:root{--bg:#f5f6fa;--bg-white:#fff;--surface:#fff;--surface2:#f8f9fc;--border:#e2e5f1;--border2:#d1d5e4;--text:#1a1d2e;--text-dim:#6b7185;--text-mid:#4a4f65;--primary:#2d5be3;--primary-light:#eef2ff;--primary-dark:#1e3fa0;--green:#10b981;--green-light:#ecfdf5;--red:#ef4444;--red-light:#fef2f2;--yellow:#f59e0b;--yellow-light:#fffbeb;--orange:#f97316;--purple:#8b5cf6;--purple-light:#f5f3ff}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{min-height:100vh;display:flex}.sidebar{background:var(--bg-white);border-right:1px solid var(--border);z-index:10;width:240px;padding:0;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;box-shadow:1px 0 8px #0000000a}.main{flex:1;max-width:1400px;margin-left:240px;padding:28px 32px}.sidebar .logo{letter-spacing:.5px;border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:20px 20px 18px;font-size:13px;font-weight:800;display:flex}.sidebar .logo .logo-icon{background:var(--primary);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:900;display:flex}.sidebar .logo .logo-text{color:var(--text)}.sidebar .logo .logo-text span{color:var(--primary)}.nav-section{color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;padding:16px 12px 6px;font-size:10px;font-weight:700}.nav-item{color:var(--text-mid);cursor:pointer;border-radius:8px;align-items:center;gap:10px;margin:2px 8px;padding:10px 16px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.nav-item:hover{color:var(--text);background:var(--surface2);text-decoration:none}.nav-item.active{color:var(--primary);background:var(--primary-light);font-weight:600}.nav-item .icon{text-align:center;opacity:.7;width:22px;font-size:18px}.nav-item.active .icon{opacity:1}.page-hdr{justify-content:space-between;align-items:flex-start;margin-bottom:24px;display:flex}.page-hdr h1{color:var(--text);font-size:22px;font-weight:700}.page-hdr p{color:var(--text-dim);margin-top:2px;font-size:13px}.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;transition:box-shadow .2s}.card:hover{box-shadow:0 2px 12px #0000000f}.card .label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.3px;font-size:12px;font-weight:600}.card .value{color:var(--text);margin-top:6px;font-size:28px;font-weight:800}.card .sub{color:var(--text-dim);margin-top:4px;font-size:12px}.card .trend{border-radius:20px;align-items:center;gap:4px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.card .trend.up{background:var(--green-light);color:var(--green)}.card .trend.down{background:var(--red-light);color:var(--red)}.tbl-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:24px;overflow:hidden}.tbl-hdr{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.tbl-hdr h3{font-size:15px;font-weight:700}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:var(--surface2);padding:12px 20px;font-size:11px;font-weight:700}td{border-bottom:1px solid var(--border);padding:12px 20px;font-size:13px}tr:hover td{background:var(--surface2)}tr:last-child td{border-bottom:none}.badge{border-radius:20px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.badge-green{background:var(--green-light);color:var(--green)}.badge-red{background:var(--red-light);color:var(--red)}.badge-yellow{background:var(--yellow-light);color:var(--yellow)}.badge-blue{background:var(--primary-light);color:var(--primary)}.badge-purple{background:var(--purple-light);color:var(--purple)}.badge-A{color:#15803d;background:#dcfce7;font-weight:800}.badge-B{color:#a16207;background:#fef9c3;font-weight:800}.badge-C{color:#dc2626;background:#fee2e2;font-weight:800}.btn{border:1px solid var(--border);background:var(--bg-white);color:var(--text);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:9px 18px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.btn:hover{border-color:var(--border2);background:var(--surface2);box-shadow:0 1px 4px #0000000f}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-sm{padding:5px 12px;font-size:12px}.btn-success{background:var(--green);border-color:var(--green);color:#fff}.btn-danger{background:var(--red);border-color:var(--red);color:#fff}.item-row{align-items:center;gap:12px;display:flex}.item-row