:root{--bg: #f5f7fa;--sidebar: #1a1f36;--sidebar-hover: #2a3050;--sidebar-active: #4f6ef7;--card: #ffffff;--text: #1a1f36;--text-secondary: #6b7280;--border: #e5e7eb;--primary: #4f6ef7;--primary-light: #eef1fe;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--info: #3b82f6;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:none;border-radius:8px;padding:8px 18px;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#3b5de7}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:5px 12px;font-size:12px}input,select,textarea{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:14px;width:100%;outline:none;transition:border .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card-title{font-size:16px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-info{background:#dbeafe;color:var(--info)}.badge-gray{background:#f3f4f6;color:#6b7280}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-weight:600;color:var(--text-secondary);font-size:13px;border-bottom:2px solid var(--border)}td{padding:12px 16px;border-bottom:1px solid var(--border)}tr:hover td{background:#f9fafb}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px}.stat-card .label{color:var(--text-secondary);font-size:13px;margin-bottom:8px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .change{font-size:12px;margin-top:6px}.stat-card .up{color:var(--success)}.stat-card .down{color:var(--danger)}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}.text-secondary{color:var(--text-secondary)}.text-sm{font-size:12px}.fw-600{font-weight:600}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:20px 24px;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.sidebar-logo .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:11px 24px;color:#ffffffa6;font-size:14px;transition:all .15s}.sidebar-nav a:hover{background:var(--sidebar-hover);color:#fff}.sidebar-nav a.active{background:var(--sidebar-active);color:#fff;font-weight:500}.sidebar-nav .icon{width:20px;text-align:center;font-size:16px}.sidebar-footer{padding:16px 24px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#fff6}.main{flex:1;margin-left:240px;display:flex;flex-direction:column}.topbar{background:var(--card);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;box-shadow:0 1px 2px #0000000a;position:sticky;top:0;z-index:50}.topbar-title{font-size:18px;font-weight:600}.topbar-right{display:flex;align-items:center;gap:16px}.topbar-user{display:flex;align-items:center;gap:8px}.avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.content{padding:24px 32px;flex:1}.empty{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty .icon{font-size:48px;margin-bottom:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1f36,#4f6ef7)}.login-card{background:#fff;border-radius:16px;padding:48px;width:420px;box-shadow:0 20px 60px #0000004d;text-align:center}.login-card h1{font-size:24px;margin-bottom:8px}.login-card p{color:var(--text-secondary);margin-bottom:32px}.login-card button{width:100%;padding:12px;font-size:16px;margin-top:8px}.bar-chart{display:flex;align-items:flex-end;gap:8px;height:160px;padding:16px 0}.bar-chart .bar{flex:1;background:var(--primary-light);border-radius:4px 4px 0 0;position:relative;transition:background .2s;min-height:4px}.bar-chart .bar:hover{background:var(--primary)}.bar-chart .bar .bar-label{position:absolute;bottom:-24px;left:50%;transform:translate(-50%);font-size:11px;color:var(--text-secondary)}.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.progress-bar .fill{height:100%;background:var(--primary);border-radius:3px;transition:width .3s}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:#fff;border-radius:12px;padding:32px;width:520px;max-height:80vh;overflow-y:auto}.modal h3{margin-bottom:20px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:13px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.log-viewer{background:#1a1f36;color:#a5f3fc;font-family:SF Mono,Menlo,monospace;font-size:12px;padding:16px;border-radius:8px;max-height:400px;overflow-y:auto;line-height:1.8}.log-viewer .log-error{color:#fca5a5}.log-viewer .log-warn{color:#fcd34d}.log-viewer .log-info{color:#a5f3fc}.log-viewer .log-debug{color:#94a3b8}