/* A quiet, playable notebook for the same ThreeStones geometry. */
#experiments{padding:27px 0 52px}
.lab-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:34px;gap:20px}
.lab-heading .page-title{font-size:clamp(32px,3.4vw,46px);margin:0 0 10px;font-weight:400}
.lab-heading .subtitle{font-size:11px;letter-spacing:.025em;color:var(--muted)}
.lab-edition{font-size:9px;color:var(--muted);letter-spacing:.14em;padding-bottom:3px;white-space:nowrap}
.study-tabs{display:flex;width:67%;gap:32px;margin-bottom:20px}
.study-tab{display:flex;align-items:center;gap:12px;min-height:44px;padding:7px 0;background:none;border:0;color:var(--muted);position:relative;text-align:left;transition:color .25s}
.study-tab::after{content:'';height:1px;background:currentColor;position:absolute;bottom:0;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .3s}
.study-tab[aria-pressed="true"]{color:var(--text)}
.study-tab[aria-pressed="true"]::after{transform:scaleX(1)}
.study-tab:hover{color:var(--text)}
.study-tab-index{font-size:9px;opacity:.55}
.study-tab-name{font-size:13px;letter-spacing:.015em}
.study-tab-name small{font-family:'Noto Sans SC',sans-serif;font-size:9px;display:inline-block;margin-left:8px;font-weight:300;opacity:.62}
.study-layout{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(240px,.8fr);gap:clamp(40px,6vw,100px);align-items:stretch}
.study-player{min-width:0}
.study-figure{height:clamp(350px,44svh,470px);position:relative;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 48%,rgba(205,216,187,.025),transparent 65%);display:flex;justify-content:center;align-items:center}
.study-figure::before,.study-figure::after{content:'';position:absolute;width:5px;height:5px;border-radius:50%;border:1px solid #4f5549;opacity:.55}
.study-figure::before{left:-3px;top:-3px}.study-figure::after{right:-3px;bottom:-3px}
.study-figure-meta{position:absolute;top:22px;left:24px;right:24px;display:flex;justify-content:space-between;align-items:center;color:#7e8875;font-size:9px;letter-spacing:.13em;pointer-events:none}
.study-figure-meta b{font-weight:400;color:#abb3a2;margin-right:9px}
.study-phase{font-size:8px;color:#878f7e;letter-spacing:.1em}
#experiment-canvas{display:block;width:min(76%,440px);height:82%;overflow:visible;color:#d3d9c7}
.study-outline,.study-detail,.study-filament{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.study-outline{stroke-width:.85}.study-detail{stroke-width:.48}.study-filament{stroke-width:1.1}
.study-point,.study-points,.study-seed,.study-pen{fill:currentColor;stroke:none}
.study-fabric{color:#bfcab3}
.study-outline,.study-detail{transition:stroke .3s}
.study-controls{display:flex;align-items:center;gap:17px;min-height:68px}
.study-transport{display:flex;align-items:center;gap:14px;flex-shrink:0}
.study-transport button{border:0;padding:10px 0;background:none;display:flex;align-items:center;gap:8px;font-size:10px;color:#aab19f;min-height:44px}
.study-transport button:hover{color:var(--text)}
.study-transport svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.1}
#study-toggle{min-width:52px}
#study-toggle .play-symbol{display:block;fill:currentColor;stroke:none}
#study-toggle .pause-symbol{display:none}
#study-toggle.is-playing .play-symbol{display:none}
#study-toggle.is-playing .pause-symbol{display:block}
.study-divider{height:12px;width:1px;background:var(--line);flex-shrink:0}
.study-timeline{display:flex;align-items:center;gap:14px;flex:1;min-width:0}
#study-progress{--progress:0%;appearance:none;-webkit-appearance:none;display:block;flex:1;min-width:0;width:100%;height:32px;background:transparent;border:0;border-radius:0;cursor:pointer;padding:0;margin:0}
#study-progress::-webkit-slider-runnable-track{height:3px;background:linear-gradient(to right,#a7b59b var(--progress),var(--line) var(--progress))}
#study-progress::-moz-range-track{height:3px;background:linear-gradient(to right,#a7b59b var(--progress),var(--line) var(--progress))}
#study-progress::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:7px;height:7px;margin-top:-2px;background:#dce2d0;border-radius:50%;border:0;box-shadow:0 0 0 7px transparent}
#study-progress::-moz-range-thumb{width:7px;height:7px;background:#dce2d0;border-radius:50%;border:0}
#study-progress:focus-visible{outline:1px solid #7d8a70;outline-offset:7px}
#study-percent{color:var(--muted);font-size:9px;font-variant-numeric:tabular-nums;min-width:33px;text-align:right}
.study-caption{padding:45px 0 12px;display:flex;flex-direction:column;align-items:flex-start;min-width:0}
.study-kicker{font-size:9px;letter-spacing:.14em;color:#838c78;margin:0 0 24px}
