:root{--bg: #0a0f1a;--panel: #10192d;--text: #e5ecff;--muted: #9fb0d0;--border: #2a3450;--accent: #2a5bd7;--green: #8be78b;--red: #ff6b6b}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}.layout{display:grid;grid-template-columns:280px 1fr;height:100vh}.sidebar{border-right:1px solid var(--border);padding:16px;overflow:auto}.main{display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:#0c1222}.card{border:1px solid var(--border);background:var(--panel);padding:12px;border-radius:12px}.grid{display:grid;gap:8px}.btn{background:transparent;color:var(--text);border:1px solid var(--border);padding:8px 10px;border-radius:10px;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);border-color:var(--accent)}.input,.select,.file{border:1px solid var(--border);background:#0b1120;color:var(--text);padding:8px 10px;border-radius:10px}.muted{color:var(--muted)}.tag{display:inline-block;border:1px solid var(--border);padding:2px 8px;border-radius:999px;font-size:12px}.success{color:var(--green)}.danger{color:var(--red)}.sp{height:6px}.card h2{margin-top:0}