:root{color-scheme:light;--paper:#f4f3ee;--ink:#132b35;--muted:#52636a;--line:#d4dcd9;--accent:#ffce8a;--white:#fff;--mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,summary{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,summary{cursor:pointer}button{touch-action:manipulation}button[hidden]{display:none}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b05c00;outline-offset:4px}p,h1,h2{margin:0}.instrument{width:min(100%,480px);margin:0 auto;padding:20px 18px max(20px,env(safe-area-inset-bottom))}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border:2px solid var(--ink);border-radius:12px;font:700 16px var(--mono)}h1{font-size:24px;line-height:1.1;letter-spacing:-.7px}.heading p{font-size:13px;color:var(--muted);margin-top:4px}.edition{font-size:10px;line-height:1.6;letter-spacing:.7px;text-align:right;font-weight:650}.readout{background:var(--ink);color:var(--white);border-radius:20px;padding:20px 20px 18px}.readout-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.readout h2{font-size:14px;letter-spacing:1px}.readout-top>span{font-size:10px;letter-spacing:.6px;color:#c9d8de}.frequency{display:flex;align-items:baseline;gap:9px;margin:15px 0 18px;white-space:nowrap;font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-1.5px;line-height:1.15}.frequency>span:first-child{font-size:clamp(29px,9.5vw,43px);font-weight:700}.frequency .unit{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:0;color:#c9d8de}.keyboard{border-top:1px solid #48616b;padding-top:13px}.keyboard>p:first-child{font-size:12px;color:#d5e1e5}.digits{font:650 31px/1.2 var(--mono);color:var(--accent);letter-spacing:6px;margin-top:7px}.radio-setting{margin:12px 0 23px;text-align:center;font-size:12px;color:var(--muted);line-height:1.5}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px;gap:8px}.section-heading h2{font-size:14px;font-weight:650}.section-heading span{font-size:10px;font-weight:650;color:var(--muted);letter-spacing:.6px}.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.channel-grid button{min-width:0;min-height:56px;border:1px solid #b8c4c4;border-radius:12px;background:var(--white);color:var(--ink);font:650 22px/1 var(--mono);font-variant-numeric:tabular-nums}.channel-grid button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--white);box-shadow:inset 0 -4px 0 var(--accent)}@media(hover:hover){.channel-grid button:hover{border-color:var(--ink)}summary:hover{color:#8a4900}}.secondary{margin-top:23px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{font-size:13px;font-weight:600;line-height:1.5;padding:15px 2px;min-height:48px}details[open]>summary{margin-bottom:4px}form{padding:0 2px 16px}label{display:block;font-size:13px;margin-bottom:8px}.search-row{display:flex;gap:8px}.search-row input{width:100%;min-width:0;border:1px solid #899d9f;background:var(--white);border-radius:8px;padding:12px 9px;font:16px var(--mono);color:var(--ink)}.search-row button,#install-button{border:0;border-radius:8px;min-height:48px;padding:10px 12px;background:var(--ink);color:white;font-size:13px;font-weight:600}.hint{color:var(--muted);font-size:12px;margin-top:9px}.search-result{font-size:13px;line-height:1.5;font-weight:600;margin-top:8px;overflow-wrap:anywhere}.search-result:empty{display:none}table{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:14px}th{text-align:left;font-size:10px;font-weight:650;color:var(--muted);padding:10px 6px;border-bottom:1px solid #b8c4c4}td{font-family:var(--mono);font-variant-numeric:tabular-nums;padding:10px 6px;border-bottom:1px solid var(--line)}td:first-child{font-weight:700}tr[aria-current="true"] td{background:#e0e7e4}footer{margin-top:15px;color:var(--muted);font-size:11px;line-height:1.6}#offline-status{min-height:18px}.installation{border:0}.installation summary{font-size:11px;padding:8px 0;min-height:34px;font-weight:500}.installation p{margin-bottom:10px;max-width:60ch}#install-button{margin:2px 0 10px}.notice{margin-top:14px;font-size:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:350px){.instrument{padding:16px 12px}.readout{padding:18px 14px}.edition{font-size:9px}.frequency{gap:6px;letter-spacing:-1px}.channel-grid{gap:8px}.channel-grid button{min-height:52px}.search-row{flex-direction:column}}@media(min-width:720px){.instrument{margin-top:24px;padding:24px;background:var(--paper)}}@media(forced-colors:active){.channel-grid button[aria-pressed="true"]{border:3px solid Highlight}.readout{border:1px solid CanvasText}}