:root{--bg:#0d0612;--panel:#171020;--txt:#fff;--muted:#beaecd;--gold:#f4c76b;--line:rgba(255,255,255,.12)}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#0d0612;color:var(--txt)}.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.side{background:#120a19;border-right:1px solid var(--line);padding:24px;position:sticky;top:0;height:100vh}.brand{font-family:Georgia,serif;font-size:24px;margin-bottom:28px}.brand span{color:var(--gold)}.side a{display:block;color:var(--muted);padding:12px;border-radius:12px;margin:4px 0;text-decoration:none}.side a:hover{background:#21122f;color:#fff}.main{padding:30px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.panel{background:#171020;border:1px solid var(--line);border-radius:18px;padding:20px}.card b{font-size:30px;color:var(--gold)}table{width:100%;border-collapse:collapse;background:#171020;border-radius:16px;overflow:hidden}td,th{padding:13px;border-bottom:1px solid var(--line);text-align:left}th{color:var(--gold)}input,select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);background:#0d0612;color:#fff;margin:6px 0 12px}.btn{border:0;background:linear-gradient(135deg,var(--gold),#ff75da);color:#18081b;border-radius:999px;padding:11px 16px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.msg{background:#13351d;border:1px solid #42d77d;padding:12px;border-radius:12px;margin-bottom:16px}@media(max-width:900px){.layout{grid-template-columns:1fr}.side{height:auto;position:relative}.cards,.grid2{grid-template-columns:1fr}}