:root{--bg: #000000;--bg-card: #0b0b0b;--bg-card-2: #141414;--bg-hover: #1a1a1a;--border: #262626;--border-2: #3a3a3a;--border-3: #525252;--text: #ffffff;--text-2: #d4d4d4;--text-muted: #888888;--text-dim: #555555;--brown: #b08968;--brown-soft: #7a5f46;--brown-bright:#d4a574;--brown-dim: #4a3828;--series-ours: #b08968;--series-ip: #e5e5e5;--good: #d4d4d4;--bad: #888888;--mono: "SF Mono", ui-monospace, "Menlo", "Consolas", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,PingFang SC,Hiragino Sans GB,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{padding:24px 28px 48px}.root{max-width:1280px;margin:0 auto}.header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;flex-wrap:wrap;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--border)}.header h1{font-size:26px;font-weight:600;letter-spacing:-.01em;color:var(--text);line-height:1.15;font-family:var(--mono);text-transform:uppercase}.sample-picker{display:flex;align-items:stretch;margin-bottom:18px;border:1px solid var(--border);background:var(--bg-card)}.sample-picker-label{padding:0 18px;display:flex;align-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);border-right:1px solid var(--border);background:var(--bg-card-2)}.sample-strip{display:flex;flex:1;overflow-x:auto;scrollbar-width:thin}.sample-chip{flex:1 0 auto;min-width:60px;padding:10px 6px;background:transparent;border:none;border-right:1px solid var(--border);color:var(--text-muted);font-family:var(--mono);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;transition:background .12s,color .12s}.sample-chip:last-child{border-right:none}.sample-chip:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.sample-chip.active{background:var(--brown);color:#000}.sample-chip.active .sample-chip-delta{color:#000;opacity:.75}.sample-chip:disabled{cursor:not-allowed;opacity:.4}.sample-chip-idx{font-size:12px;font-weight:600;letter-spacing:.04em}.sample-chip-delta{font-size:9px;letter-spacing:.05em;color:var(--brown-bright);font-weight:500}.metrics{background:var(--bg-card);border:1px solid var(--border);padding:22px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-bottom:18px}.mcard{text-align:left;padding:2px 24px;position:relative}.mcard:first-child{padding-left:0}.mcard+.mcard:before{content:"";position:absolute;left:0;top:14%;bottom:14%;width:1px;background:var(--border)}.mlabel{font-size:10px;color:var(--text-muted);margin-bottom:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;font-family:var(--mono)}.mval{font-size:30px;font-weight:500;color:var(--text);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1;font-family:var(--mono)}.mval.good{color:var(--brown-bright)}.mval.bad{color:var(--text-2)}.phase-bar{display:flex;gap:0;align-items:stretch;margin-bottom:16px;border:1px solid var(--border);background:var(--bg-card)}.chip{padding:9px 14px;font-size:10px;font-weight:500;transition:background .15s,color .15s;background:transparent;color:var(--text-dim);border-right:1px solid var(--border);letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono);flex:1;text-align:center}.chip:last-child{border-right:none}.chip.active{background:var(--brown);color:#000}.sep{display:none}.controls{display:flex;align-items:center;gap:0;margin-bottom:16px;border:1px solid var(--border);background:var(--bg-card)}.controls>*+*{border-left:1px solid var(--border)}.btn{padding:11px 20px;border:none;font-size:11px;cursor:pointer;background:transparent;color:var(--text-2);font-family:var(--mono);transition:background .12s,color .12s;letter-spacing:.08em;text-transform:uppercase;font-weight:500}.btn:hover{background:var(--bg-hover);color:var(--text)}.btn.primary{background:var(--brown);color:#000;font-weight:600}.btn.primary:hover{background:var(--brown-bright);color:#000}.btn:disabled{opacity:.3;cursor:not-allowed;background:transparent}.btn:disabled:hover{background:transparent;color:var(--text-2)}.controls .step-counter{margin-left:auto;padding:11px 18px;font-size:10px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.controls .step-counter strong{color:var(--brown-bright);font-weight:500}select{font-size:11.5px;border:1px solid var(--border-2);padding:8px 10px;background:var(--bg-card);color:var(--text);font-family:inherit}.panels-pairs{display:flex;flex-direction:column;gap:14px;margin-bottom:14px}.panel-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:stretch}@media (max-width: 820px){.panel-pair{grid-template-columns:1fr}}.panels-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:14px;align-items:stretch}.panel{background:var(--bg-card);border:1px solid var(--border);padding:0;display:flex;flex-direction:column}.panel.highlight-ours{border-top:2px solid var(--brown)}.panel.highlight-ip{border-top:2px solid var(--series-ip)}.panel.highlight-gt{border-top:2px solid var(--border-3)}.phead{height:72px;padding:14px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;justify-content:center}.ptitle{font-size:16px;font-weight:500;color:var(--text);letter-spacing:.01em;line-height:1.2;font-family:var(--mono)}.psub{font-size:11px;color:var(--text-muted);margin-top:4px;letter-spacing:.08em;font-family:var(--mono);text-transform:uppercase}.panel .square-canvas{margin:16px;width:calc(100% - 32px)}.panel-chart{background:var(--bg-card);border:1px solid var(--border);padding:18px 20px 20px}canvas{display:block}.square-canvas{width:100%;aspect-ratio:1;height:auto;background:#0a0907;border:1px solid var(--border)}.note{font-size:10px;color:var(--text-dim);margin-top:10px;line-height:1.6;letter-spacing:.04em;font-family:var(--mono);text-transform:uppercase}.note