:root{
  --accent:#ff6900; --accent-dark:#e05d00;
  --bg:#f5f6f8; --panel:#ffffff; --text:#222; --muted:#888;
  --red:#e64545; --green:#2ba471; --yellow:#d48806;
  --border:#e6e8eb;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px}
.hidden{display:none !important}

.topbar{display:flex;justify-content:space-between;align-items:center;background:#1d1d1f;color:#fff;padding:12px 20px}
.brand{font-size:17px;font-weight:600;display:flex;align-items:center;gap:8px}
.logo{display:inline-flex;width:26px;height:26px;background:var(--accent);border-radius:6px;align-items:center;justify-content:center;font-size:14px}
.db-status{font-size:12px;color:#9ac;opacity:.85}

.tabs{display:flex;gap:4px;background:var(--panel);padding:0 20px;border-bottom:1px solid var(--border)}
.tab{border:none;background:none;padding:12px 18px;font-size:14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab:hover{color:var(--accent-dark)}

.period-bar{display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap}
.period-label{color:var(--muted)}
.filter-select{padding:4px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:#fff;min-width:120px}
.region-tag{background:#fff3e8;color:var(--accent);border:1px solid #ffd9b8;border-radius:6px;padding:4px 14px;font-size:13px;font-weight:600}
.period-btn{border:1px solid var(--border);background:#fff;border-radius:16px;padding:4px 14px;cursor:pointer;font-size:13px}
.period-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.custom-range input{padding:3px 6px;border:1px solid var(--border);border-radius:4px}
.period-hint{color:var(--muted);font-size:12px;margin-left:auto}

main{padding:16px 20px;max-width:1400px;margin:0 auto}
.tab-panel{display:none}
.tab-panel.active{display:block}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:14px}
.card{background:var(--panel);border-radius:10px;padding:16px;border:1px solid var(--border)}
.card .card-title{color:var(--muted);font-size:13px}
.card .card-value{font-size:28px;font-weight:700;margin:6px 0}
.card .card-sub{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.badge{padding:1px 8px;border-radius:10px;font-size:12px}
.badge.good{background:#e6f7ee;color:var(--green)}
.badge.bad{background:#fdecec;color:var(--red)}
.badge.mid{background:#fdf3e3;color:var(--yellow)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:1000px){.grid-2{grid-template-columns:1fr}}
.panel{background:var(--panel);border-radius:10px;padding:16px;border:1px solid var(--border);margin-bottom:14px}
.panel h3{font-size:15px;margin-bottom:10px}
.panel h4{font-size:13px;margin:14px 0 8px;color:#444}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.panel-head h3{margin-bottom:0}
.chart{width:100%;height:320px}
.chart-sm{height:240px}

.table-wrap{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th,.data-table td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}
.data-table th:first-child,.data-table td:first-child{text-align:left}
.data-table th{background:#fafafa;color:var(--muted);font-weight:500;cursor:pointer;user-select:none}
.data-table tr.row-bad td{background:#fdf1f0}
.data-table tr:hover td{background:#f6f8fa}
.data-table tr.row-bad:hover td{background:#fbe9e7}
.data-table td.store-link{color:var(--accent);cursor:pointer;font-weight:600}
.rate-good{color:var(--green);font-weight:600}
.rate-bad{color:var(--red);font-weight:600}
.rate-mid{color:var(--yellow);font-weight:600}

.drop-zone{border:2px dashed #ccc;border-radius:10px;padding:36px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);color:var(--accent);background:#fff7f0}

.mapping-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px 16px}
.mapping-grid label{display:flex;align-items:center;gap:8px;font-size:13px}
.mapping-grid select{flex:1;padding:4px 6px;border:1px solid var(--border);border-radius:4px}
.mapping-grid .req{color:var(--red)}

.import-options{display:flex;gap:20px;flex-wrap:wrap;align-items:center;margin-bottom:6px}
.import-options select,.import-options input{padding:4px 6px;border:1px solid var(--border);border-radius:4px}
.import-actions{margin:12px 0;display:flex;gap:10px}

.mini-btn{border:1px solid var(--border);background:#fff;border-radius:6px;padding:5px 14px;cursor:pointer;font-size:13px}
.mini-btn:hover{border-color:var(--accent);color:var(--accent)}
.mini-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.mini-btn.primary:hover{background:var(--accent-dark)}
.mini-btn.danger{color:var(--red);border-color:#f0c0c0}
.mini-btn.danger:hover{background:#fdecec}

.tip{color:var(--muted);font-size:12px;margin-bottom:10px;line-height:1.6}
.target-toolbar{display:flex;gap:16px;align-items:center;margin-bottom:10px}
.target-toolbar input{padding:4px 6px;border:1px solid var(--border);border-radius:4px}

#importResult{margin-top:10px;font-size:13px;line-height:1.8}
#importResult .ok{color:var(--green)}
#importResult .err{color:var(--red)}

.alert-box{border-radius:10px;padding:12px 16px;margin-bottom:12px;font-size:13px;line-height:1.8}
.alert-box.warn{background:#fdf3e3;border:1px solid #f3d9a8}
.alert-box.bad{background:#fdecec;border:1px solid #f3c1c1}
.alert-box b{color:var(--red)}

.shot-bar{display:flex;justify-content:flex-end;gap:8px;margin-bottom:10px}
.rank-banner{background:linear-gradient(135deg,#ff6900,#ff8f3d);border-radius:12px;color:#fff;padding:18px 24px;margin-bottom:14px}
.rank-main{font-size:24px;font-weight:700}
.rank-main b{font-size:38px;margin:0 4px}
.rank-total{font-size:15px;font-weight:400;opacity:.85}
.rank-sub{margin-top:6px;font-size:13px;opacity:.92}

.lag-card{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden}
.lag-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#fafafa;font-size:13px;cursor:pointer;user-select:none}
.lag-head:hover{background:#f3f3f3}
.lag-arrow{display:inline-block;width:14px;color:var(--muted)}
.lag-list{padding:10px 14px;display:flex;flex-wrap:wrap;gap:6px}
.lag-item{background:#fff5f0;border:1px solid #ffd9c2;color:#a13c00;border-radius:14px;padding:3px 12px;font-size:12px;white-space:nowrap}

footer{padding:20px;text-align:center;color:#bbb;font-size:12px}