:root{--bg:#f2f4f8;--card:#fff;--card-border:#e6e9f0;--text:#1b2333;--text-2:#7a8499;--text-3:#a3adc2;--primary:#2f6bff;--primary-soft:#eaf0ff;--success:#22c55e;--success-soft:#e7f9ee;--warning:#f59e0b;--warning-soft:#fff4e0;--danger:#ef4444;--danger-soft:#fdecec;--purple-soft:#f1ecfe;--shadow:0 10px 30px -12px #1f2d512e;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;color:var(--text);font:14px/1.5 var(--sans);-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);-webkit-tap-highlight-color:transparent;min-height:100vh}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:none}input,select,textarea{font:inherit;color:inherit}#root{min-height:100vh}.admin-shell{min-height:100vh;display:flex}.sidebar{color:#cdd6f2;background:linear-gradient(#0f1b3d 0%,#14295c 100%);flex-direction:column;flex-shrink:0;width:220px;height:100vh;display:flex;position:sticky;top:0}.sidebar-brand{border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding:20px 18px;display:flex}.sidebar-logo{color:#fff;background:#2f6bff;border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.sidebar-brand h1{color:#fff;font-size:16px;font-weight:700}.sidebar-brand p{color:#8ea0cc;font-size:11px}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.nav-item{color:#b9c6ea;border-radius:9px;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:10px 12px;font-size:13.5px;transition:background .15s,color .15s;display:flex}.nav-item:hover{color:#fff;background:#ffffff12}.nav-item.active{color:#fff;background:#2f6bff;font-weight:600}.sidebar-foot{color:#8ea0cc;cursor:pointer;border-top:1px solid #ffffff14;align-items:center;gap:8px;padding:14px 16px;font-size:12px;display:flex}.sidebar-foot:hover{color:#fff}.admin-main{flex-direction:column;flex:1;min-width:0;max-height:100vh;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--card-border);background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex}.topbar-title{font-size:17px;font-weight:700}.topbar-user{color:var(--text-2);align-items:center;gap:10px;font-size:13px;display:flex}.topbar-avatar{background:linear-gradient(135deg, var(--primary), #5b8bff);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:600;display:flex}.content{flex:1;padding:24px;overflow-y:auto}.page{flex-direction:column;gap:18px;display:flex}.stat-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;display:grid}.stat-card{background:var(--card);border:1px solid var(--card-border);box-shadow:var(--shadow);border-radius:14px;align-items:flex-start;gap:14px;padding:18px;display:flex}.stat-icon{border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;display:flex}.stat-value{font-size:24px;font-weight:800;line-height:1.1}.stat-label{color:var(--text-2);margin-top:3px;font-size:12.5px}.stat-sub{color:var(--text-3);margin-top:4px;font-size:11px}.card{background:var(--card);border:1px solid var(--card-border);box-shadow:var(--shadow);border-radius:14px;padding:18px}.card-title{justify-content:space-between;align-items:center;margin-bottom:14px;font-size:14.5px;font-weight:700;display:flex}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:var(--text-2);border-bottom:1px solid var(--card-border);white-space:nowrap;padding:10px 12px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--card-border);white-space:nowrap;padding:10px 12px}tr:last-child td{border-bottom:none}.badge{border-radius:999px;align-items:center;padding:2px 9px;font-size:11.5px;font-weight:600;display:inline-flex}.badge-green{background:var(--success-soft);color:#15803d}.badge-orange{background:var(--warning-soft);color:#b45309}.badge-red{background:var(--danger-soft);color:#b91c1c}.badge-blue{background:var(--primary-soft);color:#1d4ed8}.badge-gray{color:#6b7280;background:#eef0f4}.badge-purple{background:var(--purple-soft);color:#6d28d9}.btn{border:1px solid var(--card-border);background:#fff;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.btn:hover{border-color:var(--primary);color:var(--primary)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{color:#fff;background:#2459e0}.btn-danger{color:var(--danger);border-color:#f3c3c3}.btn-danger:hover{background:var(--danger-soft)}.btn-sm{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}input.field,select.field,textarea.field{border:1px solid var(--card-border);background:#fff;border-radius:8px;outline:none;padding:8px 12px;font-size:13px;transition:border-color .15s}input.field:focus,select.field:focus,textarea.field:focus{border-color:var(--primary)}textarea.field{resize:vertical;min-height:80px}.form-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.form-field{flex-direction:column;gap:5px;display:flex}.form-field label{color:var(--text-2);font-size:12px;font-weight:600}.modal-mask{z-index:50;background:#0f1b3d73;justify-content:center;align-items:flex-start;padding:60px 20px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;width:100%;max-width:520px;padding:22px;box-shadow:0 20px 60px #0f1b3d4d}.modal-title{margin-bottom:16px;font-size:16px;font-weight:700}.empty{text-align:center;color:var(--text-3);padding:30px 0;font-size:13px}.chart-bars{align-items:flex-end;gap:12px;height:180px;padding-top:8px;display:flex}.chart-col{flex-direction:column;flex:1;align-items:center;gap:6px;min-width:0;display:flex}.chart-inner{align-items:flex-end;gap:4px;width:100%;max-width:46px;height:140px;display:flex}.chart-bar{border-radius:5px 5px 0 0;flex:1;min-width:6px;transition:height .3s}.chart-bar.msg{background:#2f6bff}.chart-bar.appr{background:#22c55e}.chart-label{color:var(--text-3);white-space:nowrap;font-size:11px}.legend{color:var(--text-2);gap:16px;margin-top:8px;font-size:12px;display:flex}.legend span{align-items:center;gap:6px;display:inline-flex}.dot{border-radius:3px;width:9px;height:9px;display:inline-block}.login-screen{background:linear-gradient(160deg,#0f1b3d 0%,#14295c 55%,#22346e 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-brand{color:#fff;text-align:center;margin-bottom:28px}.login-logo{color:#fff;background:#2f6bff;border-radius:16px;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 14px;display:flex}.login-brand h1{font-size:26px;font-weight:800}.login-brand p{color:#9db0d8;margin-top:6px;font-size:13px}.login-card{background:#fff;border-radius:16px;flex-direction:column;gap:14px;width:100%;max-width:380px;padding:26px;display:flex;box-shadow:0 20px 60px #00000059}.login-card input.field{width:100%;padding:11px 14px}.login-btn{background:var(--primary);color:#fff;border-radius:9px;padding:11px;font-size:14px;font-weight:700}.login-btn:hover{background:#2459e0}.login-error{background:var(--danger-soft);color:#b91c1c;border-radius:8px;align-items:center;gap:8px;padding:9px 12px;font-size:12.5px;display:flex}.login-hint{color:var(--text-3);text-align:center;font-size:12px}.login-hint code{background:#eef0f4;border-radius:4px;padding:1px 5px}.section-cols{grid-template-columns:1fr 1fr;gap:18px;display:grid}@media (width<=980px){.section-cols{grid-template-columns:1fr}}.avatar-mini{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:inline-flex}.dept-row{align-items:center;gap:8px;padding:6px 0;display:flex}.toast{color:#fff;z-index:100;background:#1b2333;border-radius:9px;padding:10px 18px;font-size:13px;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #0000004d}