:root{--blue:#2563eb;--bg:#f6f8fb;--text:#172033;--muted:#64748b;--line:#dbe3ef;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue);text-decoration:none}.top{background:#fff;border-bottom:1px solid var(--line);padding:14px 22px;display:flex;justify-content:space-between;gap:16px;align-items:center;position:sticky;top:0}.top nav{display:flex;gap:12px;flex-wrap:wrap}.wrap{max-width:1180px;margin:24px auto;padding:0 18px}.foot{text-align:center;color:var(--muted);padding:32px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.stat{font-size:30px;font-weight:800}.muted{color:var(--muted)}.badge{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:999px;padding:4px 10px;margin-left:10px;font-size:12px}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;vertical-align:top}th{background:#f1f5f9}label{display:block;font-weight:600;margin:10px 0}input,select,textarea{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}textarea{min-height:100px}button,.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}.btn.secondary{background:#475569}.alert{padding:12px 14px;border-radius:12px;margin-bottom:18px}.alert.success{background:#ecfdf5;color:#065f46}.alert.error{background:#fef2f2;color:#991b1b}.actions{display:flex;gap:10px;flex-wrap:wrap}.login{max-width:460px;margin:60px auto}.pill{display:inline-block;padding:3px 8px;border-radius:999px;background:#e0f2fe;color:#075985;font-size:12px} @media(max-width:700px){.top{display:block}.top nav{margin-top:10px}.wrap{margin-top:14px}table{font-size:14px}}

.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:16px 0}.video-card{background:#0f172a;border-radius:16px;overflow:hidden;position:relative;min-height:260px;box-shadow:0 10px 30px rgba(15,23,42,.16)}.video-card video{width:100%;height:320px;object-fit:cover;background:#111827;display:block}.video-label{position:absolute;left:12px;bottom:12px;background:rgba(15,23,42,.72);color:#fff;border-radius:999px;padding:6px 12px;font-size:13px}.secondary{background:#475569}.danger{background:#dc2626}details input{margin-top:10px;width:100%}