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#725e37;border-right:2px solid #725e37;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;width:206px;height:min(100%,210px);min-height:100px;display:flex}.ring-card-guide span{letter-spacing:1.2px;font-size:10px}.ring-card-guide b{font-size:32px;font-weight:400;line-height:1.5}.ring-card-guide small{font-size:11px}.ring-adjust{grid-template-columns:48px minmax(0,1fr) 48px;align-items:center;gap:14px;display:grid}.ring-adjust button{color:#5b4a2b;background:#f1ecdf;border:1px solid #cfc6b3;border-radius:9px;min-height:48px;font-size:25px}.ring-adjust input{accent-color:#7c663a;width:100%;min-width:0;height:48px}.ring-instruction{text-align:center;color:#6a6251;min-height:18px;font-size:12px;line-height:1.5}.ring-primary{color:#fff;background:#5c482a;border:1px solid #5c482a;border-radius:9px;justify-content:center;align-items:center;gap:18px;min-height:50px;padding:10px 16px;font-size:14px;font-weight:550;display:flex}.ring-small{color:#746f62;text-align:center;font-size:10px;line-height:1.5}.ring-estimate{text-align:center;font-variant-numeric:tabular-nums}.ring-estimate>span{letter-spacing:1.8px;color:#796a50;font-size:10px}.ring-estimate output{letter-spacing:-.055em;color:#514124;font-size:clamp(68px,13vh,116px);font-weight:500;line-height:1.05;display:block}.ring-estimate p{color:#77694f;min-height:20px;margin-top:3px;font-size:13px}.ring-measure-stage{background:radial-gradient(#fffdf8 0%,#f3efe4 75%);border-radius:12px;flex:1;place-items:center;min-height:100px;display:grid;position:relative}.ring-circle{z-index:1;box-sizing:border-box;background:#fffdf8;border:1px solid #46371f;border-radius:50%;flex-shrink:0;position:relative}.ring-crosshair{opacity:.4;z-index:2;pointer-events:none;width:26px;height:26px;position:absolute}.ring-crosshair:before,.ring-crosshair:after{content:"";background:#766448;position:absolute}.ring-crosshair:before{width:1px;height:100%;top:0;left:50%}.ring-crosshair:after{width:100%;height:1px;top:50%;left:0}.ring-measure-controls{flex-direction:column;gap:8px;display:flex}.ring-nearest{color:#73674e;text-align:center;min-height:18px;font-size:11px;line-height:1.5}.ring-actions{justify-content:center;gap:10px;display:flex}.ring-secondary{background:0 0;border:1px solid #d4cdbd;border-radius:8px;flex:1;min-height:44px;padding:9px 12px;font-size:12px}@media (height<=680px){.ring-instrument,.ring-calibration,.ring-measure{gap:8px}.ring-topline{min-height:23px}.ring-intro h2{font-size:29px}.ring-intro p{margin-top:6px;font-size:12px}.ring-card-stage{min-height:90px}.ring-card-guide{min-height:86px}.ring-estimate output{font-size:65px}.ring-measure-stage{min-height:80px}.ring-measure-note{font-size:11px}.ring-measure-controls{gap:5px}}@media (width<=360px){.ring-adjust{gap:9px}.ring-topline{font-size:9px}.ring-badge{padding-inline:7px}.ring-primary{gap:10px;padding-inline:9px;font-size:12px}}@media (orientation:landscape) and (height<=500px){.ring-instrument{gap:3px;width:min(100%,900px);padding:0}.ring-topline{min-height:23px}.ring-calibration{grid-template-rows:auto minmax(48px,1fr) auto auto;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:4px 24px;display:grid}.ring-intro{grid-area:1/1/3;align-self:center}.ring-intro h2{font-size:27px}.ring-intro p{font-size:11px}.ring-card-stage{grid-area:1/2/3;min-height:84px}.ring-card-guide{min-height:80px}.ring-calibration>.ring-adjust{grid-area:3/2}.ring-calibration>.ring-instruction{grid-area:4/2;font-size:10px}.ring-primary{grid-area:3/1;min-height:46px;font-size:12px}.ring-calibration>.ring-small{grid-area:4/1;font-size:9px}.ring-measure{grid-template-rows:auto minmax(80px,1fr);grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:5px 24px;display:grid}.ring-estimate{grid-area:1/1}.ring-estimate output{font-size:52px}.ring-estimate p{font-size:11px}.ring-measure-note{grid-area:1/2;align-self:center;font-size:10px}.ring-measure-stage{grid-area:2/2}.ring-measure-controls{grid-area:2/1;align-self:center;gap:3px}.ring-measure-controls .ring-small{font-size:9px}.ring-measure-controls .ring-nearest{font-size:10px}}