/* Research charts use the public site's typography, palette and controls.
   Chart borders organize data; page sections are separated by spacing/surfaces. */
.site-lab{--chart-straight:#547B88;--chart-pair:#777C9D;--chart-high:#A9BDB1}
.site-lab main,.site-lab>footer,.site-lab-note{width:100%;max-width:1120px;margin-inline:auto;padding-inline:28px}
.site-lab-note{font-size:12px;color:var(--muted);margin-block:20px 0}
.site-lab .hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:center;padding:48px 0 36px}
.site-lab .eyebrow{font-size:11px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.site-lab h1{font-size:clamp(36px,4.5vw,60px);line-height:1.1;letter-spacing:-.045em;font-weight:600;margin:0 0 20px}
.site-lab .hero p{font-size:19px;line-height:1.5;color:var(--muted);margin:0}
.site-lab .hero-stat{background:var(--table);border-radius:16px;padding:24px}
.site-lab .hero-stat :is(.label,.detail){font-size:13px;color:var(--muted)}
.site-lab .value{font-size:48px;line-height:1.2;font-weight:650;letter-spacing:-.035em;margin:10px 0;font-variant-numeric:tabular-nums}
.site-lab .controls{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:20px 24px;background:var(--table);border-radius:16px;padding:24px;margin-bottom:32px}
.site-lab .control-group{min-width:0}
.site-lab .control-group :is(label,.control-label){display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.site-lab .pool-options{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}
.site-lab .pool-options button{font-size:13px;line-height:1.4;min-height:44px;padding:8px 4px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink)}
.site-lab .pool-options button[aria-pressed=true]{background:var(--leaf);border-color:var(--leaf);color:#FFFEFA}
.site-lab .controls-note{grid-column:1/-1;font-size:12px;color:var(--muted);margin:0;line-height:1.7}
.site-lab .section{padding:48px 0;min-width:0}
.site-lab .section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.site-lab h2{font-size:26px;line-height:1.25;letter-spacing:-.025em;margin:0}
.site-lab .num{display:inline-block;font-size:12px;font-weight:500;color:var(--accent);margin-right:12px;vertical-align:middle}
.site-lab .method{font-size:12px;color:var(--muted)}
.site-lab :is(.section-description,.notice,.chart-note,.table-help){font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 24px}
.site-lab .legend{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:24px}
.site-lab .legend-item,.site-lab .type{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.site-lab .swatch{display:inline-block;flex:none;width:10px;height:10px;border-radius:3px;background:var(--color)}
.site-lab .pool-chart{display:grid;gap:6px}
.site-lab .pool-row{display:grid;grid-template-columns:82px minmax(0,1fr);gap:16px;align-items:center;width:100%;min-height:60px;padding:10px 12px;text-align:left;background:transparent;border:1px solid transparent;border-radius:8px}
.site-lab .pool-row:hover{background:var(--paper)}
.site-lab .pool-row[aria-pressed=true]{background:var(--panel);border-color:var(--line)}
.site-lab .pool-label{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.site-lab .pool-label small{display:block;font-size:10px;font-weight:400;color:var(--muted)}
.site-lab .stack{display:flex;height:32px;overflow:hidden;border-radius:4px;background:var(--table)}
.site-lab .segment{display:flex;align-items:center;justify-content:center;height:100%;min-width:0;overflow:hidden;white-space:nowrap;background:var(--color)}
.site-lab .segment span{font-size:11px;font-weight:600;color:#FFFEFA;font-variant-numeric:tabular-nums}
.site-lab .segment.gold span,.site-lab .segment.high span{color:#10231B}
.site-lab .chart-axis{display:flex;justify-content:space-between;margin:8px 12px 0 110px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.site-lab .selected-breakdown{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px 12px;margin-block:28px}
.site-lab .percent{font-size:24px;line-height:1.4;font-weight:600;margin-top:8px;font-variant-numeric:tabular-nums;letter-spacing:-.025em}
.site-lab .compare-legend{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:24px;font-size:12px;color:var(--muted)}
.site-lab .compare-legend i{display:inline-block;width:18px;height:5px;margin-right:6px;vertical-align:middle;background:var(--leaf)}
.site-lab .compare-legend i.best{background:var(--gold)}
.site-lab .availability{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px;margin-bottom:24px}
.site-lab .availability-item{display:grid;grid-template-columns:100px minmax(0,1fr) 84px;gap:12px;align-items:center}
