/* ================================================
   视频播放器浅色主题样式
   ================================================ */

/* --- 1. 设计体系：CSS变量定义 --- */
:root[data-theme="light"] {
  --primary-color: #4F7CAD;
  --primary-color-light: #E3F2FD;
  --success-color: #52A87A;
  --danger-color: #D84A47;
  --danger-color-light: #FEF2F2;
  
  --text-primary: #2C3E50;
  --text-secondary: #6B7280;
  --text-light: #FFFFFF;
  
  --bg-body: #FAF9F6;
  --bg-container: #FFFFFF;
  --bg-light: #F5F5F5;
  --bg-hover: #E8E8E8;
  
  --border-color: #E5E7EB;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-8: 32px;
}

/* --- 2. 全局和基础样式 --- */
[data-theme="light"] body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  margin: 0;
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  /* ↓↓↓ 新增此行以适配iOS顶部安全区域 ↓↓↓ */
  padding-top: env(safe-area-inset-top);
  transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="light"] * {
  box-sizing: border-box;
}

/* --- 3. 主布局 --- */
[data-theme="light"] .container {
  display: flex;
  width: 100%;
  height: 100%;
  display: none; 
}

[data-theme="light"] .sidebar {
  width: 280px;
  background: var(--bg-container);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transform: translateX(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

[data-theme="light"] .sidebar.sidebar-hidden {
  transform: translateX(-280px);
}

[data-theme="light"] .sidebar.sidebar-visible {
  transform: translateX(0);
}

[data-theme="light"] .container {
  display: flex;
  width: 100%;
  height: 100%;
  display: none;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .container.sidebar-collapsed {
  margin-left: 0;
}

[data-theme="light"] .container.sidebar-expanded {
  margin-left: 280px;
}

[data-theme="light"] .main-content {
  flex-grow: 1;
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* --- 4. 侧边栏样式 --- */
[data-theme="light"] .sidebar-header {
  display: flex;
  align-items: center;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-1);
  position: relative;
}

[data-theme="light"] .sidebar-tabs {
  display: flex;
  flex: 1;
}

[data-theme="light"] .sidebar-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s ease, opacity 0.2s ease;
  margin-left: var(--spacing-2);
  flex-shrink: 0;
  opacity: 0.2;
}

[data-theme="light"] .sidebar-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  opacity: 1;
}

[data-theme="light"] .sidebar-tab {
  flex: 1;
  padding: var(--spacing-2) var(--spacing-3);
  text-align: center;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  user-select: none;
  margin: 0 var(--spacing-1);
}

[data-theme="light"] .sidebar-tab:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

[data-theme="light"] .sidebar-tab.active {
  background-color: var(--bg-container);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .sidebar-content {
  padding: var(--spacing-4);
  flex-grow: 1;
  overflow-y: auto;
  position: relative;
  padding-bottom: 80px; /* 为按钮留出空间 */
}

[data-theme="light"] .sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

[data-theme="light"] .sidebar li {
  padding: var(--spacing-3);
  cursor: pointer;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-2);
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 18px;
  border: 1px solid transparent;
}

[data-theme="light"] .sidebar li:hover {
  background-color: var(--bg-light);
  border-color: var(--border-color);
}

[data-theme="light"] .sidebar li.active {
  background-color: var(--primary-color);
  color: var(--text-light);
  font-weight: 600;
  border-color: var(--primary-color);
}

[data-theme="light"] .sidebar li.active:hover {
  background-color: var(--primary-color); /* 激活状态hover不变色 */
}

[data-theme="light"] .series-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-theme="light"] .delete-btn {
  background: transparent;
  color: var(--danger-color);
  border: none;
  border-radius: var(--radius-full);
  width: 24px;
  height: 24px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  margin-left: var(--spacing-2);
  transition: background-color 0.2s, color 0.2s;
}

[data-theme="light"] .sidebar li:hover .delete-btn { 
  display: flex; 
}

[data-theme="light"] .sidebar li.active .delete-btn { 
  color: var(--text-light); 
}

[data-theme="light"] .delete-btn:hover { 
  background: rgba(216, 74, 71, 0.1); 
}