img{object-fit:cover;background:var(--surface2);border:1px solid var(--border);border-radius:8px;width:44px;height:44px}.item-row .info{min-width:0}.item-row .title{white-space:nowrap;text-overflow:ellipsis;max-width:320px;color:var(--text);font-weight:600;overflow:hidden}.item-row .meta{color:var(--text-dim);margin-top:1px;font-size:11px}.chart-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:24px;padding:20px}.chart-wrap h3{color:var(--text);margin-bottom:16px;font-size:14px;font-weight:700}.bars{align-items:flex-end;gap:3px;height:180px;display:flex}.bar-col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;display:flex}.bar-col .bar{background:var(--primary);opacity:.85;border-radius:4px 4px 0 0;width:100%;min-height:2px;transition:all .3s}.bar-col .bar:hover{opacity:1}.bar-col .bar-val{color:var(--text-mid);margin-bottom:3px;font-size:9px;font-weight:700}.bar-col .bar-label{color:var(--text-dim);margin-top:5px;font-size:9px}.tabs{border-bottom:2px solid var(--border);gap:0;margin-bottom:20px;display:flex}.tab{color:var(--text-dim);cursor:pointer;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 20px;font-size:13px;font-weight:600}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.loading{text-align:center;color:var(--text-dim);padding:60px}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:28px;height:28px;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.filters{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.filters input,.filters select{background:var(--bg-white);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 14px;font-size:13px}.filters input:focus,.filters select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2d5be31a}.problems{flex-wrap:wrap;gap:4px;display:flex}.problem-tag{background:var(--red-light);color:var(--red);border-radius:12px;padding:2px 8px;font-size:10px;font-weight:600}.health-score{border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:13px;font-weight:800;display:inline-flex}.grid-2{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:24px;display:grid}.alert{border-radius:10px;align-items:center;gap:10px;margin-bottom:16px;padding:14px 18px;font-size:13px;display:flex}.alert-warning{background:var(--yellow-light);color:#92400e;border:1px solid #fcd34d}.alert-danger{background:var(--red-light);color:#991b1b;border:1px solid #fca5a5}.alert-success{background:var(--green-light);color:#065f46;border:1px solid #6ee7b7}.alert-info{background:var(--primary-light);color:#1e40af;border:1px solid #93c5fd}.stat-row{flex-wrap:wrap;gap:24px;margin-bottom:20px;display:flex}.stat-item .stat-label{color:var(--text-dim);text-transform:uppercase;font-size:11px;font-weight:600}.stat-item .stat-value{font-size:20px;font-weight:800}.period-selector{background:var(--surface2);border:1px solid var(--border);border-radius:8px;gap:0;display:flex;overflow:hidden}.period-btn{cursor:pointer;color:var(--text-dim);background:0 0;border:none;padding:6px 16px;font-size:12px;font-weight:600}.period-btn:hover{color:var(--text)}.period-btn.active{background:var(--primary);color:#fff}.status-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.status-dot.active{background:var(--green)}.status-dot.paused{background:var(--yellow)}.status-dot.closed{background:var(--red)}.section{margin-bottom:28px}.section-title{align-items:center;gap:8px;margin-bottom:14px;font-size:16px;font-weight:700;display:flex}.ai-content{color:var(--text);font-size:14px;line-height:1.8}.ai-content h2{color:var(--text);margin:24px 0 12px;font-size:18px;font-weight:800}.ai-content h3{color:var(--text);border-bottom:1px solid var(--border);margin:20px 0 10px;padding-bottom:6px;font-size:16px}.ai-content h4{color:var(--primary);margin:16px 0 8px;font-size:14px}.ai-content li{margin:4px 0}.ai-content strong{color:var(--text)}@media (width<=768px){.sidebar{display:none}.main{margin-left:0;padding:16px}.grid-2,.grid-3{grid-template-columns:1fr}}