:root{--bg:#f4f7fb;--dark:#0f172a;--muted:#64748b;--primary:#1f6feb;--card:#fff;--line:#e2e8f0;--danger:#dc2626;--success:#16a34a}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--dark)}a{color:var(--primary);text-decoration:none}.sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;background:#07111f;color:#fff;padding:24px}.brand{font-weight:800;letter-spacing:.08em;margin-bottom:28px}.brand span{font-size:12px;color:#94a3b8;letter-spacing:0}.sidebar nav a{display:block;color:#dbeafe;padding:11px 12px;border-radius:10px;margin:4px 0}.sidebar nav a:hover{background:#12233d}.content{margin-left:250px;padding:24px}.topbar{height:68px;background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;margin-bottom:18px}.topbar small{display:block;color:var(--muted);margin-top:3px}.login-content{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#07111f,#0f766e)}.login-card{background:#fff;border-radius:22px;padding:34px;width:min(430px,92vw);box-shadow:0 25px 80px rgba(0,0,0,.25)}.login-card h1{margin:0 0 8px}.login-card p{color:var(--muted);margin-bottom:24px}.panel,.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:18px}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.card span{display:block;color:var(--muted);font-size:14px}.card strong{font-size:34px}.two-col{display:grid;grid-template-columns:380px 1fr;gap:22px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.full{grid-column:1/-1}label{display:block;font-size:13px;font-weight:700;margin:10px 0 6px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;background:#fff}textarea{min-height:90px}.btn{border:0;border-radius:10px;background:var(--primary);color:#fff;padding:10px 14px;cursor:pointer;font-weight:700;display:inline-block}.btn.secondary{background:#334155}.btn.danger{background:var(--danger)}.btn.small{padding:7px 10px;font-size:12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px;vertical-align:top}th{font-size:12px;text-transform:uppercase;color:var(--muted)}small{color:var(--muted)}.badge,.chip{display:inline-block;border-radius:999px;padding:5px 9px;background:#e0f2fe;color:#075985;font-size:12px;font-weight:700}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.chip{background:#eef2ff;color:#3730a3}.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;font-weight:700}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.panel-head{display:flex;justify-content:space-between;align-items:center}.actions{display:flex;gap:6px;align-items:center}.actions form{display:inline}@media(max-width:900px){.sidebar{position:static;width:auto}.content{margin-left:0}.cards,.two-col,.form-grid{grid-template-columns:1fr}table{display:block;overflow:auto}.topbar{height:auto;gap:12px;padding:14px;align-items:flex-start}}