#study-title{font-size:clamp(26px,2.5vw,37px);font-weight:400;letter-spacing:-.055em;line-height:1.12;max-width:270px;margin:0 0 20px}
#study-description{font-family:'Noto Sans SC',sans-serif;font-weight:300;font-size:11px;line-height:2;color:#a1aa95;max-width:230px;margin:0;min-height:44px}
.study-options{min-height:86px;padding-top:27px}
.study-option-label{display:block;font-family:'Noto Sans SC',sans-serif;font-size:9px;letter-spacing:.04em;color:#7c8771;margin-bottom:10px}
.study-option-buttons{display:flex;align-items:center;gap:17px;flex-wrap:wrap}
.study-option-buttons button{font-size:10px;background:none;border:0;border-bottom:1px solid transparent;padding:7px 0;color:var(--muted);min-height:32px}
.study-option-buttons button[aria-pressed="true"]{color:var(--text);border-bottom-color:#939e87}
.study-option-buttons button:hover{color:var(--text)}
#study-style[hidden],#study-project[hidden]{display:none}
.study-philosophy{margin:auto 0 54px;padding-top:22px;font-family:'Noto Sans SC',sans-serif;font-size:10px;line-height:1.9;color:#7b8570;letter-spacing:.035em}
.study-philosophy::before{content:'';display:block;width:20px;height:1px;background:#454e3e;margin-bottom:17px}
.lab-footnote{display:flex;justify-content:space-between;gap:20px;font-size:9px;color:#707967;letter-spacing:.035em;margin-top:28px;line-height:1.8}
.lab-footnote span:last-child{font-family:'Noto Sans SC',sans-serif;font-weight:300}
.light .study-figure{background:radial-gradient(ellipse at 50% 48%,rgba(95,119,75,.045),transparent 65%)}
.light #experiment-canvas{color:#56654a}
.light .study-figure-meta,.light .study-phase,.light .study-kicker{color:#748168}
.light .study-figure-meta b,.light #study-description,.light .study-transport button{color:#65735b}
.light .study-fabric{color:#718764}
.light #study-progress::-webkit-slider-runnable-track{background:linear-gradient(to right,#74896b var(--progress),var(--line) var(--progress))}
.light #study-progress::-moz-range-track{background:linear-gradient(to right,#74896b var(--progress),var(--line) var(--progress))}
.light #study-progress::-webkit-slider-thumb{background:#526e46}
.light #study-progress::-moz-range-thumb{background:#526e46}
.light .study-philosophy,.light .lab-footnote{color:#79876c}
.light #experiments button:focus-visible,.light #study-progress:focus-visible{outline-color:#526e46}
.light .study-tab-name small{color:#65735b;opacity:1}
@media(min-width:1500px){.study-caption{padding-top:55px}.study-figure{height:490px}}
@media(max-width:900px){.study-layout{grid-template-columns:minmax(0,1.65fr) minmax(190px,.85fr);gap:35px}.study-tabs{width:100%;gap:26px}.study-figure{height:360px}#experiment-canvas{width:88%}.study-caption{padding-top:36px}.study-philosophy{margin-bottom:50px}.study-transport{gap:10px}.study-controls{gap:13px}.study-tab-name{font-size:12px}}
@media(max-width:600px){#experiments{padding:25px 0 34px}.lab-heading{margin-bottom:25px}.lab-heading .page-title{font-size:35px}.lab-heading .subtitle{font-size:10px}.lab-edition{font-size:7px;letter-spacing:.09em}.study-tabs{gap:0;justify-content:space-between;margin-bottom:18px}.study-tab{gap:7px;padding-right:5px}.study-tab-name{font-size:12px}.study-tab-name small{margin-left:5px;font-size:8px}.study-tab-index{font-size:8px}.study-layout{display:flex;flex-direction:column;gap:0}.study-figure{height:auto;aspect-ratio:1.15}.study-figure-meta{top:18px;left:18px;right:18px;font-size:8px}.study-phase{font-size:7px}#experiment-canvas{width:90%;height:88%;max-height:310px}.study-controls{min-height:64px;gap:13px}.study-transport{gap:13px}.study-transport button{font-size:9px;gap:6px}.study-timeline{gap:10px}#study-percent{font-size:8px;min-width:28px}.study-caption{padding:27px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:0 20px;position:relative;align-items:start}.study-kicker{grid-column:1 / -1;margin-bottom:15px;font-size:8px}#study-title{font-size:29px;max-width:210px;margin-bottom:13px;grid-column:1 / -1}#study-description{font-size:10px;max-width:220px;min-height:40px;grid-column:1 / -1}.study-options{grid-column:1 / -1;min-height:65px;padding-top:19px}.study-option-label{font-size:8px;margin-bottom:5px}.study-option-buttons{gap:22px}.study-option-buttons button{font-size:9px}.study-philosophy{grid-column:1 / -1;padding-top:14px;margin:0;font-size:9px}.study-philosophy::before{display:none}.lab-footnote{margin-top:35px;font-size:8px;gap:10px}.lab-footnote span:last-child{max-width:130px;text-align:right}}
@media(prefers-reduced-motion:reduce){.study-tab,.study-tab::after,.study-outline,.study-detail{transition:none}}
@media(max-width:400px){.lab-edition{display:none}}