:root{--app-accent:#ff8a1f;--bg:#0c1116;--panel:#131c23;--raised:#1b272f;--line:#2b3942;--fg:#eef2f4;--muted:#a5b4be;--accent-text:#ffad62}
:root[data-theme=light]{--bg:#f3f1eb;--panel:#fffefb;--raised:#ecebe5;--line:#d8d8cf;--fg:#202f35;--muted:#586b72;--accent-text:#9d4700}
body{--app-accent:#ff8a1f}button,select,input{border-radius:7px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible,summary:focus-visible{outline:3px solid var(--app-accent);outline-offset:3px}button[aria-pressed=true]{box-shadow:inset 0 -2px var(--app-accent)}button.primary[aria-pressed=true]{color:#171c21}button.primary{background:#ff8a1f;color:#201b14}.eyebrow,output,.mini-label{color:var(--accent-text)}
.app-main{max-width:1500px;padding-top:42px}.app-intro{display:flex;max-width:none;justify-content:space-between;align-items:end;gap:24px;margin-bottom:38px}.app-intro h1{font-family:var(--font);font-size:clamp(32px,4.8vw,64px);letter-spacing:-.055em;font-weight:700;line-height:1.06}.app-intro h1 span{color:var(--app-accent)}.app-intro p:not(.eyebrow){color:var(--muted);margin-top:17px;max-width:620px}.open-lab{flex-shrink:0;display:flex;align-items:center;gap:22px;padding:12px 17px;border-bottom:1px solid var(--app-accent);text-decoration:none;font-size:13px}.open-lab span{font-size:24px;color:var(--app-accent)}
.section-label{display:flex;justify-content:space-between;gap:20px;font:10px var(--mono);letter-spacing:.08em;color:var(--muted);margin-bottom:12px}.experiment-cards{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px;margin-bottom:28px}.experiment-card{position:relative;min-height:135px;text-align:left;background:var(--panel);padding:16px;display:flex;flex-direction:column;align-items:start;gap:7px}.experiment-card .card-art{display:flex;align-items:center;height:25px;margin-bottom:5px;gap:0}.card-art i{width:21px;height:21px;display:block;border-radius:50%;margin-right:-5px;opacity:.9;background:var(--dot)}.card-art i:nth-child(3){border:1px solid #ffffff70}.experiment-card strong{font-size:13px;line-height:1.3}.experiment-card small{font-size:10px;font-weight:400;color:var(--muted);line-height:1.5}.experiment-card[aria-pressed=true]:after{content:'↗';position:absolute;right:12px;top:12px;color:var(--accent-text)}
.workbench{border:1px solid var(--line);border-radius:15px;overflow:clip;background:var(--panel);scroll-margin-top:15px}.bench-heading{padding:23px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px}.bench-heading .eyebrow{font-size:10px;margin-bottom:7px}.bench-heading h2{font-family:var(--font);font-weight:600;font-size:25px;letter-spacing:-.035em}.bench-heading .button-row button{font-size:12px}.mode-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-block:1px solid var(--line);background:var(--bg)}.mode-tabs button{border:none;border-right:1px solid var(--line);border-radius:0;background:none;min-height:62px;font-size:13px;display:flex;align-items:center;justify-content:center;gap:10px}.mode-tabs button span{font:10px var(--mono);color:var(--muted)}.mode-tabs button[aria-pressed=true]{background:color-mix(in srgb,var(--app-accent) 10%,var(--panel));color:var(--accent-text);box-shadow:inset 0 -3px var(--app-accent)}.setup-status{font-size:12px;color:var(--accent-text);padding:0 25px}.setup-status:not(:empty){padding-block:10px;border-bottom:1px solid var(--line)}