b{color:var(--brown-bright);font-weight:500}.legend{display:flex;gap:18px;align-items:center;font-size:10px;color:var(--text-muted);margin-top:10px;flex-wrap:wrap;font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase}.ldot{width:8px;height:8px;display:inline-block;margin-right:8px;vertical-align:middle}.lline{width:22px;display:inline-block;margin-right:8px;vertical-align:middle}.panel-rmse{font-size:10.5px;color:var(--text-muted);margin-top:8px;font-variant-numeric:tabular-nums;letter-spacing:.06em;font-family:var(--mono);text-transform:uppercase}.panel-rmse b{font-weight:600;color:var(--brown-bright)}.rmse-explainer{margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:11px;line-height:1.7;color:var(--text-muted);letter-spacing:.02em}.rmse-explainer b{color:var(--brown-bright);font-weight:600;letter-spacing:.1em;font-family:var(--mono);text-transform:uppercase;font-size:10.5px;margin-right:4px}.rmse-formula{font-family:var(--mono);font-size:10.5px;color:var(--text);background:var(--bg-card-2);padding:2px 10px;border:1px solid var(--border-2);margin-left:2px;white-space:nowrap}.rmse-sep{color:var(--border-3);margin:0 8px;font-weight:700}.three-btn{border-color:var(--brown-soft);color:var(--brown-bright)}.three-btn:hover:not(:disabled){background:var(--brown-dim);border-color:var(--brown)}.three-btn:disabled{opacity:.32;cursor:not-allowed}.three-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin-bottom:24px}@media (max-width: 1100px){.three-grid{grid-template-columns:1fr}}.three-panel{padding:12px 12px 10px;min-height:500px;display:flex;flex-direction:column}.three-host{flex:1 1 auto;min-height:440px;width:100%;background:#050505;border:1px solid var(--border);overflow:hidden;cursor:grab}.three-host:active{cursor:grabbing}.three-hint{margin-top:10px;font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--text-muted);line-height:1.6;display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px}.tier-sw{width:10px;height:10px;border:1px solid var(--border-2);display:inline-block;vertical-align:middle;margin-right:2px}.tier-outer{background:#febc5573}.tier-inner{background:#993404}.tier-low{background:#440154d9}.tier-mid{background:#29788e}.tier-hi{background:#fde725}.heat-low{background:#ffe082}.heat-mid{background:#fd942d}.heat-hi{background:#ce2842}.tier-sep{color:var(--border-3);margin:0 2px}.geo-legend{row-gap:6px}.geo-leg-item{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.geo-sw{width:10px;height:10px;border:1px solid rgba(0,0,0,.3);display:inline-block}.three-wrap{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}.step-scrubber{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--brown-soft);padding:12px 16px 14px;display:flex;flex-direction:column;gap:10px}.step-scrubber-label{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase}.step-scrubber-title{color:var(--text-muted)}.step-scrubber-value{color:var(--text-2);font-variant-numeric:tabular-nums}.step-scrubber-value strong{color:var(--brown-bright);font-weight:600;font-size:14px;margin-right:4px}.step-chips{display:grid;grid-template-columns:repeat(11,1fr);gap:0}.step-chip{min-width:0;padding:5px 4px;text-align:center;background:var(--bg-card-2);border:1px solid var(--border);border-right:none;color:var(--text-muted);font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;cursor:pointer;transition:all .12s ease;font-variant-numeric:tabular-nums}.step-chip:last-child{border-right:1px solid var(--border)}.step-chip:hover:not(.active){color:var(--text-2);border-color:var(--border-2);background:var(--bg-hover)}.step-chip.active{color:#1a1208;background:var(--brown-bright);border-color:var(--brown);font-weight:600}.step-range-wrap{padding:0 calc(100% / 22);box-sizing:border-box}.step-range{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:2px;background:var(--border-2);outline:none;cursor:pointer;display:block}.step-range::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;background:var(--brown-bright);border:1px solid var(--brown);border-radius:50%;cursor:pointer}.step-range::-moz-range-thumb{width:14px;height:14px;background:var(--brown-bright);border:1px solid var(--brown);border-radius:50%;cursor:pointer}.no3d-panel .no3d-frame{position:relative;flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:440px;background:#0a0a0a;border:1px dashed var(--border-2);overflow:hidden}.no3d-panel .no3d-frame canvas{max-width:86%;max-height:86%;opacity:.8;filter:saturate(.85)}.no3d-stamp{position:absolute;top:10px;left:10px;right:10px;text-align:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#f4b77a;padding:6px 10px;border:1px solid rgba(180,120,60,.35);background:#140c06b8;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:2;pointer-events:none}.no3d-hint{color:var(--text-2);text-transform:none;letter-spacing:0;line-height:1.55}.colorbar{margin:-4px 16px 14px;display:flex;flex-direction:column;gap:3px}.colorbar-canvas{width:100%;height:11px;display:block;border:1px solid var(--border);image-rendering:pixelated}.colorbar-ticks{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:var(--text-muted);font-variant-numeric:tabular-nums;letter-spacing:.04em}.colorbar-label{font-family:var(--mono);font-size:9px;color:var(--text-dim);letter-spacing:.14em;text-transform:uppercase;margin-top:1px;text-align:center}.geo-filter{display:flex;gap:6px;padding:8px 12px 0}.geo-filter-btn{padding:4px 12px;background:var(--bg-card-2);border:1px solid var(--border);color:var(--text-muted);font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:color .12s,border-color .12s,background .12s}.geo-filter-btn:hover:not(.on){color:var(--text-2);border-color:var(--border-2)}.geo-filter-btn.on{color:#1a1208;background:var(--brown-bright);border-color:var(--brown);font-weight:600}