.range-viewer{max-width:860px;margin:0 auto;font-variant-numeric:tabular-nums}
.rv-controls{display:flex;flex-direction:column;align-items:stretch;gap:16px;margin:24px 0}
.rv-tabs{display:flex;flex-wrap:wrap;gap:4px;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:7px;align-self:start;max-width:100%}
.rv-tabs button{padding:9px 12px;border-radius:4px;font-size:13px;color:var(--muted);white-space:nowrap}
.rv-tabs button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
.rv-picker{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);min-width:0}
.rv-picker select{max-width:100%;min-width:0;flex:1;padding:10px;background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:5px;font:inherit}
.rv-chart{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.rv-chart-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.rv-chart-heading h2{font-size:18px;font-weight:600}.rv-chart-heading>span{font-size:11px;color:var(--muted);padding:4px 8px;border:1px solid var(--line);border-radius:4px;white-space:nowrap}
.rv-conditions{color:var(--muted);font-size:13px;margin-bottom:20px}
.rv-grid{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));gap:3px}
.rv-grid .rc-cell{display:flex;align-items:center;justify-content:center;aspect-ratio:1.38;font-family:var(--mono);font-size:clamp(10px,1.5vw,14px);padding:0;min-width:0;border-radius:3px;cursor:pointer;border:1px solid transparent;color:#fff}
.rv-grid .rc-rest{color:var(--muted);background:var(--act-rest)}
.rv-grid .rv-selected{outline:2px solid var(--fg);outline-offset:1px;z-index:1}
.rv-grid .rc-cell:focus-visible,.rv-tabs button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.rv-legend{display:flex;flex-wrap:wrap;gap:10px 24px;padding:20px 0 16px;font-size:13px}
.rv-legend>span{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.rv-legend small{color:var(--muted);font-size:11px}.rv-legend b{font-weight:500}
.rv-legend i,.rv-hand i{width:10px;height:10px;display:inline-block;border-radius:2px;margin-right:3px}
.rv-hand{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;border-top:1px solid var(--line);padding:15px 0 0;font-size:13px;min-height:40px}.rv-hand>b{font:600 18px var(--mono)}.rv-hand>span{color:var(--muted)}.rv-hand strong{color:var(--fg);font-weight:500}
.rv-guide,.rv-image-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7}
.rv-source{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:12px;line-height:1.9}.rv-source summary{cursor:pointer;width:fit-content;color:var(--fg);font-size:13px}.rv-source p{margin-top:10px;overflow-wrap:anywhere}.rv-source a{color:var(--accent);margin-right:20px}.rv-source>div{margin-top:10px}
.rv-image{display:block;max-width:640px;margin:auto}.rv-image img{display:block;width:100%;height:auto;border-radius:4px}.rv-message{padding:48px 20px;color:var(--muted);text-align:center}.rv-message button{color:var(--accent);text-decoration:underline}
@media(max-width:720px){.rv-controls{flex-direction:column;align-items:stretch;gap:16px}.rv-tabs{align-self:start}.rv-picker{justify-content:space-between}.rv-picker select{flex:1}.rv-chart{padding:16px}.rv-grid{gap:2px}.rv-grid .rc-cell{aspect-ratio:1.08;font-size:11px}.rv-chart-heading{align-items:start}.range-viewer .head{align-items:start;gap:8px}.rv-legend{gap:9px 16px}}
@media(max-width:420px){.rv-chart{padding:10px}.rv-grid{gap:1px}.rv-grid .rc-cell{font-size:10px;border-radius:2px}.rv-chart-heading h2{font-size:16px}.rv-tabs button{padding:9px 10px}.rv-conditions{font-size:12px}}