.viewer-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 22px;border-bottom:1px solid var(--line)}.viewer-tools .button-row{flex-wrap:nowrap}.viewer-tools button,.viewer-tools select{font-size:12px}.viewer-tools select{width:auto;max-width:100%}.viewer-tools>label{display:flex;align-items:center;gap:14px}.viewer-tools .check-field{font-size:13px;color:var(--fg)}.check-field input{accent-color:var(--app-accent);width:20px;height:20px;flex:none}.mix-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px}.canvas-shell{position:relative;background:#060b10;min-width:0}.canvas-shell canvas{width:100%;height:500px;display:block;touch-action:none}.canvas-badge{position:absolute;top:18px;right:18px;font:9px var(--mono);letter-spacing:.09em;color:#9aafb9;background:#101c25d9;padding:7px 10px;border:1px solid #263540;border-radius:30px;pointer-events:none}.measurement-panel{padding:28px 25px;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:stretch;justify-content:center;background:var(--panel)}.mini-label{font:10px var(--mono);letter-spacing:.12em}.sample-swatch{height:76px;width:100%;margin-top:20px;border-radius:8px;border:1px solid #87909766;box-shadow:0 6px 35px #00000013}.big-hex{font:500 26px var(--mono);margin-top:17px}.measurement-panel>p:not(.mini-label){font-size:12px;color:var(--muted);min-height:22px}.channel-bars{display:grid;gap:10px;margin:22px 0}.channel-bar{display:grid;grid-template-columns:16px 1fr 29px;gap:8px;align-items:center;font:10px var(--mono);color:var(--muted)}.channel-bar .track{height:5px;background:var(--raised);border-radius:5px;overflow:hidden}.channel-bar i{height:100%;display:block;background:var(--channel);border-radius:5px}.channel-bar b{text-align:right;font-weight:400}.all-sources{display:grid;grid-template-columns:18px 1fr;gap:7px;align-items:center;border-top:1px solid var(--line);padding-top:17px;font-size:11px}.all-sources span{grid-column:1/-1;color:var(--muted)}.all-sources i{width:16px;height:16px;border:1px solid #8888;border-radius:4px}.all-sources code{font-size:12px}.small-note{font-size:11px;color:var(--muted);line-height:1.7;margin-top:13px}.viewer-help{font-size:11px;color:var(--muted);padding:11px 22px;background:var(--bg);border-block:1px solid var(--line)}
.channel-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:22px;gap:24px}.channel-control{min-width:0}.channel-control .range-row label{display:flex;align-items:center;gap:8px;font-size:13px}.source-dot{height:9px;width:9px;border-radius:50%;background:var(--channel);box-shadow:0 0 10px color-mix(in srgb,var(--channel) 25%,transparent)}.channel-value{display:flex;align-items:center;gap:5px}.channel-value input{width:68px;min-height:44px;font:13px var(--mono);padding:5px 8px}.channel-value span{font:11px var(--mono);color:var(--muted)}.channel-control small{color:var(--muted);font-size:10px}.mix-actions{padding:0 22px 21px;display:flex;justify-content:space-between;align-items:start;gap:20px}.mix-actions .button-row{flex:1}.mix-actions button{font-size:12px}.exact-position{max-width:430px}.exact-position summary{cursor:pointer;font-size:12px;min-height:44px;padding:12px 5px;color:var(--muted)}.position-fields{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.position-fields label{font-size:11px}.position-fields input{margin-top:4px}
.contrast-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px}.contrast-stage{padding:28px;background:var(--bg);min-width:0}.contrast-preview{min-height:415px;border-radius:9px;padding:36px;display:flex;flex-direction:column;align-items:start;justify-content:center}.preview-kicker{font:10px var(--mono);letter-spacing:.08em}.contrast-preview h3{font:700 clamp(30px,3.7vw,52px)/1.04 var(--font);letter-spacing:-.05em;margin:25px 0 22px}.contrast-preview p{line-height:1.6;overflow-wrap:anywhere;max-width:100%}.contrast-preview button{color:inherit;border-color:currentColor;background:transparent;margin-top:22px;font-weight:inherit;font-size:inherit}.preview-caption{font-size:10px;line-height:1.5;margin-top:25px}.contrast-meter{padding:28px;border-left:1px