:root{
  --bg:#0d1117;--panel:rgba(22,27,34,.78);--panel2:rgba(13,17,23,.9);--text:#e6edf3;--muted:#8b949e;--border:rgba(139,148,158,.22);--accent:#58a6ff;--accent2:#7c3aed;--ok:#2ea043;--warn:#d29922;--danger:#f85149;--shadow:0 24px 80px rgba(0,0,0,.35)
}
[data-theme="light"]{--bg:#f4f7fb;--panel:rgba(255,255,255,.84);--panel2:#fff;--text:#172033;--muted:#657083;--border:rgba(40,50,70,.15);--accent:#0969da;--accent2:#8250df;--shadow:0 24px 80px rgba(31,45,61,.14)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:radial-gradient(circle at top left,rgba(88,166,255,.18),transparent 34%),radial-gradient(circle at bottom right,rgba(124,58,237,.17),transparent 32%),var(--bg);color:var(--text)}
a{color:var(--accent);text-decoration:none}.bg-orb{position:fixed;filter:blur(64px);opacity:.45;z-index:-1}.orb-a{width:320px;height:320px;background:var(--accent);left:-90px;top:120px}.orb-b{width:300px;height:300px;background:var(--accent2);right:-80px;bottom:90px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid var(--border);backdrop-filter:blur(18px);position:sticky;top:0;background:rgba(13,17,23,.35);z-index:10}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--text);font-size:20px}.brand-icon,.auth-logo{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 12px 30px rgba(88,166,255,.24)}.nav-actions{display:flex;gap:10px;align-items:center}.container{width:min(1160px,calc(100% - 32px));margin:32px auto 80px}.glass-card{background:linear-gradient(180deg,var(--panel),rgba(22,27,34,.62));border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;backdrop-filter:blur(24px)}.hero.centered{display:flex;justify-content:center;align-items:center;margin-bottom:24px}.hero-copy{max-width:860px;width:100%;text-align:center;padding:36px}.hero-copy h1{font-size:clamp(34px,6vw,62px);line-height:1;margin:18px 0 12px;letter-spacing:-.045em}.hero-copy p{font-size:18px;color:var(--muted);margin:0 auto;max-width:720px}.pill{display:inline-flex;padding:8px 12px;border:1px solid var(--border);border-radius:999px;color:var(--accent);background:rgba(88,166,255,.08);font-weight:700;font-size:13px}.legal-note{font-size:13px!important;margin-top:16px!important}.grid-app{display:grid;grid-template-columns:1.6fr .8fr;gap:22px;align-items:start}.panel-main,.side-card,.admin-card{padding:24px}.input-row{display:flex;gap:12px}input,select{width:100%;padding:15px 16px;border-radius:16px;border:1px solid var(--border);background:var(--panel2);color:var(--text);font-size:15px;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(88,166,255,.12)}.btn{border:1px solid transparent;border-radius:15px;padding:13px 18px;font-weight:800;cursor:pointer;color:var(--text);background:var(--panel2);transition:transform .15s ease,opacity .15s ease,background .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}.btn.success{background:linear-gradient(135deg,#238636,#2ea043);color:#fff}.btn.danger{background:rgba(248,81,73,.14);color:#ffb4b0;border-color:rgba(248,81,73,.3)}.btn.ghost{border-color:var(--border);background:rgba(255,255,255,.04)}.btn.small{padding:8px 10px;border-radius:12px;font-size:13px}.btn.full{width:100%}.hint{min-height:26px;margin-top:10px;color:var(--muted)}.hidden{display:none!important}.video-box{display:grid;grid-template-columns:240px 1fr;gap:20px;margin-top:22px;padding-top:22px;border-top:1px solid var(--border)}#thumb{width:100%;border-radius:20px;object-fit:cover;aspect-ratio:16/9;border:1px solid var(--border)}.video-meta h2{margin:0 0 8px;font-size:24px}.video-meta label{display:block;margin:18px 0 14px;color:var(--muted);font-weight:700}.progress-box{margin-top:22px;padding:20px;border-radius:20px;background:rgba(88,166,255,.06);border:1px solid var(--border)}.progress-head{display:flex;justify-content:space-between;font-weight:800;margin-bottom:10px}.progress-track{height:13px;border-radius:999px;background:rgba(139,148,158,.18);overflow:hidden}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:999px;transition:width .25s ease}.muted{color:var(--muted)}.side-card h3{margin-top:0}.side-card li{margin:12px 0;color:var(--muted)}.status-chip{display:inline-flex;margin-top:12px;border-radius:999px;padding:8px 12px;font-weight:800}.status-chip.ok,.badge.ok,.flash.ok,.alert.ok{background:rgba(46,160,67,.14);color:#7ee787}.status-chip.warn,.badge.warn{background:rgba(210,153,34,.14);color:#f2cc60}.badge.danger{background:rgba(248,81,73,.14);color:#ffb4b0}.auth-shell{min-height:calc(100vh - 180px);display:grid;place-items:center}.auth-card{width:min(440px,100%);padding:34px}.auth-card h1{text-align:center;margin:16px 0 6px;font-size:38px;letter-spacing:-.04em}.auth-logo{margin:0 auto}.center{text-align:center}.small{font-size:14px}.form-stack{display:grid;gap:14px;margin-top:22px}.form-stack label{display:grid;gap:7px;color:var(--muted);font-weight:700}.alert,.flash{border-radius:16px;padding:12px 14px;margin:14px 0}.alert.error,.flash.error{background:rgba(248,81,73,.14);color:#ffb4b0}.flash-wrap{display:grid;gap:8px;margin-bottom:16px}.user-pill,.badge{border:1px solid var(--border);border-radius:999px;padding:8px 12px;color:var(--muted);font-weight:700}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-head h1{margin:0}.table-wrap{overflow:auto;margin-top:18px}table{width:100%;border-collapse:collapse}th,td{padding:14px 12px;border-bottom:1px solid var(--border);text-align:left}th{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em}.actions-cell{display:flex;gap:7px;flex-wrap:wrap}.actions-cell form{margin:0}.cleanup-form{margin:0}@media(max-width:860px){.grid-app{grid-template-columns:1fr}.input-row{flex-direction:column}.video-box{grid-template-columns:1fr}.topbar{padding:0 14px}.nav-actions{gap:6px}.user-pill{display:none}.hero-copy{padding:26px}.side-card{display:none}}