:root { --bg:#0b0f17; --card:#121a27; --muted:#9fb0c6; --text:#eaf1ff; --line:#203047; }
* { box-sizing:border-box; }
body { margin:0; font-family:system-ui, -apple-system, Segoe UI, Roboto, Arial; background:var(--bg); color:var(--text); }
a { color:inherit; text-decoration:none; }
.wrap { max-width:1200px; margin:0 auto; padding:18px; }

.topbar { position:sticky; top:0; z-index:10; background:rgba(11,15,23,.9); backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line); display:flex; gap:12px; align-items:center; justify-content:space-between; padding:12px 16px; }
.brand { font-weight:700; letter-spacing:.2px; }
.actions { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }

.btn { border:1px solid var(--line); background:transparent; color:var(--text); padding:10px 12px; border-radius:12px; cursor:pointer; }
.btn:hover { border-color:#33517a; }
.btn.primary { background:#1f6feb; border-color:#1f6feb; }
.btn.primary:hover { filter:brightness(1.05); }

.hint { color:var(--muted); margin:10px 0 16px; }

.grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(220px, 1fr)); gap:14px; }
.tile { position:relative; border:1px solid var(--line); border-radius:18px; overflow:hidden; background:var(--card); cursor:pointer; }
.tile img { width:100%; height:200px; object-fit:cover; display:block; }
.tile .meta { padding:10px 12px; }
.tile .title { font-weight:650; font-size:14px; }
.tile .sub { color:var(--muted); font-size:12px; margin-top:4px; }

.check { position:absolute; top:10px; left:10px; display:flex; align-items:center; gap:8px;
  background:rgba(0,0,0,.35); border:1px solid rgba(255,255,255,.08);
  padding:6px 10px; border-radius:999px; font-size:12px; }
.check input { transform:scale(1.1); }

.card { border:1px solid var(--line); background:var(--card); border-radius:18px; padding:16px; }
.form { display:grid; gap:10px; }
label { display:grid; gap:6px; color:var(--muted); font-size:13px; }
input, textarea { width:100%; padding:10px 12px; border-radius:12px; border:1px solid var(--line); background:#0e1522; color:var(--text); }
textarea { min-height:100px; resize:vertical; }
.alert { background:#3a1a1a; border:1px solid #6a2a2a; padding:10px 12px; border-radius:12px; margin-bottom:10px; }

/* Lightbox */
.lightbox { position:fixed; inset:0; display:none; background:rgba(0,0,0,.78); z-index:50; }
.lightbox.show { display:block; }
.lb-inner { max-width:1200px; margin:5vh auto; background:var(--card); border:1px solid var(--line); border-radius:20px;
  display:grid; grid-template-columns: 1.3fr .7fr; gap:0; overflow:hidden; }
.lb-media { background:#0a0f19; display:flex; align-items:center; justify-content:center; padding:16px; }
.lb-media img { max-width:100%; max-height:75vh; border-radius:14px; }
.lb-info { padding:16px; border-left:1px solid var(--line); }
.lb-info h2 { margin:0 0 8px; }
.lb-info p { margin:0 0 14px; color:var(--muted); }
.kv { display:grid; gap:10px; margin:14px 0; }
.kv div { display:flex; justify-content:space-between; gap:12px; border-top:1px dashed rgba(255,255,255,.08); padding-top:8px; }
.kv b { color:var(--muted); font-weight:600; }
.lb-close { position:absolute; right:20px; top:20px; padding:10px 12px; border-radius:12px; border:1px solid var(--line); background:rgba(18,26,39,.8); color:var(--text); cursor:pointer; }
@media (max-width: 900px) {
  .lb-inner { grid-template-columns: 1fr; }
  .lb-info { border-left:none; border-top:1px solid var(--line); }
}