:root{--panel:#121722;--panel2:#171d2a;--text:#eef2ff;--muted:#9da8c3;--line:#273049;--accent:#c8a96b}*{box-sizing:border-box}body{margin:0;font:15px/1.5 Inter,Arial,sans-serif;background:linear-gradient(180deg,#090b10,#0f1420);color:var(--text)}a{color:inherit;text-decoration:none}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{padding:28px 18px;border-right:1px solid var(--line);background:rgba(10,13,19,.82)}.brand{font-size:22px;font-weight:700;margin-bottom:22px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:10px 12px;border-radius:12px;color:var(--muted)}.sidebar nav a:hover{background:var(--panel);color:#fff}.content{padding:30px}.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:20px;padding:22px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.btn{display:inline-block;padding:10px 14px;border-radius:12px;background:var(--accent);color:#111;font-weight:700;border:0;cursor:pointer}.btn.secondary{background:#20283a;color:#fff}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left}input,textarea,select{width:100%;padding:12px;border-radius:12px;background:#0d1220;border:1px solid var(--line);color:#fff}textarea{min-height:120px}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:1fr 1fr}.muted{color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{padding:18px;border-radius:18px;background:#111827;border:1px solid var(--line)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-box{width:min(460px,100%)}