.lab-page{background:var(--color-parchment);color:var(--color-ink);padding-top:var(--header-h)}.lab-hero{padding:calc(var(--header-h) + 72px) var(--gutter) 56px;text-align:center}.lab-hero__eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--color-teal)}.lab-hero__title{margin-top:14px;font-family:var(--font-serif);font-weight:400;font-size:clamp(1.9rem,4.6vw,2.9rem);letter-spacing:.12em;color:var(--color-black-dark)}.lab-hero__lead{margin:18px auto 0;max-width:560px;font-size:14px;line-height:2;color:var(--color-ink);opacity:.8}.lab-section{padding:56px var(--gutter)}.lab-section__inner{max-width:var(--max-w);margin:0 auto}.lab-section+.lab-section{border-top:1px solid rgba(73,74,53,.1)}.lab-section__head{margin-bottom:28px}.lab-label{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--color-teal)}.lab-section__title{margin-top:10px;font-family:var(--font-serif);font-weight:400;font-size:1.35rem;letter-spacing:.08em;color:var(--color-black-dark)}.lab-section__desc{margin-top:12px;max-width:640px;font-size:13.5px;line-height:2;color:var(--color-ink);opacity:.85}.lab-panel{--color-parchment: #F5F3EC;--color-parchment-dk: #EAE7DC;--color-black-dark: #0C0C09;--color-black: #12130F;--color-black-lt: #2D2F26;--color-ink: #4D4F3B;--color-ink-muted: #5C5E43;--color-earth: #494A35;--color-sage: #929479;--color-sage-lt: #DDDFC5;--color-sage-dk: #727556;--color-teal: #4A6B5A;--color-amber: #8B6914;background:var(--color-black-dark);border-radius:6px;padding:clamp(18px,3.5vw,34px)}.lab-panel__caption{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--color-sage);margin-bottom:14px}.lab-panel canvas{display:block;border-radius:3px}.ks-stage{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ks-panel__wrap{position:relative;border-radius:3px;overflow:hidden;background:#000}.ks-panel__wrap canvas{width:100%;aspect-ratio:1 / 1}.js-recon{image-rendering:pixelated}.ks-panel__wrap .js-kspace-overlay{position:absolute;inset:0;touch-action:none;cursor:crosshair}.ks-hint{margin-top:10px;font-size:11.5px;line-height:1.8;color:var(--color-sage)}.lab-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.lab-btn{min-height:44px;padding:10px 18px;font-family:var(--font-serif);font-size:12.5px;letter-spacing:.08em;color:var(--color-sage-lt);background:transparent;border:1px solid rgba(221,223,197,.28);border-radius:3px;cursor:pointer;transition:background-color .25s ease,color .25s ease,border-color .25s ease}.lab-btn:hover{border-color:var(--color-sage-lt)}.lab-btn--primary{color:var(--color-black-dark);background:var(--color-sage-lt);border-color:var(--color-sage-lt)}.lab-btn--primary:hover{background:#fff;border-color:#fff}.lab-btn:focus-visible{outline:2px solid var(--color-sage-lt);outline-offset:2px}.ct-stage{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:28px;align-items:start}.ct-image__wrap{background:#000;border-radius:3px;overflow:hidden}.ct-image__wrap canvas{width:100%;aspect-ratio:1 / 1;image-rendering:pixelated}.ct-params{display:grid;gap:18px}.ct-param__head{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--color-sage-lt)}.ct-param__value{font-size:15px;color:#fff}.ct-param__value small{font-size:11px;color:var(--color-sage);margin-left:3px}.lab-range{width:100%;min-height:44px;appearance:none;-webkit-appearance:none;background:transparent;cursor:pointer}.lab-range::-webkit-slider-runnable-track{height:2px;background:#dddfc540;border-radius:1px}.lab-range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;margin-top:-8px;border-radius:50%;background:var(--color-sage-lt);border:none;transition:transform .15s ease}.lab-range:hover::-webkit-slider-thumb{transform:scale(1.15)}.lab-range::-moz-range-track{height:2px;background:#dddfc540;border-radius:1px}.lab-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--color-sage-lt);border:none}.lab-range:focus-visible{outline:2px solid var(--color-sage-lt);outline-offset:4px}.ct-bars{display:grid;gap:12px}.ct-bar__head{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--color-sage-lt)}.ct-bar__value{font-family:var(--font-mono);font-size:11.5px;color:var(--color-sage)}.ct-bar__track{height:6px;border-radius:3px;background:#dddfc51f;overflow:hidden}.ct-bar__fill{height:100%;border-radius:3px;background:var(--color-sage-lt);transition:width .2s ease}.ct-bar[data-bar="3"] .ct-bar__fill,.ct-bar[data-bar="6"] .ct-bar__fill{background:var(--color-teal)}.lab-panel__note{margin-top:20px;padding-top:16px;border-top:1px solid rgba(221,223,197,.12);font-size:11.5px;line-height:1.9;color:var(--color-sage)}.terms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.term-card{padding:20px 22px;background:var(--color-parchment-dk);border:1px solid rgba(73,74,53,.12);border-radius:5px}.term-card__head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.term-card__abbr{font-family:var(--font-mono);font-size:15px;letter-spacing:.06em;color:var(--color-teal)}.term-card__name{font-family:var(--font-serif);font-size:14.5px;letter-spacing:.05em;color:var(--color-black-dark)}.term-card__kana{font-size:11px;color:var(--color-ink-muted)}.term-card__body{margin-top:12px;font-size:13px;line-height:2;color:var(--color-ink)}.term-card__formula{margin-top:10px;padding:8px 12px;background:#494a350f;border-radius:3px;font-family:var(--font-mono);font-size:11.5px;color:var(--color-earth)}.term-card__tag{display:inline-block;margin-top:12px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--color-ink-muted);border:1px solid rgba(73,74,53,.2);border-radius:2px;padding:2px 8px}.lab-footer{padding:40px var(--gutter) 72px}.lab-footer__inner{max-width:var(--max-w);margin:0 auto;font-size:11.5px;line-height:2;color:var(--color-ink-muted)}@media(max-width:768px){.ks-stage,.ct-stage,.terms-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.lab-btn,.lab-range::-webkit-slider-thumb,.ct-bar__fill{transition:none!important}}