:root{
  --bg:#0b0d12; --panel:#161a23; --muted:#9aa7bf; --accent:#e53935; --accent-hover:#ff5252;
  --text:#ffffff; --chip-bg:#2b3140; --chip-text:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}
header{background:var(--panel);padding:12px 16px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50;border-bottom:1px solid #222a3a}
header img{height:40px;width:auto}
header h1{font-size:20px;margin:0;font-weight:700;letter-spacing:.3px}
.controls{display:flex;gap:10px;flex-wrap:wrap;margin:12px 16px 0 16px}
.input{flex:1;padding:12px 12px;border-radius:10px;border:1px solid #2b3550;background:#0f1320;color:var(--text)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:10px 16px 0 16px}
.chip{background:var(--chip-bg);color:var(--chip-text);border:1px solid #3a4765;border-radius:999px;padding:8px 12px;font-size:14px;cursor:pointer;transition:.2s}
.chip.active,.chip:hover{background:var(--accent);color:#fff;border-color:var(--accent-hover)}
main{padding:0 16px 24px 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:16px}
.card{background:var(--panel);border:1px solid #26324a;border-radius:14px;overflow:hidden}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0a0f1c}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb iframe,.thumb video{position:absolute;inset:0;width:100%;height:100%;display:block}
.play-btn{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.55);border:1px solid #2e3b63;color:#fff;padding:7px 10px;border-radius:8px;font-size:13px;cursor:pointer}
.meta{padding:12px}
.title{font-weight:700;line-height:1.3}
footer{padding:18px 16px;text-align:center;font-size:13px;color:var(--muted);border-top:1px solid #222a3a}
.empty{opacity:.8;border:1px dashed #33425f;border-radius:12px;padding:24px;text-align:center}