*{box-sizing:border-box}body{margin:0;background:#fcfdff;color:#18304a;font-family:system-ui,-apple-system,Segoe UI,sans-serif}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}#scene{position:fixed;inset:0;width:100%;height:100%;touch-action:none;outline:none}.top{position:fixed;left:38px;top:30px;pointer-events:none}.brand{font-size:12px;font-weight:800;letter-spacing:.19em;color:#2487bc}.top h1{font-size:38px;font-weight:730;letter-spacing:-.045em;margin:8px 0 4px}.subtitle{font-size:13px;color:#65788b}.badge{display:inline-block;margin-top:15px;padding:7px 11px;border:1px solid #dae6ed;border-radius:20px;font-size:10px;letter-spacing:.09em;background:#ffffffdd}.tools{position:fixed;top:30px;right:30px;display:flex;gap:7px}.tools button{background:#fffffff0;border:1px solid #d7e2eb;border-radius:10px;min-height:44px;padding:9px 13px;color:#234963}.tools select{width:auto;min-height:44px;font-size:11px}.panel{position:fixed;bottom:98px;left:32px;width:244px;background:#ffffffed;box-shadow:0 8px 30px #2749620c;border:1px solid #e0e8ee;border-radius:15px;padding:17px}.panel h2{font-size:11px;letter-spacing:.13em;margin:0 0 11px;color:#5d7486;text-transform:uppercase}.counts{font-size:24px;font-weight:750;letter-spacing:-.025em;margin:0 0 14px}.counts span{font-size:11px;font-weight:500;letter-spacing:0;color:#63788b}.toggles{display:flex;gap:7px;flex-wrap:wrap}.toggles label{font-size:11px;display:flex;gap:5px;align-items:center;padding:5px 0}.toggles input{accent-color:#1687b7}.legend{font-size:11px;display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.swatch{display:inline-block;width:15px;height:4px;vertical-align:middle;margin-right:4px;border-radius:4px}.legend-note{font-size:10px;color:#6d7b89;margin:8px 0 0;line-height:1.5}#pick{position:fixed;bottom:98px;right:30px;width:248px;background:#ffffffee;border:1px solid #e0e8ee;border-radius:15px;padding:16px}#pick h2{font-size:11px;letter-spacing:.1em;color:#5d7486;margin:0 0 9px;text-transform:uppercase}select{font:inherit;font-size:12px;width:100%;padding:10px;border-radius:8px;border:1px solid #cfdde5;background:white;color:#234963;min-height:44px}#detail{font-size:11px;line-height:1.6;color:#687d8e;margin:10px 0 0}.footer{position:fixed;bottom:0;left:0;right:0;padding:16px 32px 18px;background:linear-gradient(transparent,#fcfdff 18%);font-size:10px;line-height:1.55;color:#6f8090}.footer a{color:#3a6e90}.footer strong{color:#3f5b72;font-weight:600}.scale-bar{position:fixed;top:62%;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:3px;color:#63788b;font-size:10px;pointer-events:none}.scale-line{display:block;width:80px;height:5px;border:1px solid #53758a;border-top:0}.hint button{margin-left:8px;border:1px solid #cfdde5;border-radius:6px;background:#fff;color:#31556b;min-height:44px;padding:4px 8px}.hint{position:fixed;bottom:108px;left:50%;transform:translateX(-50%);font-size:11px;color:#8193a2;white-space:nowrap}.label{position:fixed;pointer-events:none;white-space:nowrap;font-size:10px;font-weight:650;background:#ffffffe8;border:1px solid #cedde6;border-radius:5px;padding:3px 6px;box-shadow:0 2px 5px #16334a12;transform:translate(-50%,-110%)}.label.lift{border-left:3px solid #127fa9}.label.run{border-left:3px solid #798da1}.label.focus{font-size:12px;border-color:#0097c9;z-index:4}#error{position:fixed;top:45%;left:25%;right:25%;background:white;padding:20px;display:none}.compass{position:fixed;right:32px;top:95px;font-size:11px;color:#668198}.compass b{display:block;font-size:21px;text-align:center;color:#277ea8}button:focus-visible,select:focus-visible{outline:3px solid #50b3dc;outline-offset:3px}@media(max-width:650px){.top{left:18px;top:18px}.top h1{font-size:29px}.subtitle{font-size:10px;max-width:240px}.badge{margin-top:10px;font-size:9px}.tools{right:12px;top:125px;flex-direction:column}.tools button{font-size:11px;padding:7px 9px}.panel{left:12px;bottom:143px;width:180px;padding:12px}.counts{font-size:20px;margin-bottom:7px}.panel h2{font-size:10px;margin-bottom:8px}.legend{font-size:9px;gap:6px}.toggles{gap:4px}.toggles label{font-size:10px}.legend-note{font-size:9px}#pick{left:12px;right:12px;bottom:87px;width:auto;padding:5px 8px}#pick h2,#detail{display:none}#course{font-size:11px}.footer{font-size:8px;padding:12px;line-height:1.4}.hint{display:flex;left:12px;right:108px;bottom:auto;top:230px;transform:none;white-space:normal;flex-wrap:wrap;font-size:10px;background:#ffffffdd;border-radius:8px;padding:6px}.scale-bar{top:58%}.compass{right:25px;top:460px}.label{font-size:8px;padding:2px 4px}}

/* Compact controls; retain full touch targets on touch screens. */
.tools{transform:scale(.75);transform-origin:top right}.panel{transform:scale(.75);transform-origin:bottom left}#pick{transform:scale(.75);transform-origin:bottom right}
@media(pointer:coarse){.tools{transform:none}.tools button,.tools select{font-size:11px;padding:6px 9px;min-height:44px}.panel{transform:scale(.85)}#pick{transform:none}#pick select{min-height:44px}}
.hint[hidden]{display:none}.footer summary,#layer-controls summary{display:none}@media(max-width:650px){.panel{bottom:198px;transform:none;padding:8px}.panel h2{display:none}.panel .counts{font-size:16px;line-height:1.25;margin-bottom:2px}.panel .counts span{font-size:9px}.toggles label{min-height:44px}#pick{bottom:146px}.footer{font-size:9px;line-height:1}.footer summary,#layer-controls summary{display:list-item;min-height:44px;cursor:pointer;padding-top:12px}}

@media(max-width:650px){.top h1{font-size:25px}.tools{top:112px;gap:4px}.panel{bottom:198px;width:178px}.compass{top:390px}.footer{font-size:9px;line-height:1.45;padding:12px}#pick{bottom:146px}.tools button,.tools select{min-height:44px}.toggles label{min-height:44px}.panel{padding:10px}}