:root {
  --bg: #0f1117;
  --bg-2: #161a23;
  --card: #1b202b;
  --card-hover: #212836;
  --border: #2a3040;
  --text: #e9ecf3;
  --text-2: #98a1b3;
  --accent: #5b8cff;
  --accent-2: #8a5cff;
  --danger: #ff5c5c;
  --ok: #4caf8c;
  --radius: 12px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.btn-primary {
  padding: 10px 18px;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-login {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  font-size: 14px;
  white-space: nowrap;
}
.btn-login:hover { background: rgba(91, 140, 255, 0.12); }
.err { color: var(--danger); font-size: 13px; }
.ok { color: var(--ok); font-size: 13px; }

/* ===== 顶部导航 ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 14px;
}
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 8px 14px; border-radius: 8px; color: var(--text-2); font-size: 15px; transition: 0.15s; }
.nav a:hover { color: var(--text); background: var(--bg-2); }
.nav a.active { color: var(--accent); background: rgba(91, 140, 255, 0.12); }

.search { display: flex; margin-left: auto; }
.search input {
  width: 200px; padding: 8px 14px;
  border: 1px solid var(--border); border-right: none;
  border-radius: 8px 0 0 8px; background: var(--bg-2); color: var(--text); outline: none;
}
.search input:focus { border-color: var(--accent); }
.search button {
  padding: 8px 16px; border: 1px solid var(--accent); background: var(--accent);
  color: #fff; border-radius: 0 8px 8px 0; cursor: pointer;
}

.member-area { display: flex; align-items: center; }
.user-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 20px;
  background: var(--bg-2); border: 1px solid var(--border);
  font-size: 14px;
}
.user-chip:hover { border-color: var(--accent); }

/* ===== 主体 ===== */
.container {
  flex: 1; width: 100%; max-width: 1280px;
  margin: 0 auto; padding: 28px 20px 48px;
}
.loading, .empty { text-align: center; color: var(--text-2); padding: 60px 0; font-size: 15px; }

.section { margin-bottom: 40px; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.section-head h2 { font-size: 20px; font-weight: 700; }
.section-head .more { color: var(--text-2); font-size: 14px; }
.section-head .more:hover { color: var(--accent); }

/* ===== 视频卡片网格 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
  gap: 20px;
}
.card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: 0.2s;
}
.card:hover { transform: translateY(-4px); background: var(--card-hover); box-shadow: var(--shadow); }
.thumb { position: relative; aspect-ratio: 16 / 9; background: #111; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-gen {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  padding: 12px; text-align: center; font-weight: 600; font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}
.thumb .badge-ep {
  position: absolute; left: 8px; bottom: 8px; padding: 2px 8px;
  font-size: 12px; border-radius: 6px; background: rgba(0, 0, 0, 0.6); color: #fff;
}
.card-body { padding: 12px 14px 14px; }
.card-title {
  font-size: 15px; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 42px;
}
.card-meta { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block; padding: 2px 9px; font-size: 12px; border-radius: 20px;
  background: rgba(91, 140, 255, 0.15); color: var(--accent);
}
.tag-series { background: rgba(138, 92, 255, 0.15); color: var(--accent-2); }

/* ===== 剧集/讲员卡片 ===== */
.cover-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; transition: 0.2s;
}
.cover-card:hover { background: var(--card-hover); box-shadow: var(--shadow); transform: translateY(-3px); }
.series-cover {
  aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden;
  margin-bottom: 14px; background: #111; display: flex; align-items: center; justify-content: center;
}
.series-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.series-cover .thumb-gen { font-size: 22px; }
.cover-card .icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 14px;
}
.cover-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.cover-card p { font-size: 14px; color: var(--text-2); }
.cover-card .count { font-size: 13px; color: var(--accent); margin-top: 8px; }