solid var(--line)}#ratioValue{font:500 48px var(--mono);display:block;margin:14px 0 4px;letter-spacing:-.07em}#ratioValue span{font-size:23px;letter-spacing:0;color:var(--muted)}#contrastVerdict{font-size:13px;color:var(--accent-text)}.ratio-track{height:7px;border-radius:5px;margin:27px 0 35px;background:linear-gradient(90deg,#e97861 0%,#eab85c 20%,#60b497 33%,#60b497 100%);position:relative}.ratio-track i{position:absolute;top:-4px;height:15px;width:4px;border:1px solid var(--fg);background:var(--bg);transform:translateX(-50%)}.ratio-track span{position:absolute;top:13px;font:9px var(--mono)}.contrast-results p{display:flex;justify-content:space-between;gap:8px;padding:9px 0;border-bottom:1px solid var(--line);font-size:11px}.contrast-results b{font-weight:600}.pass{color:#64d3ac}.fail{color:#ff9e8f}:root[data-theme=light] .pass{color:#137256}:root[data-theme=light] .fail{color:#aa3826}.contrast-meter .primary{margin-top:20px;width:100%;font-size:12px}.contrast-inputs{display:grid;grid-template-columns:1fr auto 1fr 1fr 110px;gap:17px;padding:22px;align-items:center;border-top:1px solid var(--line)}.color-field{display:grid;grid-template-columns:50px 1fr;gap:8px;min-width:0}.color-field>label{grid-column:1/-1}.color-field input[type=text]{font:13px var(--mono)}.contrast-inputs>label{font-size:12px}.contrast-inputs output{float:right;font-size:11px}.contrast-inputs>button{margin-top:22px}.sample-editor{padding:0 22px 20px}.sample-editor>label{margin-bottom:6px}.sample-editor .status:empty{display:none}
.illusion-stage{height:440px;position:relative;padding:35px 35px 53px;background:var(--bg)}.illusion-pair{height:100%;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border-radius:8px}.illusion-pair>div{display:grid;place-items:center;position:relative}.illusion-chip{width:90px;height:90px}.illusion-pair small{position:absolute;bottom:18px;padding:4px 9px;background:#16222bd9;color:#e9f1f5;font:9px var(--mono);letter-spacing:.08em}.illusion-stage #illusionBridge{position:absolute;height:90px;top:calc(50% - 54px);left:calc(25% + 17.5px);right:calc(25% + 17.5px);pointer-events:none}.illusion-caption{position:absolute;bottom:17px;left:15px;right:15px;text-align:center;font-size:12px;color:var(--muted)}.illusion-controls{display:grid;grid-template-columns:100px 1fr auto auto;gap:24px;align-items:center;padding:22px}.illusion-controls label{font-size:12px}.illusion-controls input[type=color]{margin-top:7px}.illusion-controls output{float:right}.illusion-proof{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:25px;padding:12px;background:var(--bg);border-top:1px solid var(--line);font-size:12px}.illusion-proof code{margin-left:8px}.illusion-proof strong{font-weight:500;color:var(--accent-text)}
.vision-comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:25px;background:var(--bg)}.vision-comparison article{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0}.vision-comparison header{padding:22px;border-bottom:1px solid var(--line)}.vision-comparison header span{font:10px var(--mono);color:var(--muted)}.vision-comparison h3{font-size:19px;font-weight:500;margin-top:6px}.signal-dashboard{padding:25px;display:grid;gap:13px}.signal-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:7px;min-height:68px}.signal-symbol{width:31px;height:31px;flex:none;display:grid;place-items:center;border-radius:50%;font-size:17px;font-weight:700;color:#000}.signal-row strong{font-size:13px;font-weight:500}.signal-row small{display:block;font-size:10px;color:var(--muted)}.signal-row .signal-value{margin-left:auto;font:13px var(--mono);white-space:nowrap}.signal-strip{display:flex;gap:5px;margin-top:8px}.signal-strip