/**
 * GlobeTimeZone 广告解锁权益体系 — CSS样式
 * 文档版本：V3.0 §3.5 交互与视觉像素级规范
 * 
 * 所有视觉规范严格按照文档定义：
 *   弹窗：桌面480px/移动自适应/圆角12px/遮罩rgba(0,0,0,0.5)
 *   按钮：主按钮44px/#165DFF/次按钮#F5F7FA/禁用40%/加载旋转16px
 *   骨架屏：渐变呼吸1.5s循环
 *   视频播放器：无拖拽/无快进/静音默认
 *   权益卡片：剩余时间+打卡进度
 */

/* ============================================================================
   解锁弹窗基础
   文档§3.5：桌面480px/移动自适应/圆角12px/遮罩rgba(0,0,0,0.5)
   ============================================================================ */
.gtz-ad-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gtz-ad-overlay.active {
  opacity: 1;
  visibility: visible;
}

.gtz-ad-modal {
  width: 480px;
  min-height: 320px;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  padding: 32px;
  position: relative;
  animation: gtz-modal-enter 0.3s ease;
}

@keyframes gtz-modal-enter {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ============================================================================
   移动端适配
   文档§3.5：左右边距20px/宽度自适应/圆角10px/内边距24px
   ============================================================================ */
@media (max-width: 640px) {
  .gtz-ad-modal {
    width: calc(100% - 40px);
    border-radius: 10px;
    padding: 24px 20px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
  }
}

/* ============================================================================
   弹窗标题
   文档§3.5：桌面18px/600/移动16px/600
   ============================================================================ */
.gtz-ad-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: #1D2129;
  margin-bottom: 16px;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .gtz-ad-modal-title {
    font-size: 16px;
  }
}

/* ============================================================================
   弹窗正文
   文档§3.5：桌面14px/行高1.6/移动13px/行高1.5
   ============================================================================ */
.gtz-ad-modal-body {
  font-size: 14px;
  line-height: 1.6;
  color: #4E5969;
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .gtz-ad-modal-body {
    font-size: 13px;
    line-height: 1.5;
  }
}

/* ============================================================================
   关闭按钮
   文档§3.4：右上角仅保留关闭按钮
   ============================================================================ */
.gtz-ad-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #86909C;
  font-size: 20px;
  transition: background 0.2s;
}

.gtz-ad-close-btn:hover {
  background: #F5F7FA;
}

.gtz-ad-close-btn::after {
  content: '×';
}

/* ============================================================================
   按钮
   文档§3.5：
   主按钮：44px高度/8px圆角/#165DFF背景/白色文字
   次按钮：44px高度/8px圆角/#F5F7FA背景/#1D2129文字
   文字链接：14px/#86909C/hover #165DFF
   禁用态：40%透明度/not-allowed
   加载态：16px旋转动画/文字变「加载中...」
   ============================================================================ */
.gtz-ad-btn-primary {
  height: 44px;
  border-radius: 8px;
  background: #165DFF;
  color: #ffffff;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  padding: 0 24px;
  transition: background 0.2s, opacity 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.gtz-ad-btn-primary:hover:not(:disabled) {
  background: #0E42D2;
}

.gtz-ad-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.gtz-ad-btn-primary.loading {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

@media (max-width: 640px) {
  .gtz-ad-btn-primary {
    height: 40px;
  }
}

.gtz-ad-btn-secondary {
  height: 44px;
  border-radius: 8px;
  background: #F5F7FA;
  color: #1D2129;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  padding: 0 24px;
  transition: background 0.2s;
}

.gtz-ad-btn-secondary:hover {
  background: #E8EAEF;
}

@media (max-width: 640px) {
  .gtz-ad-btn-secondary {
    height: 40px;
  }
}

.gtz-ad-btn-link {
  font-size: 14px;
  color: #86909C;
  cursor: pointer;
  border: none;
  background: transparent;
  text-decoration: none;
  transition: color 0.2s;
}

.gtz-ad-btn-link:hover {
  color: #165DFF;
}

@media (max-width: 640px) {
  .gtz-ad-btn-link {
    font-size: 13px;
  }
}

/* ============================================================================
   加载旋转动画
   文档§3.5：16px旋转加载动画
   ============================================================================ */
.gtz-ad-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid #ffffff;
  border-radius: 50%;
  animation: gtz-spin 0.8s linear infinite;
}

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

/* ============================================================================
   骨架屏
   文档§3.5：渐变呼吸效果，1.5秒循环
   ============================================================================ */
.gtz-ad-skeleton {
  background: #F5F7FA;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.gtz-ad-skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.04), transparent);
  animation: gtz-skeleton-breathe 1.5s ease-in-out infinite;
}

@keyframes gtz-skeleton-breathe {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.gtz-ad-skeleton-text {
  height: 14px;
  background: #E8EAEF;
  border-radius: 4px;
  margin-bottom: 8px;
}

.gtz-ad-skeleton-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #E8EAEF;
  border-radius: 8px;
}

/* ============================================================================
   视频播放器
   文档§3.4：静音/无拖拽/无快进/无倍速/右上角仅关闭按钮
   ============================================================================ */
.gtz-ad-video-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 16px;
}

