/* components.css - 全局组件及首页特色卡片 */

/* ========== 头部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--backdrop-blur));
  -webkit-backdrop-filter: blur(var(--backdrop-blur));
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.header-placeholder { height: clamp(56px, 8vw, 72px); }

.logo {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-link {
  position: relative;
  padding: 0.25em 0.6em;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}
@media (min-width: 768px) {
  .desktop-nav { display: flex; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.search-toggle,
.history-toggle {
  width: clamp(36px, 5vw, 44px);
  height: clamp(36px, 5vw, 44px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.search-toggle:hover,
.history-toggle:hover {
  background: var(--color-accent);
  color: white;
}

/* 搜索下拉 */
.search-dropdown {
  position: absolute;
  top: 100%;
  right: var(--space-md);
  width: clamp(260px, 30vw, 360px);
  margin-top: var(--space-xs);
  padding: var(--space-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--backdrop-blur));
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-smooth);
  z-index: 110;
}
.search-dropdown.show {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.search-form {
  display: flex; gap: var(--space-xs);
}
.search-input {
  flex: 1;
  padding: 0.5em 1em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.search-btn {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: white; cursor: pointer;
}

/* 移动菜单 */
.hamburger { display: flex; flex-direction: column; gap: 5px; width: 28px; cursor: pointer; z-index: 200; }
.hamburger span { display: block; height: 2px; background: var(--color-text); transition: var(--transition-fast); }
@media (min-width: 768px) { .hamburger { display: none; } }
.menu-check { display: none; }
.mobile-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 150;
  opacity: 0; visibility: hidden; transition: opacity var(--transition-smooth);
}
.menu-check:checked ~ .mobile-overlay { opacity: 1; visibility: visible; }
.mobile-panel {
  position: fixed; top:0; left:0; bottom:0;
  width: min(80vw, 320px);
  background: var(--color-surface); padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%); transition: transform var(--transition-smooth);
  overflow-y: auto;
}
.menu-check:checked ~ .mobile-overlay .mobile-panel { transform: translateX(0); }
.mobile-close { font-size: 1.5rem; cursor: pointer; display: block; margin-bottom: var(--space-md); color: var(--color-text); }
.mobile-nav-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.mobile-nav-list .nav-link { font-size: var(--text-lg); padding: 0.5em 0; }
.mobile-search-form { margin-bottom: var(--space-md); }

/* ========== 播放记录面板 ========== */
.history-panel {
  position: absolute; top: 100%; right: var(--space-md); margin-top: var(--space-xs);
  width: clamp(260px, 30vw, 340px); max-height: 60vh;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--backdrop-blur));
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  padding: var(--space-sm);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all var(--transition-smooth);
  z-index: 120; overflow: hidden;
}
.history-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }
.history-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: var(--space-xs); border-bottom: 1px solid var(--color-border); font-weight: 600; }
.history-clear { font-size: var(--text-xs); color: var(--color-accent); cursor: pointer; }
.history-list { max-height: 50vh; overflow-y: auto; padding-right: 4px; }
.history-list::-webkit-scrollbar { width: 4px; }
.history-list::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 4px; }
.history-item { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-xs) 0; border-bottom: 1px solid var(--color-border); transition: background var(--transition-fast); }
.history-item:hover { background: var(--color-accent-soft); }
.history-thumb { width: 40px; height: 53px; object-fit: cover; border-radius: var(--radius-sm); background: #eee; }
.history-title { font-size: var(--text-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text); }
.history-empty { text-align: center; color: var(--color-text-muted); padding: var(--space-md); font-size: var(--text-sm); }

/* ========== 底部 ========== */
.site-footer { text-align: center; padding: var(--space-lg) var(--space-md); color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-links { display: flex; justify-content: center; gap: var(--space-md); margin: var(--space-xs) 0; }
.footer-links a { color: var(--color-text-muted); text-decoration: underline; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-accent); }

