:root{--blue: #4A90E2;--blue-dark: #3B72B5;--blue-light: #DCEBFA;--green: #7BC96F;--green-dark: #5FA855;--bg: #F4F7FB;--card: #FFFFFF;--border: #E1E7EF;--text: #2D2D2D;--text-secondary: #6E7A8A;--danger: #E94E77;--warning: #F5C542;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:linear-gradient(180deg,var(--blue-dark),var(--blue));color:#fff;padding:20px 14px;flex-shrink:0}.sidebar-brand{display:flex;align-items:center;gap:10px;margin-bottom:28px;padding:0 6px}.sidebar-brand img{width:36px;height:36px}.sidebar-brand span{font-size:20px;font-weight:800}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;margin-bottom:4px;color:#ffffffe0;font-weight:600;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#ffffff2e;color:#fff}.sidebar-footer{margin-top:auto;padding-top:20px}.main{flex:1;padding:28px 32px}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-subtitle{color:var(--text-secondary);margin:0 0 22px;font-size:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 2px 6px #0000000a}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{display:flex;flex-direction:column;gap:6px}.stat-card .value{font-size:26px;font-weight:800;color:var(--blue-dark)}.stat-card .label{color:var(--text-secondary);font-size:13px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:600;font-size:12px;text-transform:uppercase}.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:700}.badge-green{background:#e4f5e1;color:var(--green-dark)}.badge-red{background:#fce4ea;color:var(--danger)}.badge-gray{background:#eceff3;color:var(--text-secondary)}.btn{border:none;border-radius:8px;padding:8px 14px;font-weight:700;font-size:13px;cursor:pointer}.btn-blue{background:var(--blue);color:#fff}.btn-green{background:var(--green);color:#fff}.btn-red{background:var(--danger);color:#fff}.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text)}.btn+.btn{margin-left:6px}.input{border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;width:100%}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue-light),#E9F7E4)}.login-card{width:360px}.login-card .title-bar{background:var(--blue);color:#fff;padding:12px 16px;border-radius:12px 12px 0 0;font-weight:700}.login-card .body{background:#fff;padding:22px;border-radius:0 0 12px 12px;border:1px solid var(--border);border-top:none}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:5px}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center}.toolbar .input{max-width:280px}