:root{--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--success: #16a34a;--bg: #f4f6f9;--card: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:#111827;color:#e5e7eb;padding:16px 0;flex-shrink:0}.sidebar h1{font-size:16px;padding:0 16px;margin-bottom:20px}.sidebar nav a{display:block;padding:10px 16px;font-size:14px;color:#cbd5e1;border-left:3px solid transparent}.sidebar nav a.active,.sidebar nav a:hover{background:#1f2937;color:#fff;border-left-color:var(--primary)}.sidebar .user-box{padding:12px 16px;margin-top:12px;border-top:1px solid #1f2937;font-size:12px;color:#94a3b8}.main{flex:1;padding:20px;max-width:100%;overflow-x:auto}.topbar{display:none}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}h2{margin-top:0}.btn{display:inline-block;padding:8px 14px;border-radius:6px;border:none;background:var(--primary);color:#fff;cursor:pointer;font-size:14px}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#64748b}.btn.danger{background:var(--danger)}.btn.success{background:var(--success)}.btn:disabled{opacity:.6;cursor:not-allowed}.input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;margin-bottom:10px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left}th{color:var(--text-muted);font-weight:600}.badge{padding:2px 8px;border-radius:999px;font-size:12px}.badge.in{background:#dcfce7;color:#166534}.badge.out{background:#fee2e2;color:#991b1b}.badge.admin{background:#dbeafe;color:#1e3a8a}.badge.staff{background:#f1f5f9;color:#334155}.badge.low{background:#fef3c7;color:#92400e}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stat{text-align:center}.stat .num{font-size:28px;font-weight:700}.stat .label{color:var(--text-muted);font-size:13px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb)}.auth-box{width:100%;max-width:380px;background:#fff;padding:28px;border-radius:12px}.error-text{color:var(--danger);font-size:13px;margin:4px 0 10px}.success-text{color:var(--success);font-size:13px;margin:4px 0 10px}.label-sheet{display:flex;flex-wrap:wrap;gap:10px}.label-item{border:1px dashed #94a3b8;padding:8px;width:220px;text-align:center;font-size:12px}@media (max-width: 800px){.app-shell{flex-direction:column}.sidebar{display:none}.sidebar.open{display:block;width:100%}.topbar{display:flex;align-items:center;justify-content:space-between;background:#111827;color:#fff;padding:12px 16px}.grid-2,.grid-3{grid-template-columns:1fr}.main{padding:12px}}