:root{
  --bg:#0f1117; --card:#171a23; --line:#262b38; --text:#e8eaf0; --muted:#8a90a2;
  --accent:#7c5cff; --accent2:#a48bff; --ok:#22c55e; --err:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent2)}
.muted{color:var(--muted)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(15,17,23,.92);backdrop-filter:blur(8px);z-index:5}
.brand{font-weight:700;font-size:18px}
.top-right{display:flex;gap:14px;align-items:center}
.link{color:var(--muted);text-decoration:none}
.pill{padding:5px 12px;border-radius:999px;font-size:13px;background:#222736;cursor:pointer}
.pill.on{background:rgba(34,197,94,.15);color:#86efac}
.pill.off{background:rgba(239,68,68,.15);color:#fca5a5}

.layout{display:grid;grid-template-columns:400px 1fr;gap:20px;padding:20px 24px;max-width:1500px;margin:0 auto}
@media (max-width:900px){.layout{grid-template-columns:1fr;padding:12px}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.create{align-self:start;position:sticky;top:76px}
@media (max-width:900px){.create{position:static}}
h2{margin:0 0 14px;font-size:17px}

.drop{display:flex;align-items:center;justify-content:center;text-align:center;min-height:200px;border:2px dashed var(--line);border-radius:12px;cursor:pointer;overflow:hidden;color:var(--muted);transition:.15s}
.drop:hover,.drop.over{border-color:var(--accent);background:rgba(124,92,255,.06)}
.drop img{max-width:100%;max-height:320px;display:block}
.lbl{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
textarea,select,input[type=password]{width:100%;background:#0f1218;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;resize:vertical}
textarea:focus,select:focus,input:focus{outline:none;border-color:var(--accent)}
details{margin-top:10px}
details summary{cursor:pointer;color:var(--muted);font-size:13px;margin-bottom:6px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#222736;color:var(--text);border-radius:10px;padding:8px 14px;font:inherit;cursor:pointer;text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--accent),#5b8cff);border:none;font-weight:600}
.btn.big{width:100%;padding:13px;margin-top:16px;font-size:16px}
.btn:disabled{opacity:.6;cursor:wait}
.btn.small{padding:5px 10px;font-size:13px}
.btn.ghost{background:transparent}

.alert{margin-top:12px;padding:10px 12px;border-radius:10px;font-size:14px}
.alert.error{background:rgba(239,68,68,.12);color:#fca5a5}
.alert.ok{background:rgba(34,197,94,.12);color:#86efac}
.tips{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.5;border-top:1px solid var(--line);padding-top:12px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.item{background:#11141c;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.media{position:relative;background:#000;max-height:420px;width:100%;overflow:hidden}
.media img,.media video{width:100%;height:100%;object-fit:contain;display:block}
.overlay{position:absolute;inset:0;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;background:rgba(0,0,0,.55);font-size:14px}
.overlay.error{background:rgba(80,0,0,.55)}
.spin{width:28px;height:28px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.meta{padding:10px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.prompt{margin:0;font-size:13px;line-height:1.4}
.err{margin:0;font-size:12px;color:#fca5a5}
.actions{display:flex;align-items:center;gap:8px;margin-top:auto}
.actions small{margin-right:auto}

.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{width:340px;display:flex;flex-direction:column;gap:12px;text-align:center}
.login-card h1{margin:0;font-size:22px}