*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--bg:#f1f5f9;--sidebar-bg:#1e293b;--sidebar-text:#cbd5e1;--sidebar-hover:#334155;--sidebar-active:#2563eb;--card-bg:#fff;--border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--radius:8px;--shadow:0 1px 3px #0000001a}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}.layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);width:220px;color:var(--sidebar-text);z-index:100;flex-direction:column;flex-shrink:0;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{color:#fff;border-bottom:1px solid #334155;padding:20px 16px;font-size:18px;font-weight:700}.sidebar-logo span{color:var(--sidebar-text);margin-top:2px;font-size:12px;font-weight:400;display:block}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.nav-item{color:var(--sidebar-text);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 16px;font-size:14px;text-decoration:none;transition:background .15s;display:flex}.nav-item:hover{background:var(--sidebar-hover);color:#fff}.nav-item.active{background:var(--sidebar-active);color:#fff}.nav-item svg{flex-shrink:0;width:18px;height:18px}.sidebar-footer{border-top:1px solid #334155;padding:12px 16px}.sidebar-user{color:var(--sidebar-text);margin-bottom:8px;font-size:13px}.sidebar-user strong{color:#fff;display:block}.main-content{flex-direction:column;flex:1;min-height:100vh;margin-left:220px;display:flex}.topbar{background:var(--card-bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 24px;display:flex}.topbar h1{font-size:20px;font-weight:600}.page-body{flex:1;padding:24px}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{margin-bottom:16px;font-size:16px;font-weight:600}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stat-value{color:var(--primary);font-size:28px;font-weight:700}.stat-label{color:var(--text-muted);margin-top:4px;font-size:13px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}th{color:var(--text-muted);background:#f8fafc;font-size:13px;font-weight:600}tr:hover td{background:#f8fafc}.table-actions{gap:8px;display:flex}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-secondary{background:var(--border);color:var(--text)}.btn-secondary:hover:not(:disabled){background:#cbd5e1}.btn-sm{padding:4px 10px;font-size:12px}.btn-ghost{color:var(--primary);border:1px solid var(--primary);background:0 0}.btn-ghost:hover{background:var(--primary);color:#fff}.form-group{margin-bottom:14px}.form-group label{color:var(--text-muted);margin-bottom:5px;font-size:13px;font-weight:500;display:block}.form-control{border:1px solid var(--border);border-radius:6px;outline:none;width:100%;padding:8px 10px;font-size:14px;transition:border-color .15s}.form-control:focus{border-color:var(--primary)}select.form-control{background:#fff}textarea.form-control{resize:vertical;min-height:80px}.form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-error{color:var(--danger);margin-top:6px;font-size:13px}.modal-backdrop{z-index:1000;background:#0006;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--card-bg);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 30px #0003}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{font-size:16px;font-weight:600}.modal-close{cursor:pointer;color:var(--text-muted);background:0 0;border:none;font-size:20px;line-height:1}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 20px;display:flex}.badge{border-radius:999px;align-items:center;padding:2px 8px;font-size:12px;font-weight:500;display:inline-flex}.badge-blue{color:#1d4ed8;background:#dbeafe}.badge-green{color:#15803d;background:#dcfce7}.badge-red{color:#b91c1c;background:#fee2e2}.badge-yellow{color:#a16207;background:#fef9c3}.badge-gray{color:#475569;background:#f1f5f9}.badge-purple{color:#6d28d9;background:#ede9fe}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.search-input{border:1px solid var(--border);border-radius:6px;outline:none;flex:1;min-width:200px;padding:8px 10px;font-size:14px}.search-input:focus{border-color:var(--primary)}.login-wrap{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--card-bg);border-radius:var(--radius);width:360px;padding:40px;box-shadow:0 4px 20px #0000001a}.login-title{margin-bottom:4px;font-size:22px;font-weight:700}.login-sub{color:var(--text-muted);margin-bottom:24px;font-size:14px}.pagination{justify-content:center;gap:6px;margin-top:16px;display:flex}.page-btn{border:1px solid var(--border);background:var(--card-bg);cursor:pointer;border-radius:5px;padding:5px 10px;font-size:13px}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.page-btn:disabled{opacity:.5;cursor:not-allowed}.detail-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;display:grid}.detail-item label{color:var(--text-muted);font-size:12px;display:block}.detail-item span{font-size:14px;font-weight:500}.dashboard-grid{grid-template-columns:repeat(2,1fr);gap:20px;margin-top:24px;display:grid}@media (width<=900px){.dashboard-grid,.form-row{grid-template-columns:1fr}}.text-muted{color:var(--text-muted)}.text-small{font-size:13px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mb-2{margin-bottom:8px}.empty-state{text-align:center;color:var(--text-muted);padding:40px 20px}.flex-between{justify-content:space-between;align-items:center;display:flex}.tabs{border-bottom:1px solid var(--border);gap:0;margin-bottom:20px;display:flex}.tab{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 18px;font-size:14px}.tab.active{border-bottom-color:var(--primary);color:var(--primary);font-weight:600}