/* ========== 返回顶部 ========== */
.back-to-top {
  position: fixed; bottom: clamp(20px, 4vw, 32px); right: clamp(20px, 4vw, 32px);
  width: clamp(44px, 6vw, 48px); height: clamp(44px, 6vw, 48px);
  border-radius: 50%; background: var(--glass-bg);
  backdrop-filter: blur(var(--backdrop-blur));
  border: var(--glass-border); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text); cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition-smooth); z-index: 200;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ========== 视频卡片（通用 + 微交互） ========== */
.vod-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}
.vod-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 12px rgba(37,99,235,0.1);
  border-color: rgba(255,255,255,0.8);
}
.vod-card .card-poster {
  position: relative; overflow: hidden;
  aspect-ratio: 2/3; background: #e0e0e0;
}
.vod-card .card-poster img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.vod-card:hover .card-poster img { transform: scale(1.03); }
.vod-card .play-hint {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.25); opacity: 0;
  transition: opacity var(--transition-smooth);
}
.vod-card:hover .play-hint { opacity: 1; }
.vod-card .card-info { padding: var(--space-sm); }
.vod-card .card-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.vod-card .card-meta { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

/* ========== Hero 大卡 ========== */
.hero-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  border: 1px solid transparent;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}
.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(37,99,235,0.15);
  border-color: rgba(255,255,255,0.8);
}
.hero-link { display: block; position: relative; }
.hero-poster {
  position: relative; width: 100%;
  aspect-ratio: 16/9; overflow: hidden;
  background: #d0d0d0;
}
.hero-poster img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.hero-card:hover .hero-poster img { transform: scale(1.02); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 60%);
}
.hero-info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: var(--space-lg);
  color: white;
  z-index: 5;
}
.hero-badge {
  display: inline-block; padding: 0.2em 0.8em;
  background: var(--color-accent); border-radius: var(--radius-sm);
  font-size: var(--text-xs); font-weight: 600; margin-bottom: var(--space-xs);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl); font-weight: 700;
  margin-bottom: var(--space-xs);
}
.hero-desc {
  font-size: var(--text-sm); opacity: 0.9; margin-bottom: var(--space-sm);
}
.hero-cta {
  font-weight: 600; border-bottom: 2px solid white; padding-bottom: 2px;
  transition: opacity var(--transition-fast);
}
.hero-cta:hover { opacity: 0.8; }

/* ========== 排行面板 ========== */
.rank-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex; flex-direction: column;
}
.panel-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg); margin-bottom: var(--space-sm);
}
.rank-list { display: flex; flex-direction: column; gap: var(--space-xs); }
.rank-item { display: flex; align-items: center; gap: var(--space-sm); }
.rank-num {
  width: 20px; height: 20px; text-align: center;
  font-weight: 700; font-size: var(--text-xs); border-radius: 4px;
  background: var(--color-accent-soft); color: var(--color-accent);
  line-height: 20px;
}
.rank-num.top { background: var(--color-accent); color: white; }
.rank-link { display: flex; flex: 1; justify-content: space-between; align-items: center; }
.rank-name { font-size: var(--text-sm); color: var(--color-text); }
.rank-hits { color: var(--color-text-muted); }

/* ========== 分类入口卡片 ========== */
.category-card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 12px rgba(37,99,235,0.08);
  border-color: rgba(255,255,255,0.8);
}
.category-visual {
  position: relative; width: 100%;
  aspect-ratio: 16/9; overflow: hidden;
  background: #eaeaea;
}
.category-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.category-card:hover .category-img { transform: scale(1.03); }
.category-icon-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.2); color: white;
  opacity: 0; transition: opacity var(--transition-smooth);
}
.category-card:hover .category-icon-overlay { opacity: 1; }
.category-name {
  padding: var(--space-sm); font-weight: 600; text-align: center;
  font-size: var(--text-base);
}

/* 通用微交互 */
a, button { transition: all var(--transition-fast); }

.hide
{
  display: none !important;
}