/* CSS 变量 - 主题颜色 */
:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #252525;
  --bg-card: #1c1c1c;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  --accent-primary: #e50914;
  --accent-hover: #f40612;
  --accent-secondary: #46d369;
  --border-color: #333333;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --gradient-start: rgba(15, 15, 15, 0);
  --gradient-end: rgba(15, 15, 15, 1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* 浅色主题 */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --bg-card: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #888888;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --gradient-start: rgba(245, 245, 245, 0);
  --gradient-end: rgba(245, 245, 245, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
  padding: 1rem 0;
  transition: background var(--transition-normal);
}

.navbar.scrolled {
  background: var(--bg-secondary);
  box-shadow: 0 2px 20px var(--shadow-color);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.02);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-search {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.nav-search input {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 1rem;
  border-radius: 9999px;
  border: 2px solid transparent;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.nav-search input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.15);
}

.nav-search input::placeholder {
  color: var(--text-secondary);
}

.nav-search button {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.5rem;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-search button:hover {
  color: var(--text-primary);
}

.nav-search button svg {
  width: 20px;
  height: 20px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link svg {
  width: 20px;
  height: 20px;
}

.watchlist-count {
  position: absolute;
  top: -8px;
  right: -12px;
  background: var(--accent-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--border-color);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.sun-icon {
  display: none;
}

[data-theme="light"] .sun-icon {
  display: block;
}

[data-theme="light"] .moon-icon {
  display: none;
}

/* 主内容区 */
.main-content {
  padding-top: 80px;
}

/* API 配置界面 */
.api-config {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.api-config-content {
  text-align: center;
  max-width: 500px;
}

.api-config-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  color: var(--accent-primary);
}

.api-config-icon svg {
  width: 100%;
  height: 100%;
}

.api-config h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.api-config p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.api-config-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.api-config-form input {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  text-align: center;
  letter-spacing: 2px;
}

.api-config-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.api-config-form button {
  padding: 1rem 2rem;
  background: var(--accent-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition-fast);
}

.api-config-form button:hover {
  background: var(--accent-hover);
}

.api-config-help {
  font-size: 0.9rem;
}

.api-config-help a {
  color: var(--accent-primary);
  text-decoration: underline;
}

/* Hero 区域 */
.hero {
  position: relative;
  height: 80vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding: 4rem 0;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.5s ease;
}

.hero-backdrop::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-primary) 0%, var(--gradient-start) 60%);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-primary) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--accent-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px var(--shadow-color);
}

.hero-overview {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn svg {
  width: 20px;
  height: 20px;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 电影区域 */
.movie-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.view-all {
  color: var(--accent-primary);
  font-weight: 500;
  transition: opacity var(--transition-fast);
}

.view-all:hover {
  opacity: 0.8;
}

/* 电影网格 */
.movie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
}

/* 电影卡片 */
.movie-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.movie-card:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 40px var(--shadow-color);
  z-index: 10;
}

.movie-poster {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
}

.movie-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.movie-card:hover .movie-poster img {
  transform: scale(1.1);
}

.movie-rating {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(0, 0, 0, 0.8);
  color: var(--accent-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
}

.movie-info {
  padding: 1rem;
}

.movie-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.movie-actions {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.movie-card:hover .movie-actions {
  opacity: 1;
  transform: translateY(0);
}

.movie-watchlist-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.movie-watchlist-btn:hover {
  background: var(--accent-primary);
}

.movie-watchlist-btn.in-watchlist {
  background: var(--accent-primary);
}

.movie-watchlist-btn svg {
  width: 18px;
  height: 18px;
}

/* 加载骨架屏 */
.loading-skeleton {
  aspect-ratio: 2 / 3;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* 加载指示器 */
.loading-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  display: none;
}

.loading-indicator.active {
  display: block;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* 通知提示 */
.notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px var(--shadow-color);
  z-index: 3000;
  opacity: 0;
  transition: all 0.3s ease;
}

.notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.notification-text {
  font-weight: 500;
}

/* 电影详情页 */
.movie-detail {
  min-height: 100vh;
  padding-top: 80px;
}

.detail-backdrop {
  position: relative;
  height: 60vh;
  background-size: cover;
  background-position: center;
}

.detail-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 70%);
}

.detail-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 3rem;
  margin-top: -200px;
  position: relative;
  z-index: 2;
}

.back-btn {
  position: absolute;
  top: -3rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.back-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.back-btn svg {
  width: 18px;
  height: 18px;
}

.detail-poster {
  flex-shrink: 0;
  width: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-color);
}

.detail-poster img {
  width: 100%;
  height: auto;
}

.detail-info {
  flex: 1;
  padding-top: 2rem;
}

.detail-info h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.detail-meta .rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent-secondary);
  font-weight: 700;
  font-size: 1.1rem;
}

.detail-meta .rating::before {
  content: '★';
}

.detail-meta .genres {
  display: flex;
  gap: 0.5rem;
}

.detail-meta .genres span {
  padding: 0.25rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: 9999px;
  font-size: 0.85rem;
}

.detail-tagline {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.detail-overview {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.detail-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.detail-section {
  max-width: 1400px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.detail-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* 演员网格 */
.cast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.cast-card {
  text-align: center;
}

.cast-photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background: var(--bg-tertiary);
}

.cast-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cast-name {
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cast-character {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 预告片 */
.trailer-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 1.5rem;
}

.trailer-item {
  position: relative;
  padding-top: 56.25%;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.trailer-item iframe,
.trailer-item .trailer-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.trailer-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.trailer-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.trailer-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(229, 9, 20, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: transform var(--transition-fast);
}

.trailer-item:hover .trailer-play {
  transform: translate(-50%, -50%) scale(1.1);
}

.trailer-play svg {
  width: 24px;
  height: 24px;
  color: white;
  margin-left: 4px;
}

/* 搜索结果页 */
.search-results,
.watchlist-page {
  min-height: 100vh;
  padding: 100px 2rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.search-header,
.watchlist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.search-header h2,
.watchlist-header h2 {
  font-size: 1.75rem;
}

.search-header span {
  color: var(--text-secondary);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

/* 推荐电影 */
.recommendations-section {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.recommendations-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* 模态框 */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 4000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-primary);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  position: relative;
  padding-top: 56.25%;
}

.modal-body iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* 隐藏类 */
.hidden {
  display: none !important;
}

/* 无限滚动加载器 */
.loading-spinner {
  display: none;
  justify-content: center;
  padding: 2rem;
}

.loading-spinner.active {
  display: flex;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .detail-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .detail-poster {
    width: 250px;
    margin-top: -150px;
  }

  .detail-meta {
    justify-content: center;
  }

  .detail-actions {
    justify-content: center;
  }

  .back-btn {
    position: static;
    margin-bottom: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
    flex-wrap: wrap;
  }

  .nav-search {
    order: 3;
    max-width: none;
    width: 100%;
    margin-top: 0.5rem;
  }

  .hero {
    height: 70vh;
    min-height: 500px;
  }

  .hero-content {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .movie-section {
    padding: 2rem 1rem;
  }

  .movie-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
  }

  .search-results,
  .watchlist-page {
    padding: 100px 1rem 2rem;
  }

  .detail-poster {
    width: 200px;
  }

  .detail-info h1 {
    font-size: 1.75rem;
  }

  .cast-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }

  .trailer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-overview {
    font-size: 0.95rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

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

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}