.gtz-ad-video-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 视频静音标识 */
.gtz-ad-muted-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
}

/* 视频倒计时进度条 */
.gtz-ad-video-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  background: #165DFF;
  transition: width 0.1s linear;
  border-radius: 2px;
}

/* ============================================================================
   解锁成功动画
   ============================================================================ */
.gtz-ad-success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #165DFF;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 24px;
  margin: 0 auto 16px;
  animation: gtz-success-pop 0.4s ease;
}

@keyframes gtz-success-pop {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ============================================================================
   兜底提示
   文档§9.5核心文案：「Slow network? We've unlocked 10min for you」
   ============================================================================ */
.gtz-ad-fallback-tip {
  background: #FFF7E8;
  border: 1px solid #FFD666;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #4E5969;
  line-height: 1.6;
}

.gtz-ad-fallback-tip-title {
  font-weight: 600;
  color: #1D2129;
  margin-bottom: 4px;
}

/* ============================================================================
   权益卡片
   文档§2.5：实时显示剩余时间+打卡进度
   ============================================================================ */
.gtz-right-card {
  background: #F5F7FA;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
}

.gtz-right-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.gtz-right-card-scene {
  font-size: 14px;
  font-weight: 500;
  color: #1D2129;
}

.gtz-right-card-time {
  font-size: 13px;
  color: #165DFF;
  font-weight: 500;
}

.gtz-right-card-type {
  font-size: 12px;
  color: #86909C;
  padding: 2px 8px;
  background: #E8EAEF;
  border-radius: 4px;
}

.gtz-right-card-bar {
  height: 4px;
  background: #E8EAEF;
  border-radius: 2px;
  overflow: hidden;
}

.gtz-right-card-bar-fill {
  height: 100%;
  background: #165DFF;
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ============================================================================
   打卡进度
   文档§2.5：进度条可视化，已完成高亮，未完成置灰
   ============================================================================ */
.gtz-checkin-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.gtz-checkin-day {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.3s, color 0.3s;
}

.gtz-checkin-day.completed {
  background: #165DFF;
  color: #ffffff;
}

.gtz-checkin-day.pending {
  background: #E8EAEF;
  color: #86909C;
}

.gtz-checkin-connector {
  width: 16px;
  height: 2px;
  background: #E8EAEF;
  transition: background 0.3s;
}

.gtz-checkin-connector.completed {
  background: #165DFF;
}

.gtz-checkin-text {
  font-size: 13px;
  color: #4E5969;
  text-align: center;
}

.gtz-checkin-text strong {
  color: #165DFF;
}

/* ============================================================================
   解锁入口按钮（在进阶功能旁显示）
   文档§9.5核心文案：「Watch 8s to unlock」
   ============================================================================ */
.gtz-unlock-entry {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #165DFF;
  color: #ffffff;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}

.gtz-unlock-entry:hover {
  background: #0E42D2;
}

.gtz-unlock-entry-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gtz-unlock-entry-icon::before {
  content: '▶';
  font-size: 10px;
}

/* ============================================================================
   深色模式适配
   ============================================================================ */
@media (prefers-color-scheme: dark) {
  .gtz-ad-modal {
    background: #1D2129;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  }

  .gtz-ad-modal-title {
    color: #ffffff;
  }

  .gtz-ad-modal-body {
    color: #CBD5E1;
  }

  .gtz-ad-close-btn {
    color: #CBD5E1;
  }

  .gtz-ad-close-btn:hover {
    background: #2A2F3B;
  }

  .gtz-ad-btn-secondary {
    background: #2A2F3B;
    color: #CBD5E1;
  }

  .gtz-ad-btn-secondary:hover {
    background: #3A3F4B;
  }

  .gtz-ad-skeleton {
    background: #2A2F3B;
  }

  .gtz-ad-skeleton-text,
  .gtz-ad-skeleton-video {
    background: #3A3F4B;
  }

  .gtz-ad-fallback-tip {
    background: #2A2F3B;
    border-color: #B8860B;
    color: #CBD5E1;
  }

  .gtz-ad-fallback-tip-title {
    color: #ffffff;
  }

  .gtz-right-card {
    background: #2A2F3B;
  }

  .gtz-right-card-scene {
    color: #ffffff;
  }

  .gtz-right-card-type {
    background: #3A3F4B;
    color: #CBD5E1;
  }

  .gtz-checkin-day.pending {
    background: #3A3F4B;
    color: #CBD5E1;
  }

  .gtz-checkin-connector {
    background: #3A3F4B;
  }
}

/* ============================================================================
   功能锁定遮罩（进阶功能未解锁时的视觉提示）
   ============================================================================ */
.gtz-feature-locked-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  z-index: 10;
}

@media (prefers-color-scheme: dark) {
  .gtz-feature-locked-overlay {
    background: rgba(29, 33, 41, 0.85);
  }
}

/* ============================================================================
   SEO红线纪律
   文档§2.1：SEO核心落地页（单城市时间查询页）永久无任何广告元素
   城市页面 (/city/*) 不加载ad-unlock模块
   ============================================================================ */