/* ===== 播放页 ===== */
.player-wrap { max-width: 1100px; margin: 0 auto; }
.player {
  position: relative; background: #000; border-radius: var(--radius);
  overflow: hidden; aspect-ratio: 16 / 9;
}
.player video { width: 100%; height: 100%; display: block; }
.player-info { padding: 22px 4px; }
.player-info h1 { font-size: 22px; margin-bottom: 12px; }
.player-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.player-actions { margin-bottom: 14px; }
.fav-btn {
  padding: 9px 18px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); font-size: 14px;
}
.fav-btn.on { border-color: var(--danger); color: var(--danger); }
.player-desc { color: var(--text-2); font-size: 15px; margin-bottom: 12px; }
.player-meta { color: var(--text-2); font-size: 13px; }

/* ===== 页头（列表页） ===== */
.page-head { margin-bottom: 24px; }
.page-head h1 { font-size: 24px; font-weight: 700; }
.page-head .sub { color: var(--text-2); margin-top: 4px; }

/* ===== 剧集详情头部 ===== */
.series-hero { display: flex; gap: 20px; align-items: center; margin-bottom: 24px; }
.series-hero-cover { flex: none; width: 260px; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: #111; }
.series-hero-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.series-hero h1 { font-size: 24px; font-weight: 700; }
.series-hero .sub { color: var(--text-2); margin-top: 6px; }

/* ===== 会员中心 ===== */
.me-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.me-tabs button {
  padding: 8px 18px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text-2); font-size: 14px;
}
.me-tabs button.active { color: var(--accent); border-color: var(--accent); background: rgba(91, 140, 255, 0.12); }
.me-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 10px;
}
.me-thumb { flex: none; width: 120px; aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; background: #111; }
.me-thumb img, .me-thumb .thumb-gen { width: 100%; height: 100%; object-fit: cover; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.me-info { flex: 1; min-width: 0; }
.me-title { font-weight: 600; font-size: 15px; display: block; }
.me-title:hover { color: var(--accent); }
.me-time { color: var(--text-2); font-size: 12px; margin-top: 4px; }
.me-remove {
  flex: none; padding: 6px 12px; border-radius: 8px; font-size: 13px;
  border: 1px solid var(--border); background: var(--bg-2); color: var(--danger);
}
.pwd-form { display: flex; flex-direction: column; gap: 12px; max-width: 360px; }
.pwd-form input {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-2); color: var(--text); outline: none;
}
.pwd-form input:focus { border-color: var(--accent); }
.head-actions { display: flex; justify-content: flex-end; gap: 10px; margin-bottom: 14px; }

/* ===== 弹窗 ===== */
.modal {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: center; justify-content: center; z-index: 200; padding: 16px;
}
.modal-box {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; width: min(94vw, 400px); display: flex; flex-direction: column; gap: 12px;
}
.modal-box h2 { font-size: 18px; }
.auth-tabs { display: flex; gap: 8px; }
.auth-tab {
  flex: 1; padding: 9px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-2); color: var(--text-2); font-size: 14px;
}
.auth-tab.active { color: var(--accent); border-color: var(--accent); background: rgba(91, 140, 255, 0.12); }
.modal-box input {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); outline: none;
}
.modal-box input:focus { border-color: var(--accent); }

/* ===== 页脚 ===== */
.footer {
  border-top: 1px solid var(--border); padding: 24px 20px;
  text-align: center; color: var(--text-2); font-size: 14px;
}
.footer .admin-link { margin-left: 12px; color: var(--text-2); }
.footer .admin-link:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 720px) {
  .topbar-inner { gap: 10px; }
  .search { order: 5; width: 100%; margin-left: 0; }
  .search input { flex: 1; width: auto; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr)); gap: 12px; }
  .container { padding: 20px 14px 40px; }
  .player-info h1 { font-size: 18px; }
  .card-title { font-size: 14px; }
  .series-hero { flex-direction: column; align-items: stretch; }
  .series-hero-cover { width: 100%; }
  .me-thumb { width: 96px; }
  .me-row { flex-wrap: wrap; }
}
@media (max-width: 400px) {
  .grid { grid-template-columns: 1fr; }
}