.site-lab .availability-type{font-size:14px}
.site-lab .availability-type small{display:block;font-size:11px;color:var(--muted)}
.site-lab .dual-track{display:grid;gap:7px}
.site-lab .track{height:7px;border-radius:3px;background:var(--table);overflow:hidden}
.site-lab .fill{height:100%;background:var(--leaf)}
.site-lab .fill.best{background:var(--gold)}
.site-lab .availability-value{font-size:15px;text-align:right;font-variant-numeric:tabular-nums}
.site-lab .availability-value small{display:block;font-size:12px;color:var(--gold-text)}
.site-lab .trend-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;align-items:center}
.site-lab .trend{min-width:0}
.site-lab .trend svg{display:block;width:100%;overflow:visible}
.site-lab .trend text{font:12px -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',Arial,sans-serif;fill:var(--muted)}
.site-lab .trend .grid{stroke:var(--line);stroke-width:1}
.site-lab .trend .series{fill:none;stroke-width:2.5}
.site-lab .trend .dot{stroke-width:2}
.site-lab .trend-legend{display:flex;flex-wrap:wrap;gap:12px 20px;font-size:12px;color:var(--muted);margin-top:16px}
.site-lab .trend-legend i{display:inline-block;width:18px;height:2px;background:var(--color);vertical-align:middle;margin-right:6px}
.site-lab .wild-detail{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.site-lab .wild-detail h3{font-size:15px;margin:0}
.site-lab .wild-detail .value{font-size:36px;color:var(--gold-text)}
.site-lab .wild-detail p{font-size:13px;line-height:1.7;color:var(--muted);margin:12px 0 0}
.site-lab .wild-detail .subline{font-size:12px}
.site-lab .table-scroll{max-width:100%;overflow-x:auto;margin-bottom:28px}
.site-lab table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}
.site-lab caption{text-align:left;font-size:15px;font-weight:600;padding:8px 0 16px}
.site-lab :is(th,td){text-align:right;padding:12px;border-bottom:1px solid var(--line)}
.site-lab tr>:first-child{text-align:left;padding-left:0}
.site-lab tr>:last-child{padding-right:0}
.site-lab thead th{color:var(--muted);font-weight:500}
.site-lab tr.selected{background:var(--table)}
.site-lab .details summary{font-size:14px;font-weight:600;cursor:pointer}
.site-lab .details :is(p,li){font-size:13px;color:var(--muted);line-height:1.8}
.site-lab .details li{margin-block:10px}
.site-lab .data-label{overflow-wrap:anywhere;font-size:11px!important}
.site-lab>footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-block:28px 40px;color:var(--muted);font-size:12px}
@media(max-width:900px){.site-lab .controls{grid-template-columns:1fr 1fr}.site-lab .control-group:last-of-type{grid-column:1/-1}.site-lab .pool-options{max-width:420px}.site-lab .availability{grid-template-columns:1fr}.site-lab .trend-layout{grid-template-columns:1fr}.site-lab .hero{gap:28px;grid-template-columns:minmax(0,1fr) 230px}}
@media(max-width:700px){.site-lab main,.site-lab>footer,.site-lab-note{padding-inline:20px}.site-lab .hero{grid-template-columns:1fr;gap:24px;padding:32px 0}.site-lab h1{font-size:40px}.site-lab .hero p{font-size:18px}.site-lab .hero-stat{padding:20px;display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center}.site-lab .hero-stat .value{grid-column:2;grid-row:1/3;font-size:36px;margin:0}.site-lab .hero-stat .detail{grid-column:1}.site-lab .controls{padding:20px;gap:20px;grid-template-columns:1fr}.site-lab .section{padding:36px 0}.site-lab h2{font-size:24px}.site-lab .pool-row{grid-template-columns:56px minmax(0,1fr);gap:8px;padding:10px 6px}.site-lab .pool-label{font-size:13px}.site-lab .pool-label small{font-size:9px}.site-lab .segment.small-label span{display:none}.site-lab .segment span{font-size:10px}.site-lab .chart-axis{margin-left:70px;margin-right:6px}.site-lab .selected-breakdown{grid-template-columns:repeat(3,minmax(0,1fr))}.site-lab .type{font-size:11px}.site-lab .percent{font-size:22px}.site-lab .availability-item{grid-template-columns:90px minmax(0,1fr) 78px;gap:10px}.site-lab .availability-type{font-size:13px}}
@media(max-width:360px){.site-lab main,.site-lab>footer,.site-lab-note{padding-inline:16px}.site-lab h1{font-size:34px}.site-lab .hero-stat{padding:16px;gap:6px 10px}.site-lab .hero-stat .value{font-size:30px}.site-lab .controls{padding:16px}.site-lab .pool-options{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media print{.site-lab .controls{display:none}.site-lab .section{padding:20px 0}.site-lab .table-scroll{overflow:visible}}

@media(max-width:480px){.site-lab .controls{grid-template-columns:minmax(0,1fr)}}