:root{color-scheme:dark;--bg: #0b0d10;--pane: #06070a;--glass: rgba(20, 23, 28, .55);--hair: rgba(255, 255, 255, .1);--hair-soft: rgba(255, 255, 255, .06);--ink: #cdd3db;--muted: #9aa4b2;--faint: #6b7480;--accent: #8ab4f8;--accent-fill: rgba(138, 180, 248, .16);--accent-fill-on: rgba(138, 180, 248, .24);--accent-line: rgba(138, 180, 248, .55);--shadow: 0 10px 34px rgba(0, 0, 0, .46);--btn-bg: rgba(255, 255, 255, .03);--vrange: rgba(255, 255, 255, .78);--scrollbar: rgba(255, 255, 255, .12);--settings-bg: rgba(255, 255, 255, .04);--dot-shadow: rgba(255, 255, 255, .12);--swatch-ring: rgba(255, 255, 255, .18);--scale-bar: rgba(255, 255, 255, .55);--hud: #a9e6c0;--r-lg: 20px;--r-md: 13px;--r-sm: 10px}:root[data-theme=light]{color-scheme:light;--bg: #eef1f5;--pane: #f5f7fa;--glass: rgba(255, 255, 255, .72);--hair: rgba(20, 26, 33, .14);--hair-soft: rgba(20, 26, 33, .07);--ink: #232830;--muted: #5b6470;--faint: #8a929e;--accent: #1a73e8;--accent-fill: rgba(26, 115, 232, .12);--accent-fill-on: rgba(26, 115, 232, .2);--accent-line: rgba(26, 115, 232, .5);--shadow: 0 8px 28px rgba(20, 33, 56, .16);--btn-bg: rgba(20, 26, 33, .03);--vrange: rgba(20, 26, 33, .45);--scrollbar: rgba(20, 26, 33, .18);--settings-bg: rgba(20, 26, 33, .04);--dot-shadow: rgba(20, 26, 33, .12);--swatch-ring: rgba(20, 26, 33, .18);--scale-bar: rgba(20, 26, 33, .45);--hud: #1a7f4b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.45 Google Sans,Product Sans,system-ui,Roboto,-apple-system,Segoe UI,sans-serif;display:flex;flex-direction:column;height:100vh;overflow:hidden}#mri-root{position:relative;flex:1;min-height:0}#mri-stage{position:absolute;top:0;right:0;bottom:0;left:0;display:flex}.pane{position:relative;flex:1 1 50%;min-width:0;overflow:hidden;background:var(--pane)}#pane-left{touch-action:none;cursor:grab}#pane-right{box-shadow:inset 1px 0 0 var(--hair-soft)}.pane canvas{display:block}#mri-root[data-layout=flat] #pane-left,#mri-root[data-layout=flat] #axis,#mri-root[data-layout=flat] #zoom-left,#mri-root[data-layout=flat] #slice-slider,#mri-root[data-layout=flat] #thick-slider{display:none}#mri-root[data-layout=flat] #pane-right{flex-basis:100%}#mri-error{display:none;position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;align-items:center;justify-content:center;padding:24px;background:var(--pane);color:var(--ink);text-align:center}#mri-error[data-show]{display:flex}.mri-error-card{max-width:460px;display:flex;flex-direction:column;gap:10px}.mri-error-title{font-size:17px;font-weight:600}.mri-error-detail{font-size:13px;line-height:1.5;color:var(--muted)}.mri-error-ref{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--faint);word-break:break-all}#mri-legend{display:none;position:absolute;left:16px;bottom:16px;z-index:20;padding:10px 12px;max-width:200px;color:var(--ink)}#mri-legend[data-show]{display:block}.legend-title{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}.legend-row{display:flex;align-items:center;gap:8px;margin:4px 0}.legend-swatch{width:12px;height:12px;border-radius:3px;flex:0 0 auto;box-shadow:0 0 0 1px var(--swatch-ring)}.legend-label{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.legend-bar{width:168px;height:10px;border-radius:3px;box-shadow:0 0 0 1px var(--swatch-ring)}.legend-ticks{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:4px}@media(max-width:560px){#mri-legend{left:10px;bottom:64px;padding:8px 10px;max-width:150px}.legend-bar{width:128px}}.glass{background:var(--glass);-webkit-backdrop-filter:blur(22px) saturate(1.25);backdrop-filter:blur(22px) saturate(1.25);border:1px solid var(--hair);border-radius:var(--r-lg);box-shadow:var(--shadow)}.chip{background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--hair-soft);border-radius:999px;padding:5px 11px;font-size:11px;color:var(--muted)}.pane-label{position:absolute;top:14px;left:14px;pointer-events:none}.info-chip{position:absolute;top:14px;right:14px;pointer-events:none;color:var(--muted)}#zoom-left{position:absolute;right:calc(50% + 178px);bottom:88px;pointer-events:none;color:var(--ink);font-variant-numeric:tabular-nums}.scale-zoom{position:absolute;left:70px;bottom:90px;display:flex;flex-direction:row;align-items:center;gap:7px;pointer-events:none;color:var(--muted);font-size:10px}.scale-zoom .bar{width:60px;height:7px;border:1px solid var(--scale-bar);border-top:none}#mri-hud{position:absolute;bottom:22px;left:14px;padding:8px 11px;border-radius:var(--r-md);background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--hair-soft);white-space:pre;pointer-events:none;font-size:11.5px;color:var(--hud)}button,select{background:var(--btn-bg);color:var(--ink);border:1px