[data-theme="light"] .add-video-btn {
  position: absolute;
  bottom: var(--spacing-5);
  left: var(--spacing-4);
  right: var(--spacing-4);
  height: 44px;
  background: var(--success-color);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, transform 0.1s ease;
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .add-video-btn:hover { 
  background: #469369; 
}

[data-theme="light"] .add-video-btn:active { 
  transform: scale(0.98); 
}

/* --- 5. 播放历史样式 --- */
[data-theme="light"] .history-item {
  padding: var(--spacing-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-2);
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-container);
}

[data-theme="light"] .history-item:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .history-title { 
  font-weight: 600; 
  color: var(--text-primary); 
  margin-bottom: var(--spacing-1); 
}

[data-theme="light"] .history-episode { 
  font-size: 13px; 
  color: var(--text-secondary); 
  margin-bottom: var(--spacing-1); 
}

[data-theme="light"] .history-progress { 
  font-size: 12px; 
  color: var(--primary-color); 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}

[data-theme="light"] .history-time { 
  color: var(--text-secondary); 
}

[data-theme="light"] .history-clear {
  width: 100%;
  padding: var(--spacing-2);
  background-color: var(--danger-color-light);
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  margin-top: var(--spacing-4);
  transition: all 0.2s ease;
  font-weight: 500;
}

[data-theme="light"] .history-clear:hover { 
  background-color: var(--danger-color); 
  color: var(--text-light); 
}

[data-theme="light"] .no-history { 
  text-align: center; 
  color: var(--text-secondary); 
  padding: var(--spacing-8) 0; 
}

/* --- 6. 主播放区域 --- */
[data-theme="light"] .player-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  background: #000;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .video-js {
  width: 100%;
  height: 0;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  border-radius: var(--radius-lg);
  overflow: hidden;
}

[data-theme="light"] .combined-title {
  text-align: center;
  margin: var(--spacing-2) 0 var(--spacing-6);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
}

[data-theme="light"] .episode-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  padding: var(--spacing-5) 0;
  justify-content: flex-start;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto 20px;
}

[data-theme="light"] .episode-btn {
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid var(--border-color);
  background-color: var(--bg-container);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all 0.2s ease;
  position: relative;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .episode-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .episode-btn.active {
  background-color: var(--primary-color);
  color: var(--text-light);
  border-color: var(--primary-color);
  font-weight: 600;
}

[data-theme="light"] .episode-delete {
  position: absolute;
  top: -10px; 
  right: -10px;
  background: var(--danger-color);
  color: var(--text-light);
  border: 2px solid var(--bg-container);
  border-radius: var(--radius-full);
  width: 22px; 
  height: 22px;
  font-size: 12px; 
  cursor: pointer;
  display: none; 
  align-items: center; 
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .episode-btn:hover .episode-delete { 
  display: flex; 
}

[data-theme="light"] .add-episode-btn {
  padding: var(--spacing-2) var(--spacing-4);
  border: 2px dashed var(--success-color);
  background-color: transparent;
  color: var(--success-color);
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

[data-theme="light"] .add-episode-btn:hover { 
  background-color: var(--success-color); 
  color: var(--text-light); 
}

/* --- 7. 密码和恢复覆盖层 --- */
[data-theme="light"] #password-overlay {
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7); 
  display: flex;
  justify-content: center; 
  align-items: center; 
  z-index: 9999; 
  display: none; 
  backdrop-filter: blur(4px);
}

[data-theme="light"] .password-modal {
  background: var(--bg-container); 
  padding: var(--spacing-8); 
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); 
  text-align: center;
  border: 1px solid var(--border-color);
}

[data-theme="light"] .password-modal h2 { 
  margin-top: 0; 
  margin-bottom: var(--spacing-5); 
  color: var(--text-primary); 
}

[data-theme="light"] .password-modal input {
  padding: var(--spacing-3); 
  width: 220px; 
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md); 
  font-size: 16px; 
  margin-right: var(--spacing-2);
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--bg-light);
  color: var(--text-primary);
}

[data-theme="light"] .password-modal input::placeholder {
  color: var(--text-secondary);
}

