:root{--canvas: #f3f3f8;--surface: #ffffff;--stroke: rgba(0, 0, 0, .07);--ink: #0d0d1a;--ink-2: #5a5a70;--ink-3: #9494a8;--indigo: #0a84ff;--teal: #00c2d1;--violet: #9d5cf6;--mint: #0fa57e;--amber: #e58a0d;--coral: #e8506b;--sky: #0e93d6;--brand: linear-gradient(135deg, var(--indigo), var(--teal));--radius-card: 18px;--radius-el: 12px;--shadow-card: 0 2px 3px rgba(0, 0, 0, .04), 0 14px 34px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}h1{font-size:26px;font-weight:800;margin:0;letter-spacing:-.02em}h2{font-size:17px;font-weight:700;margin:0}button{font:inherit;cursor:pointer;border:none}input,select,textarea{font:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--stroke);display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;font-size:19px;font-weight:800}.brand-badge{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-el);color:var(--ink-2);text-decoration:none;font-weight:600;margin-bottom:2px}.nav-link:hover{background:#0a84ff12;color:var(--ink)}.nav-link.active{background:var(--brand);color:#fff}.sidebar-footer{margin-top:auto;border-top:1px solid var(--stroke);padding-top:14px;font-size:12.5px}.main{flex:1;padding:28px 34px;max-width:1120px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;gap:16px}.page-sub{color:var(--ink-2);margin-top:5px}.card{background:var(--surface);border:1px solid var(--stroke);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:22px}.stat-value{font-size:28px;font-weight:800;margin-top:10px}.stat-caption{color:var(--ink-3);font-size:12.5px;font-weight:600;margin-top:2px}.icon-badge{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:17px}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:10px 12px;border-bottom:1px solid var(--stroke)}td{padding:12px;border-bottom:1px solid var(--stroke)}tr:last-child td{border-bottom:none}tr:hover td{background:#0a84ff08}.field{width:100%;padding:10px 12px;border:1px solid var(--stroke);border-radius:var(--radius-el);background:var(--canvas);outline:none}.field:focus{border-color:var(--indigo);background:#fff}.btn{padding:10px 18px;border-radius:var(--radius-el);font-weight:700;background:var(--brand);color:#fff;transition:transform .12s ease,opacity .12s ease}.btn:hover{opacity:.92}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:default}.btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--stroke)}.btn-danger{background:#e8506b1a;color:var(--coral)}.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}.status-row{display:flex;gap:6px}.status-btn{padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:var(--canvas);color:var(--ink-2);border:1px solid var(--stroke)}.status-btn.active{color:#fff;border-color:transparent}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(420px at 12% 8%,rgba(10,132,255,.14),transparent),radial-gradient(460px at 88% 92%,rgba(0,194,209,.1),transparent),var(--canvas)}.login-card{width:380px;padding:32px}.login-card .field{margin-bottom:12px}.error-text{color:var(--coral);font-size:13px;font-weight:600;margin:4px 0 10px}.empty-state{text-align:center;color:var(--ink-2);padding:46px 20px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:12px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:#0a0f1e6b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:modal-fade .15s ease-out}@keyframes modal-fade{0%{opacity:0}to{opacity:1}}