:root{--brand:#1f4e79;--brand-light:#2e5496;--bg:#f4f6fb;--card:#fff;--border:#e2e8f0;--text:#1e293b;--muted:#64748b}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--brand);color:#fff;padding:20px 0;flex-shrink:0}.sidebar h1{font-size:18px;padding:0 20px 16px;margin:0;border-bottom:1px solid hsla(0,0%,100%,.15)}.sidebar nav a{display:block;color:#dbe4f0;padding:11px 20px;font-size:14px;border-left:3px solid transparent}.sidebar nav a.active,.sidebar nav a:hover{background:hsla(0,0%,100%,.08);color:#fff;border-left-color:#fff}.main{flex:1 1;padding:24px 32px;overflow-x:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.topbar h2{margin:0;font-size:22px}.btn{background:var(--brand);color:#fff;border:none;padding:9px 16px;border-radius:6px;font-size:14px;cursor:pointer}.btn:hover{background:var(--brand-light)}.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--border)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:28px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px 20px}.card .label{color:var(--muted);font-size:13px;margin-bottom:6px}.card .value{font-size:26px;font-weight:700;color:var(--brand)}.panel{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;background:#f8fafc;color:var(--muted);font-weight:600}td,th{padding:11px 14px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:32px;width:340px}.login-box h1{color:var(--brand);font-size:22px;margin:0 0 4px}.login-box p{color:var(--muted);font-size:13px;margin:0 0 22px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;margin-bottom:5px;color:var(--muted)}.field input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px}.error{color:#c62828;font-size:13px;margin-bottom:12px}.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px}.badge.ok{background:#e6f4ea;color:#2e7d32}.badge.no{background:#fdeaea;color:#c62828}