*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-w:220px;--topbar-h:56px;--bg:#f4f6f9;--surface:#fff;--sidebar-bg:#1a2540;--sidebar-text:#c8d3e8;--sidebar-active:#fff;--sidebar-active-bg:#ffffff1f;--accent:#2563eb;--accent-hover:#1d4ed8;--text:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--danger:#dc2626;--success:#16a34a;--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}.layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);z-index:100;flex-direction:column;height:100vh;display:flex;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid #ffffff14;padding:20px 20px 16px}.sidebar-logo h2{color:#fff;font-size:18px;font-weight:700}.sidebar-logo span{color:var(--sidebar-text);font-size:11px}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.nav-item{color:var(--sidebar-text);cursor:pointer;border-left:3px solid #0000;align-items:center;gap:10px;padding:10px 20px;font-size:13.5px;transition:all .15s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0f}.nav-item.active{color:var(--sidebar-active);background:var(--sidebar-active-bg);border-left-color:var(--accent);font-weight:500}.nav-item svg{flex-shrink:0;width:16px;height:16px}.main{margin-left:var(--sidebar-w);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:50;box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:0 24px;display:flex;position:sticky;top:0}.topbar-title{font-size:16px;font-weight:600}.topbar-user{align-items:center;gap:12px;display:flex}.topbar-user span{color:var(--text-muted);font-size:13px}.page{flex:1;padding:24px}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-header h3{font-size:15px;font-weight:600}.card-body{padding:20px}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:6px;padding:7px 14px;font-size:13.5px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-sm{padding:4px 10px;font-size:12.5px}.btn:disabled{opacity:.5;cursor:not-allowed}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border);background:#f8fafc;padding:10px 14px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px 14px;font-size:13.5px}tr:last-child td{border-bottom:none}tr:hover td{background:#f8fafc}.form-group{margin-bottom:16px}label{color:var(--text-muted);margin-bottom:5px;font-size:12.5px;font-weight:500;display:block}input,select,textarea{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);border-radius:6px;padding:8px 12px;font-size:13.5px;transition:border .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:80px}.form-row{gap:16px;display:grid}.form-row.cols-2{grid-template-columns:1fr 1fr}.form-row.cols-3{grid-template-columns:1fr 1fr 1fr}.login-page{background:linear-gradient(135deg,#1a2540 0%,#2563eb 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border-radius:12px;width:100%;max-width:380px;padding:40px;box-shadow:0 20px 60px #0000004d}.login-card h1{margin-bottom:4px;font-size:22px;font-weight:700}.login-card p{color:var(--text-muted);margin-bottom:28px;font-size:13px}.badge{border-radius:999px;padding:2px 8px;font-size:11.5px;font-weight:500;display:inline-block}.badge-green{color:#15803d;background:#dcfce7}.badge-blue{color:#1d4ed8;background:#dbeafe}.badge-yellow{color:#854d0e;background:#fef9c3}.badge-red{color:#991b1b;background:#fee2e2}.badge-gray{color:#475569;background:#f1f5f9}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header h2{font-size:20px;font-weight:700}.search-bar{gap:10px;margin-bottom:16px;display:flex}.search-bar input{max-width:280px}.empty{text-align:center;color:var(--text-muted);padding:48px}.error-msg{color:var(--danger);background:#fee2e2;border-radius:6px;margin-bottom:16px;padding:10px 14px;font-size:13px}.modal-overlay{z-index:200;background:#00000073;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-header h3{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:10px;padding:16px 20px;display:flex}.stats-row{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-card .stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:500}.stat-card .stat-value{margin-top:4px;font-size:24px;font-weight:700}.pagination{border-top:1px solid var(--border);align-items:center;gap:8px;padding:14px 20px;display:flex}.pagination span{color:var(--text-muted);font-size:13px}