[data-theme="light"] .password-modal input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-light);
}

[data-theme="light"] .password-modal button {
  padding: var(--spacing-3) var(--spacing-5); 
  font-size: 16px; 
  cursor: pointer;
  background-color: var(--primary-color); 
  color: var(--text-light); 
  border: none; 
  border-radius: var(--radius-md); 
  transition: background-color 0.2s;
}

[data-theme="light"] .password-modal button:hover { 
  background-color: #4268A0; 
}

[data-theme="light"] .password-modal p.error { 
  color: var(--danger-color); 
  height: var(--spacing-4); 
  margin-top: var(--spacing-3); 
  margin-bottom: 0; 
}

[data-theme="light"] #restore-overlay {
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6); 
  color: var(--text-light);
  font-size: 18px; 
  line-height: 1.5;
  display: flex; 
  flex-direction: column; 
  justify-content: center; 
  align-items: center;
  text-align: center; 
  cursor: pointer; 
  z-index: 10; 
  display: none;
}

/* --- 8. 添加/编辑弹窗 --- */
[data-theme="light"] #add-video-overlay, 
[data-theme="light"] #add-episode-overlay {
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex; 
  justify-content: center; 
  align-items: center;
  z-index: 9998; 
  display: none; 
  backdrop-filter: blur(4px);
}

[data-theme="light"] .add-video-modal, 
[data-theme="light"] .add-episode-modal {
  background: var(--bg-container);
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 90%;
  max-width: 500px;
  border: 1px solid var(--border-color);
}

[data-theme="light"] .add-video-modal h3, 
[data-theme="light"] .add-episode-modal h3 {
  margin-top: 0; 
  margin-bottom: var(--spacing-6);
  color: var(--text-primary); 
  text-align: center; 
  font-size: 20px;
}

[data-theme="light"] .form-group { 
  margin-bottom: var(--spacing-4); 
}

[data-theme="light"] .form-group label { 
  display: block; 
  margin-bottom: var(--spacing-2); 
  font-weight: 500; 
  color: var(--text-primary); 
}

[data-theme="light"] .form-group input {
  width: 100%; 
  padding: var(--spacing-3);
  border: 1px solid var(--border-color); 
  border-radius: var(--radius-md);
  font-size: 14px; 
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--bg-light);
  color: var(--text-primary);
}

[data-theme="light"] .form-group input::placeholder {
  color: var(--text-secondary);
}

[data-theme="light"] .form-group input:focus {
  outline: none; 
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-light);
}

[data-theme="light"] .episode-inputs {
  border: 1px solid var(--border-color); 
  border-radius: var(--radius-md);
  padding: var(--spacing-4); 
  margin-bottom: var(--spacing-4); 
  background: var(--bg-light);
}

[data-theme="light"] .episode-inputs h4 { 
  margin: 0 0 var(--spacing-4) 0; 
  color: var(--text-primary); 
  font-size: 14px; 
  font-weight: 500;
}

[data-theme="light"] .episode-input-group { 
  display: flex; 
  gap: var(--spacing-2); 
  margin-bottom: var(--spacing-2); 
  align-items: center; 
}

[data-theme="light"] .episode-input-group input { 
  flex: 1; 
  margin-bottom: 0; 
}

[data-theme="light"] .remove-episode-btn {
  background: var(--danger-color-light); 
  color: var(--danger-color); 
  border: 1px solid var(--danger-color);
  border-radius: var(--radius-full); 
  width: 32px; 
  height: 32px;
  cursor: pointer; 
  font-size: 16px; 
  font-weight: bold; 
  flex-shrink: 0;
  transition: background-color 0.2s, color 0.2s;
}

[data-theme="light"] .remove-episode-btn:hover { 
  background: var(--danger-color); 
  color: var(--text-light); 
}

[data-theme="light"] .add-episode-input-btn {
  background: transparent; 
  color: var(--success-color); 
  border: 1px solid var(--success-color);
  border-radius: var(--radius-md); 
  padding: var(--spacing-2) var(--spacing-3);
  cursor: pointer; 
  font-size: 14px; 
  font-weight: 500;
  margin-top: var(--spacing-2); 
  transition: all 0.2s;
}