solid var(--hair);border-radius:var(--r-sm);padding:6px 12px;font:inherit;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease}button:hover,select:hover{background:var(--accent-fill);border-color:var(--accent-line);color:var(--accent)}button.active{background:var(--accent-fill-on);border-color:var(--accent-line);color:var(--accent)}button:disabled{opacity:.4;cursor:default}.mri-range{accent-color:var(--accent)}.mri-range:disabled{opacity:.4}.vrange{accent-color:var(--vrange)}.vrange:hover{accent-color:var(--accent)}#tools{position:absolute;left:16px;top:50%;transform:translateY(-50%);padding:8px;display:flex;flex-direction:column;gap:6px}#tools button{width:40px;height:40px;padding:0;display:grid;place-items:center;border-radius:var(--r-md)}#tools svg{width:19px;height:19px}.sep{height:1px;background:var(--hair);margin:2px 4px}#axis{position:absolute;right:calc(50% + 70px);bottom:86px;display:flex}#axis button{padding:5px 11px;border-radius:0;border-right-width:0;font-size:12px}#axis button:first-child{border-top-left-radius:var(--r-sm);border-bottom-left-radius:var(--r-sm)}#axis button:last-child{border-right-width:1px;border-top-right-radius:var(--r-sm);border-bottom-right-radius:var(--r-sm)}.slider-panel{position:absolute;bottom:84px;height:33vh;min-height:180px;width:46px;padding:12px 6px;display:flex;flex-direction:column;align-items:center;gap:8px}.slider-panel .vrange{writing-mode:vertical-lr;direction:rtl;width:20px;flex:1}.slider-label{color:var(--faint);font-size:10px}#slice-slider{right:calc(50% + 12px)}#thick-slider{left:calc(50% + 12px)}#rail-right{position:absolute;right:16px;top:16px;bottom:92px;width:206px;padding:10px 9px;display:flex;flex-direction:column;gap:3px;overflow-y:auto}#mri-root[data-layers=mini] #rail-right{display:none}#rail-right::-webkit-scrollbar{width:8px}#rail-right::-webkit-scrollbar-thumb{background:var(--scrollbar);border-radius:999px}.rail-head{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:0 2px}.rail-heading{color:var(--faint);font-size:10px;letter-spacing:.1em;text-transform:uppercase}.head-btns{display:flex;gap:5px}.icon-btn{padding:3px 8px;border-radius:999px;font-size:13px;line-height:1}.settings-panel{display:none;flex-direction:column;gap:7px;padding:10px;margin:4px 0 6px;border-radius:var(--r-md);background:var(--settings-bg);border:1px solid var(--hair-soft)}.settings-panel.open{display:flex}.settings-panel .lbl{color:var(--muted);font-size:11px}.settings-panel select,.settings-panel button{width:100%;text-align:left}.group-label{color:var(--faint);font-size:10px;letter-spacing:.08em;margin:8px 4px 2px}.rail-divider{height:1px;background:var(--hair);margin:8px 4px}.layer-list{display:flex;flex-direction:column;gap:4px}.layer{display:flex;align-items:center;gap:9px;text-align:left;border-radius:var(--r-md);padding:6px 9px;overflow:hidden;white-space:nowrap}.layer .dot{width:11px;height:11px;border-radius:3px;flex:0 0 auto;box-shadow:0 0 6px var(--dot-shadow)}.layer .name{overflow:hidden;text-overflow:ellipsis}#layers-mini{position:absolute;right:16px;top:50%;transform:translateY(-50%);padding:8px;display:none;flex-direction:column;gap:6px}#mri-root[data-layers=mini] #layers-mini{display:flex}#layers-mini button{width:40px;height:40px;padding:0;display:grid;place-items:center;border-radius:var(--r-md)}#layers-mini .swatch .sw{width:22px;height:22px;border-radius:6px;box-shadow:inset 0 0 0 1px var(--swatch-ring)}#layers-mini .swatch.active{background:var(--accent-fill-on);border-color:var(--accent-line)}#layers-mini .swatch.active .sw{box-shadow:inset 0 0 0 1px var(--swatch-ring),0 0 0 2px var(--accent)}#layers-mini svg{width:18px;height:18px}#mri-transport{position:absolute;bottom:16px;left:50%;transform:translate(-50%);width:min(700px,calc(100% - 240px));display:flex;align-items:center;gap:12px;padding:9px 16px;border-radius:999px}#mri-transport button{border-radius:999px;min-width:40px;padding:7px 0;font-size:15px;line-height:1;text-align:center}#mri-transport button.play{min-width:46px;background:var(--accent-fill-on);border-color:var(--accent-line);color:var(--accent)}#mri-transport button.play:hover{background:var(--accent-fill)}.mri-scrub{flex:1;min-width:110px}.time{color:var(--muted);font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}.time b{color:var(--ink);font-weight:500}.speed{padding:4px 9px;border-radius:999px;font-size:11px;min-width:0}#mri-transport .fs{display:grid;place-items:center;min-width:36px}#mri-transport .fs svg{width:16px;height:16px}.lbl{color:var(--faint)}