color: var(--accent-gold);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.date-nav-btn:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
}
.today-btn {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: none;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.5rem;
  transition: opacity 0.2s;
}
.today-btn:hover {
  opacity: 0.85;
}