:root{--primary:#1652f0;--primary-dark:#0b2e8a;--accent:#00c2a8;--ink:#0f1b33;--ink-soft:#5b6b86;--ink-faint:#9aa7be;--bg:#f4f7fe;--surface:#fff;--muted:#eef3fc;--border:#e3e8f1;--danger:#ef4444;--success:#12b76a;--radius:14px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}h1{margin:0;font-size:24px}h2{margin:0 0 4px;font-size:18px}h3{margin:0 0 8px;font-size:16px}.muted{color:var(--ink-soft);margin:4px 0 0;font-size:13px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;border-radius:10px;padding:9px 16px;font-size:14px;font-weight:600;transition:all .15s}.btn:hover{background:var(--muted)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.danger{color:var(--danger);border-color:#f3c7c7}.btn.danger:hover{background:#fdecec}.btn.small{border-radius:8px;margin-right:6px;padding:6px 10px;font-size:12.5px}.btn.block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed}.icon-btn{cursor:pointer;color:var(--ink-soft);background:0 0;border:none;font-size:18px}.input{border:1px solid var(--border);background:var(--surface);border-radius:10px;outline:none;width:100%;padding:10px 14px;font-size:14px}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1652f01f}.login-page{grid-template-columns:1.1fr 1fr;min-height:100%;display:grid}.login-hero{color:#fff;background:linear-gradient(135deg,#0b2e8a,#1652f0 55%,#00c2a8);flex-direction:column;justify-content:center;padding:64px 56px;display:flex}.login-hero h1{margin:18px 0 12px;font-size:40px}.login-hero p{opacity:.92;max-width:420px;font-size:16px;line-height:1.5}.brand-badge{background:#ffffff29;border-radius:18px;place-items:center;width:64px;height:64px;font-size:34px;display:grid}.login-card{background:var(--surface);border-radius:20px;align-self:center;width:min(420px,90%);margin:auto;padding:36px;box-shadow:0 20px 50px #0b2e8a14}.login-card label{margin:16px 0 6px;font-size:13px;font-weight:600;display:block}.shell{grid-template-columns:264px 1fr;min-height:100%;display:grid}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;padding:20px 16px;display:flex}.logo{align-items:center;gap:12px;padding:6px 8px 18px;display:flex}.logo-badge{background:linear-gradient(135deg,#1652f0,#00c2a8);border-radius:12px;place-items:center;width:42px;height:42px;font-size:22px;display:grid}.logo strong{font-size:15px;display:block}.logo small{color:var(--ink-faint);font-size:12px}.nav{flex-direction:column;flex:1;gap:4px;display:flex}.nav-group{color:var(--ink-faint);letter-spacing:.6px;margin:16px 10px 6px;font-size:11px;font-weight:700}.nav-item{color:var(--ink-soft);border-radius:10px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:500;display:flex}.nav-item:hover{background:var(--muted)}.nav-item.active{color:var(--primary);background:#1652f01a;font-weight:600}.sidebar-foot{border-top:1px solid var(--border);padding-top:14px}.user{align-items:center;gap:10px;margin-bottom:12px;display:flex}.user-avatar{background:var(--primary);color:#fff;text-transform:uppercase;border-radius:50%;place-items:center;width:38px;height:38px;font-weight:700;display:grid}.user-meta strong{font-size:13.5px;display:block}.user-meta small{color:var(--ink-faint);font-size:11.5px}.content{padding:28px 32px;overflow:auto}.page-head{justify-content:space-between;align-items:flex-start;margin-bottom:18px;display:flex}.toolbar{max-width:360px;margin-bottom:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card.no-pad{padding:0;overflow:hidden}.stat-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .15s}.stat-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px #0b2e8a14}.stat-icon{font-size:26px}.stat-value{margin-top:8px;font-size:30px;font-weight:800}.stat-label{color:var(--ink-soft);font-size:13px}.table{border-collapse:collapse;width:100%;font-size:14px}.table th{text-align:left;background:var(--muted);text-transform:uppercase;letter-spacing:.4px;color:var(--ink-soft);padding:14px 16px;font-size:12px}.table td{border-top:1px solid var(--border);padding:13px 16px}.table tr:hover td{background:#fafbff}.center{text-align:center;padding:28px}.badge{border-radius:20px;padding:3px 10px;font-size:12px;font-weight:600}.badge.on{color:var(--success);background:#e7f7ef}.badge.off{color:var(--ink-faint);background:#f0f2f7}.pager{justify-content:flex-end;align-items:center;gap:14px;margin-top:16px;display:flex}.alert{border-radius:10px;margin-bottom:14px;padding:11px 14px;font-size:13.5px}.alert.error{color:var(--danger);background:#fdecec;border:1px solid #f3c7c7}.modal-backdrop{z-index:50;background:#0f1b3373;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:18px;flex-direction:column;width:min(560px,100%);max-height:90vh;display:flex;box-shadow:0 24px 60px #00000040}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.modal-head h2{margin:0}.modal-body{padding:20px 24px;overflow:auto}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 24px;display:flex}.field{margin-bottom:14px}.field label{margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field .req{color:var(--danger);margin-left:3px}textarea.input{resize:vertical;font-family:inherit}.switch{color:var(--ink-soft);align-items:center;gap:10px;font-size:14px;display:flex}.switch input{width:18px;height:18px}@media (width<=900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.login-page{grid-template-columns:1fr}.login-hero{display:none}.stat-grid{grid-template-columns:repeat(2,1fr)}}