/* WebTV — 全球免费电视直播（静态站，iptv-org 数据） */
:root {
  --bg: #0f1117; --panel: #171a23; --panel2: #1e2230; --text: #e8eaf0;
  --muted: #9aa0b5; --accent: #4f8cff; --border: #2a2f3d;
  --ok: #2ecc71; --err: #e74c3c; --warn: #f39c12;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }

/* 顶栏 */
.topbar { display: flex; align-items: center; gap: 16px; padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; flex-wrap: wrap; }
.brand { font-size: 20px; font-weight: 700; white-space: nowrap; }
.tag { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.nav-tabs { display: flex; gap: 4px; }
.nav-tab { background: none; border: none; color: var(--muted); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.nav-tab:hover { background: var(--panel2); color: var(--text); }
.nav-tab.active { background: var(--accent); color: #fff; }
.search-box { margin-left: auto; flex: 1; max-width: 320px; }
#search { width: 100%; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); font-size: 14px; outline: none; }
#search:focus { border-color: var(--accent); }

main { padding: 20px; max-width: 1280px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }

/* 筛选 */
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar select { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); font-size: 14px; outline: none; }

/* 频道网格 */
.ch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.ch-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px; cursor: pointer; transition: transform .15s, border-color .15s; display: flex; flex-direction: column; gap: 8px; }
.ch-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.ch-logo { width: 100%; aspect-ratio: 16/9; object-fit: contain; background: #000; border-radius: 8px; }
.ch-logo-ph { width: 100%; aspect-ratio: 16/9; background: var(--panel2); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 32px; }
.ch-name { font-size: 14px; font-weight: 600; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ch-meta { font-size: 12px; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; }
.chip { background: var(--panel2); padding: 2px 8px; border-radius: 20px; font-size: 11px; color: var(--muted); }
.chip.src { color: var(--ok); }

/* 国家/分类网格 */
.country-grid, .cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.country-card, .cat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; cursor: pointer; transition: border-color .15s; }
.country-card:hover, .cat-card:hover { border-color: var(--accent); }
.country-card .cc { font-size: 28px; }
.country-card .cn { font-size: 13px; margin-top: 6px; font-weight: 600; }
.country-card .ccnt { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* 播放浮层 */
.player-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.9); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.player-overlay.hidden { display: none; }
.player-box { width: 100%; max-width: 900px; background: var(--panel); border-radius: 14px; overflow: hidden; border: 1px solid var(--border); }
.player-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.player-title { display: flex; align-items: center; gap: 10px; }
.player-title img { height: 34px; border-radius: 4px; }
.player-title span { font-size: 16px; font-weight: 600; }
.quality-badge { background: var(--accent); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 20px; }
.src-badge { background: var(--panel2); color: var(--ok); font-size: 11px; padding: 2px 8px; border-radius: 20px; }
.p-close { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; padding: 4px 8px; }
.p-close:hover { color: #fff; }
#video { width: 100%; aspect-ratio: 16/9; background: #000; display: block; }
.epg-row { display: flex; gap: 10px; padding: 10px 16px; background: var(--panel2); font-size: 13px; align-items: center; }
.epg-label { color: var(--muted); white-space: nowrap; }
.src-bar { display: flex; gap: 6px; padding: 8px 16px; flex-wrap: wrap; }
.src-dot { font-size: 11px; padding: 3px 10px; border-radius: 20px; background: var(--panel2); color: var(--muted); }
.src-dot.active { background: var(--accent); color: #fff; }
.src-dot.failed { background: var(--err); color: #fff; text-decoration: line-through; }
.player-foot { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-top: 1px solid var(--border); }
.btn { padding: 8px 16px; border-radius: 8px; border: none; background: var(--accent); color: #fff; cursor: pointer; font-size: 14px; }
.btn:hover { opacity: .9; }
.p-status { font-size: 13px; color: var(--muted); }

/* 关于 */
.about-box { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 28px; max-width: 720px; }
.about-box h2 { margin-bottom: 12px; }
.about-box h3 { margin: 18px 0 8px; font-size: 15px; }
.about-box ul { padding-left: 20px; margin-bottom: 12px; }
.about-box li { margin: 4px 0; font-size: 14px; }
.legal { font-size: 12px; color: var(--muted); margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px; }
.loading { text-align: center; color: var(--muted); padding: 40px; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

@media (max-width: 640px) {
  .ch-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .search-box { max-width: 100%; order: 3; flex-basis: 100%; }
}