:root{--red: #c8102e;--red-dark: #a10d25;--navy: #1a2233;--navy-2: #232d42;--bg: #f4f6fb;--card: #ffffff;--border: #e4e8f0;--text: #1c2434;--muted: #8a94a6}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--text)}h1{font-size:22px;margin:0}h2{margin:0 0 12px}h3{margin:0 0 12px;font-size:15px}a{color:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--navy);color:#cdd5e4;flex-shrink:0;padding:18px 0}.brand{display:flex;align-items:center;gap:10px;padding:0 20px 18px}.brand-mark{color:var(--red);font-weight:800;font-size:20px}.brand-text{font-weight:700;color:#fff;font-size:14px}.nav-group{margin-top:14px}.nav-group-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#6c7690;padding:0 20px 6px}.nav-link{display:block;padding:9px 20px;color:#cdd5e4;text-decoration:none;font-size:14px;border-left:3px solid transparent}.nav-link:hover{background:var(--navy-2);color:#fff}.nav-link.active{background:var(--navy-2);color:#fff;border-left-color:var(--red)}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:58px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.topbar-user{display:flex;align-items:center;gap:14px}.content{padding:24px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.page-actions{display:flex;gap:10px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:8px}.stat{text-align:center}.stat-value{font-size:28px;font-weight:800;color:var(--navy)}.stat-label{color:var(--muted);font-size:13px;margin-top:4px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:900px){.two-col{grid-template-columns:1fr}.sidebar{width:200px}}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:2px solid var(--border);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table td{padding:10px;border-bottom:1px solid var(--border)}.table tr:last-child td{border-bottom:none}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.mono{font-family:ui-monospace,monospace;font-size:12px;color:var(--muted)}input,select{padding:8px 10px;border:1px solid var(--border);border-radius:7px;font-size:14px;background:#fff;color:var(--text)}input:focus,select:focus{outline:none;border-color:var(--red)}.form-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.form-row input{flex:1;min-width:120px}.btn{padding:8px 14px;border-radius:7px;border:1px solid transparent;font-size:13px;cursor:pointer;background:#eef1f7;color:var(--text)}.btn:hover{filter:brightness(.97)}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark)}.btn-ghost{background:transparent;border-color:var(--border)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;background:#eef1f7}.badge-warn{background:#fdf0d5;color:#8a5a00}.badge-info{background:#e3edfb;color:#1c4f8f}.badge-ok{background:#e3f5e8;color:#1c6b34}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#10162273;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--card);border-radius:12px;padding:22px;width:100%;max-width:460px;box-shadow:0 18px 50px #00000040}.code-panel{border:2px solid var(--red)}.code-value{font-family:Consolas,SF Mono,ui-monospace,monospace;font-size:40px;font-weight:700;letter-spacing:10px;color:var(--red);-webkit-user-select:all;user-select:all}.muted{color:var(--muted)}.error{color:var(--red);font-size:13px;margin:8px 0}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),#0e1420)}.login-card{background:#fff;border-radius:14px;padding:34px;width:340px;display:flex;flex-direction:column}.login-card label{font-size:13px;color:var(--muted);margin:12px 0 5px}.login-brand{color:var(--red);font-weight:800;font-size:22px;text-align:center;margin-bottom:6px}.login-card h2{text-align:center;font-size:16px;margin-bottom:8px}.login-card .btn{margin-top:18px}