:root{
  --bg:#0f0f10; --fg:#f1f1f1; --muted:#9aa0a6;
  --card:#1a1a1d; --line:#2a2a2e; --accent:#fe2c55;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.5}
a{color:var(--fg);text-decoration:none}
a:hover{color:var(--accent)}
.muted{color:var(--muted)}
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:12px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;
  background:var(--bg);z-index:10}
.brand{font-weight:700;font-size:1.1rem}
.topbar nav a{margin-left:16px;color:var(--muted)}
.container{max-width:1280px;margin:0 auto;padding:24px 20px 64px}
.hero h1{margin:0 0 8px;font-size:1.6rem}
.hero p{margin:4px 0;color:var(--muted)}
.users{margin:24px 0}
.users h2{font-size:1rem;margin:0 0 8px;color:var(--muted)}
.user-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.user-list a{display:inline-block;padding:6px 10px;background:var(--card);
  border:1px solid var(--line);border-radius:999px;font-size:.85rem}

/* grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:16px;margin-top:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;display:flex;flex-direction:column}
.card .thumb{position:relative;display:block;aspect-ratio:9/16;
  background:#000;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .duration,.card .play-count{position:absolute;background:rgba(0,0,0,.7);
  color:#fff;font-size:.75rem;padding:2px 6px;border-radius:4px}
.card .duration{bottom:8px;right:8px}
.card .play-count{bottom:8px;left:8px}
.card .meta{padding:10px 12px;display:flex;flex-direction:column;gap:4px}
.card .author{color:var(--muted);font-size:.8rem}
.card .title{font-size:.92rem;line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden}

/* video page */
.player-wrap{display:grid;grid-template-columns:540px 1fr;gap:32px;margin-top:16px}
@media (max-width:900px){
  .player-wrap{grid-template-columns:1fr}
}
.player{background:#000;border-radius:12px;overflow:hidden;aspect-ratio:9/16;
  max-width:540px}
.player video{width:100%;height:100%;display:block;background:#000}
.info .title{font-size:1.15rem;line-height:1.4;margin:0 0 16px}
.info .author-block{display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--line);
  padding:10px 12px;border-radius:10px;margin-bottom:16px}
.info .avatar{border-radius:50%;width:48px;height:48px;object-fit:cover}
.info .stats{list-style:none;padding:0;display:flex;gap:16px;flex-wrap:wrap;
  margin:0 0 16px;color:var(--muted)}
.info .stats strong{color:var(--fg)}
.info .music{margin-bottom:12px;color:var(--muted)}
.info .external{color:var(--accent)}
.footer{padding:24px;text-align:center;color:var(--muted);
  border-top:1px solid var(--line)}