[data-theme="light"] .add-episode-input-btn:hover { 
  background-color: var(--success-color); 
  color: var(--text-light); 
}

[data-theme="light"] .modal-buttons { 
  display: flex; 
  justify-content: flex-end; 
  gap: var(--spacing-3); 
  margin-top: var(--spacing-6); 
}

[data-theme="light"] .modal-buttons button {
  padding: var(--spacing-3) var(--spacing-5); 
  border: none;
  border-radius: var(--radius-md); 
  cursor: pointer;
  font-size: 14px; 
  font-weight: 500; 
  transition: all 0.2s;
}

[data-theme="light"] .btn-cancel { 
  background: var(--bg-light); 
  color: var(--text-secondary); 
  border: 1px solid var(--border-color);
}

[data-theme="light"] .btn-cancel:hover { 
  background: var(--bg-hover); 
}

[data-theme="light"] .btn-save { 
  background: var(--primary-color); 
  color: var(--text-light); 
}

[data-theme="light"] .btn-save:hover { 
  background-color: #4268A0; 
}

/* --- 9. 其他状态和指示器 --- */
[data-theme="light"] .empty-state {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  padding: 80px 20px;
  display: none;
  flex-grow: 1;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

[data-theme="light"] .empty-state p { 
  margin-bottom: 20px; 
  line-height: 1.6; 
}

[data-theme="light"] .datajs-indicator::after {
  content: "";
  background-color: var(--bg-light);
  color: var(--text-secondary);
  font-weight: normal;
}

[data-theme="light"] .sidebar li.active .datajs-indicator::after {
  background-color: rgba(255,255,255,0.2);
  color: var(--text-light);
}

/* --- 10. 浅色主题Video.js播放器样式 --- */
[data-theme="light"] .video-js .vjs-control-bar {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
}

[data-theme="light"] .video-js .vjs-big-play-button {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
}

[data-theme="light"] .video-js .vjs-big-play-button:hover {
  background: rgba(79, 124, 173, 0.9);
  color: var(--text-light);
}

[data-theme="light"] .video-js .vjs-play-progress {
  background: var(--primary-color);
}

[data-theme="light"] .video-js .vjs-volume-level {
  background: var(--primary-color);
}

[data-theme="light"] .video-js .vjs-control-bar .vjs-button {
  color: var(--text-primary);
}

[data-theme="light"] .video-js .vjs-control-bar .vjs-button:hover {
  color: var(--primary-color);
}

/* --- 11. 侧边栏切换按钮样式 --- */
.sidebar-toggle-container {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 200;
  opacity: 0.2;
  transition: opacity 0.2s ease;
}

.sidebar-toggle-container:hover {
  opacity: 1;
}

.sidebar-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--bg-container);
  color: var(--text-secondary);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.sidebar-toggle-btn:hover {
  color: var(--primary-color);
  transform: scale(1.05);
}

/* --- 12. 主题切换按钮和菜单样式 --- */
.theme-toggle-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  opacity: 0.2;
  transition: opacity 0.2s ease;
}

.theme-toggle-container:hover {
  opacity: 1;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--bg-container);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.theme-toggle-btn:hover {
  color: var(--primary-color);
  transform: scale(1.05);
}

.theme-menu {
  position: absolute;
  top: 50px;
  right: 0;
  background: var(--bg-container);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.theme-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.theme-option {
  padding: var(--spacing-3) var(--spacing-4);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--text-secondary);
  transition: all 0.2s ease;
  font-size: 14px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.theme-option:hover {
  background: var(--bg-light);
  color: var(--text-primary);
}

.theme-option.active {
  color: var(--primary-color);
  font-weight: 500;
}

.theme-option .icon {
  font-size: 16px;
  width: 16px;
  text-align: center;
}

.theme-option .checkmark {
  margin-left: auto;
  opacity: 0;
  transition: opacity 0.2s ease;
  color: var(--primary-color);
}

.theme-option.active .checkmark {
  opacity: 1;
}

/* 主题切换过渡动画 */
html {
  transition: all 0.3s ease;
}

* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}