/* CSS Variables - Dark Cinema Theme */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --bg-hover: #242424;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #f5a623;
  --accent-hover: #ffb800;
  --danger: #e74c3c;
  --success: #27ae60;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s ease;
}

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

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

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

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

.nav-icon {
  font-size: 18px;
}

/* Pages */
.page {
  display: none;
  padding: 40px 0;
  animation: fadeIn 0.4s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 0;
}

.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Mood Section */
.mood-section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.mood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.mood-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

.mood-btn:hover {
  background: var(--bg-hover);
  transform: translateY(-2px);
  border-color: rgba(245, 166, 35, 0.3);
}

.mood-btn.selected {
  border-color: var(--accent);
  background: rgba(245, 166, 35, 0.1);
}

.mood-emoji {
  font-size: 36px;
}

.mood-label {
  font-weight: 500;
}

/* Filters Section */
.filters-section {
  margin-bottom: 48px;
}

.filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.reset-filters-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--text-muted);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

.reset-filters-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.filter-select {
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 44px;
}

.filter-select:hover {
  border-color: rgba(245, 166, 35, 0.3);
}

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

.filter-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 60px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.find-btn,
.random-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 32px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.find-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
}

.find-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.4);
}

.find-btn:active {
  transform: translateY(0);
}

.random-btn {
  background: var(--bg-card);
  border: 2px solid rgba(245, 166, 35, 0.3);
  color: var(--accent);
}

.random-btn:hover {
  background: rgba(245, 166, 35, 0.1);
  border-color: var(--accent);
}

/* Result Section */
.result-section {
  margin-top: 60px;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.result-section.show {
  opacity: 1;
  transform: translateY(0);
}

.movie-card {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 40px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.movie-poster {
  flex-shrink: 0;
}

.movie-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.movie-info {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.movie-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.movie-original {
  font-size: 18px;
  color: var(--text-secondary);
  font-style: italic;
}

.movie-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 16px;
}

.meta-dot {
  color: var(--text-muted);
}

.movie-rating {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
}

.movie-genres {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-tag {
  padding: 6px 14px;
  background: rgba(245, 166, 35, 0.1);
  border-radius: 20px;
  font-size: 14px;
  color: var(--accent);
}

.movie-description {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 16px;
  margin-top: 8px;
}

.movie-actions {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.favorite-btn,
.another-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
  font-weight: 600;
}

.favorite-btn {
  background: rgba(231, 76, 60, 0.1);
  border: 2px solid var(--danger);
  color: var(--danger);
}

.favorite-btn:hover {
  background: var(--danger);
  color: var(--text-primary);
}

.favorite-btn.active {
  background: var(--danger);
  color: var(--text-primary);
}

.another-btn {
  background: var(--bg-hover);
  border: 2px solid var(--text-muted);
  color: var(--text-primary);
}

.another-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Loading State */
.loading-state {
  text-align: center;
  padding: 80px 0;
}

.loading-text {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-secondary);
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-icon {
  font-size: 72px;
  margin-bottom: 24px;
}

.empty-state h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Favorites & History Pages */
.page-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.back-btn {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
}

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

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
}

.movies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.movie-item {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.movie-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.movie-item-poster {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
}

.movie-item-info {
  padding: 16px;
}

.movie-item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.movie-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-secondary);
}

.movie-item-rating {
  color: var(--accent);
  font-weight: 600;
}

.remove-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--danger);
  border-radius: var(--border-radius-sm);
  color: var(--danger);
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
}

.remove-btn:hover {
  background: var(--danger);
  color: var(--text-primary);
}

.empty-favorites,
.empty-history {
  text-align: center;
  padding: 80px 20px;
}

.clear-history-btn {
  display: block;
  margin: 0 auto;
  padding: 14px 32px;
  background: transparent;
  border: 2px solid var(--danger);
  border-radius: var(--border-radius-sm);
  color: var(--danger);
  cursor: pointer;
  transition: var(--transition);
  font-size: 15px;
  font-weight: 600;
}

.clear-history-btn:hover {
  background: var(--danger);
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 900px) {
  .movie-card {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .movie-poster {
    max-height: 400px;
  }

  .movie-info {
    padding: 24px;
  }

  .movie-title {
    font-size: 28px;
  }
}

@media (max-width: 600px) {
  .header {
    flex-direction: column;
    gap: 16px;
  }

  .nav {
    width: 100%;
    justify-content: center;
  }

  .nav-text {
    display: none;
  }

  .mood-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .mood-btn {
    padding: 16px 8px;
  }

  .mood-emoji {
    font-size: 28px;
  }

  .mood-label {
    font-size: 12px;
  }

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

  .movie-actions {
    flex-direction: column;
  }

  .favorite-btn,
  .another-btn {
    width: 100%;
    justify-content: center;
  }

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

@media (max-width: 400px) {
  .mood-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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