:root{--primary: #2563eb;--primary-dk: #1d4ed8;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--danger: #ef4444;--success: #22c55e;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:0;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{padding:20px 20px 16px;font-size:20px;font-weight:700;color:var(--primary);border-bottom:1px solid var(--border)}.sidebar-logo span{font-weight:400;color:var(--text-muted);font-size:12px;display:block}.sidebar-nav{flex:1;padding:12px 0}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text-muted);cursor:pointer;border-left:3px solid transparent;transition:all .15s;text-decoration:none;font-size:14px}.nav-item:hover{background:var(--bg);color:var(--text);text-decoration:none}.nav-item.active{color:var(--primary);background:#eff6ff;border-left-color:var(--primary);font-weight:500}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}.sidebar-footer strong{display:block;color:var(--text)}.main{margin-left:220px;flex:1;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.topbar h1{font-size:17px;font-weight:600}.page{padding:28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:600;font-size:14px;display:flex;align-items:center;justify-content:space-between}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}.stat-card .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-card .value{font-size:28px;font-weight:700;margin-top:4px;color:var(--primary)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{padding:10px 14px;text-align:left;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--border);background:#f8fafc}td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:#f8fafc}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:500}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-green{background:#dcfce7;color:#15803d}.badge-yellow{background:#fef9c3;color:#a16207}.badge-red{background:#fee2e2;color:#b91c1c}.badge-gray{background:#f1f5f9;color:#475569}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;border:none;cursor:pointer;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dk)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px;width:380px;box-shadow:var(--shadow)}.login-box h1{font-size:22px;margin-bottom:4px}.login-box p{color:var(--text-muted);font-size:14px;margin-bottom:28px}.error-msg{color:var(--danger);font-size:13px;margin-bottom:12px}.filters{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.filters input,.filters select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;background:var(--surface);outline:none}.filters input:focus,.filters select:focus{border-color:var(--primary)}.empty{text-align:center;padding:48px;color:var(--text-muted);font-size:14px}.loader{text-align:center;padding:40px;color:var(--text-muted);font-size:14px}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}