:root{--ink:#172033;--muted:#6b7280;--line:#e5e7eb;--bg:#f4f6f9;--card:#fff;--primary:#2457d6;--nav:#10192b;--success:#138a55;--danger:#c9363e}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--nav);color:#dbe3f4;padding:24px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-size:19px;font-weight:700;padding:0 8px 28px}.brand img{width:36px;height:36px;object-fit:contain}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--primary)}nav{display:grid;gap:6px}nav a{padding:11px 12px;text-decoration:none;border-radius:8px}nav a:hover{background:#1b2944;color:white}.sidebar-user{margin-top:auto;display:grid;gap:4px;padding:12px}.sidebar-user small{color:#8291ac}.sidebar-user a{color:#9eb8ff;margin-top:6px}main{margin-left:240px;min-height:100vh;padding:0 28px 40px}.topbar{height:92px;display:flex;align-items:center;justify-content:space-between}.topbar h1{margin:0;font-size:24px}.topbar p{margin:3px 0 0;color:var(--muted)}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 2px 8px #1018280a}.metric strong{display:block;font-size:28px;margin-top:5px}.muted{color:var(--muted)}.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:16px}.btn{border:0;border-radius:8px;background:var(--primary);color:white;padding:10px 14px;text-decoration:none;cursor:pointer;display:inline-block;font-weight:600}.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}table{width:100%;border-collapse:collapse;background:white;border-radius:12px;overflow:hidden}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;color:var(--muted);background:#fafbfc}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef2ff;color:#354fbc;font-size:12px}.badge.ok{background:#e8f7ef;color:#137048}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}label{font-weight:600}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cfd5df;border-radius:8px;background:white;font:inherit}textarea{min-height:90px}.actions{display:flex;gap:10px;margin-top:20px}.alert{padding:12px 15px;border-radius:8px;margin-bottom:16px;background:#e8f7ef;color:#126a43}.alert.error{background:#ffeaec;color:#9c2930}.tabs{display:flex;gap:8px;margin-bottom:18px}.tabs a{padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:white;text-decoration:none}.detail-list{display:grid;grid-template-columns:180px 1fr;gap:10px}.qr-box{display:grid;place-items:center;background:white;padding:20px;border:1px solid var(--line);border-radius:12px}.empty{text-align:center;color:var(--muted);padding:34px}.login{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#10192b,#2457d6)}.login-card{width:min(420px,92vw);background:white;padding:32px;border-radius:16px}.login-card h1{margin-top:0}.login-card .field{margin:14px 0}@media(max-width:900px){.sidebar{position:static;width:auto}.sidebar nav{grid-template-columns:repeat(2,1fr)}.sidebar-user{display:none}main{margin:0}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.topbar{height:auto;padding:22px 0}}