:root{--bg:#0b0f14;--card:#121824;--text:#eaf2ff;--muted:#9bb0c3;--accent:#87b0ff;--danger:#ff7a7a;--ok:#62d39b;}
*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;}
a{color:var(--accent);text-decoration:none}
nav{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid #1e2635}
nav .brand{display:flex;align-items:center;gap:10px;font-weight:700}
nav .links a{margin-left:16px}
.container{max-width:980px;margin:32px auto;padding:0 16px}
.card{background:var(--card);border:1px solid #1b2433;border-radius:12px;padding:18px 20px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
h1{font-size:28px;margin:10px 0 8px}
h2{font-size:22px;margin:0 0 10px}
.btn{background:var(--accent);color:#08101c;border:none;border-radius:10px;padding:12px 16px;font-weight:700;cursor:pointer}
.btn:disabled{opacity:.6;cursor:default}
.input, textarea{width:100%;padding:12px;border:1px solid #22304a;border-radius:10px;background:#0f1522;color:var(--text);outline:none}
.row{display:flex;gap:14px;flex-wrap:wrap}
.alert{border-radius:10px;padding:12px 14px;margin-top:12px}
.alert.err{background:#2a1214;border:1px solid #7a2a2f;color:#ffc7c7}
.alert.ok{background:#122a21;border:1px solid #23523f;color:#c3ffdf}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.item{border:1px solid #1b2638;border-radius:10px;overflow:hidden;background:#0f1522}
.item img{display:block;width:100%;height:150px;object-fit:cover;background:#0b0f14}
.item .meta{padding:10px 12px;font-size:12px;color:var(--muted)}
.small{font-size:13px;color:var(--muted)}
.center{display:flex;align-items:center;justify-content:center}
footer{padding:40px 0;color:#5a7088;text-align:center}
hr{border:0;border-top:1px solid #1c2636;margin:20px 0}