i{height:34px;flex:1;border-radius:3px}.vision-custom{display:flex;align-items:center;gap:18px;padding:22px;flex-wrap:wrap}.vision-custom>label{font-size:11px;width:100px}.vision-custom>div{display:grid;grid-template-columns:40px auto;column-gap:10px;align-items:center}.vision-custom>div span{grid-column:1/-1;font-size:10px;color:var(--muted)}.vision-custom i{width:40px;height:40px;display:block;border:1px solid #87909766;border-radius:5px}.vision-custom code{font-size:13px}.vision-custom p{font-size:12px;color:var(--muted);max-width:270px;margin-left:auto}.color-arrow{color:var(--muted)}.model-notice{font-size:11px;padding:14px 22px;border-top:1px solid var(--line);color:var(--muted);background:var(--bg)}
.bench-footer{display:flex;align-items:center;gap:24px;justify-content:space-between;padding:16px 22px;border-top:1px solid var(--line)}.bench-footer p{font-size:12px;color:var(--muted);max-width:950px}.bench-footer button{font-size:11px;flex-shrink:0}
.discovery-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;margin-top:24px}.discovery-card{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.discovery-card h2{font-family:var(--font);font-size:22px;font-weight:600;letter-spacing:-.03em;line-height:1.3;margin-bottom:14px}.discovery-card p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:1.8}.try-this{display:grid;grid-template-columns:68px 1fr;gap:12px;border-left:2px solid var(--app-accent);padding:12px 0 12px 15px;margin-top:18px}.try-this strong{font:10px var(--mono);color:var(--accent-text);padding-top:4px}.real-world{margin-top:15px}.quiz-card .button-row{margin-top:23px}.quiz-card .button-row button{font-size:12px}.quiz-card #quizFeedback{min-height:50px;margin-top:18px}
.notebook{margin-top:24px;border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:25px}.notebook-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.notebook h2{font-family:var(--font);font-size:21px;font-weight:600;letter-spacing:-.03em}.notebook .eyebrow{margin-bottom:8px}.current-color{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.current-color>i{width:36px;height:36px;border-radius:5px;border:1px solid #87909766}.current-color code{font-size:13px}.current-color button{font-size:12px}.notebook-body{display:flex;gap:30px;justify-content:space-between;align-items:start;margin-top:22px}.notebook-body>div:first-child{flex:1}.notebook-body>.button-row{max-width:330px}.notebook-body button{font-size:11px}.palette-list{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px;max-width:680px}.palette-item .swatch{height:53px;width:100%;padding:0;border:1px solid #87909766;border-radius:6px}.palette-item .remove{width:100%;min-height:44px;padding:3px;font-size:10px;color:var(--muted);background:none;border:none}.palette-empty{font-size:12px;color:var(--muted);grid-column:1/-1;padding:15px 0}.comparison{display:flex;align-items:center;flex-wrap:wrap;gap:15px;padding-top:18px;margin-top:16px;border-top:1px solid var(--line);font-size:12px}.comparison i{width:32px;height:32px;border:1px solid #87909766;border-radius:4px}.comparison button{margin-left:auto;font-size:11px}.model-notes{margin-top:25px;border-block:1px solid var(--line);padding:18px 0}.model-notes summary{cursor:pointer;min-height:32px;font-size:13px}.model-notes p{font-size:12px;color:var(--muted);margin:15px 0;max-width:1050px}.model-notes a{font-size:12px}
@media(min-width:1700px){.canvas-shell canvas{height:570px}}@media(max-width:1100px){.experiment-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.experiment-card{min-height:110px}.mix-layout{grid-template-columns:minmax(0,1fr) 225px}.measurement-panel{padding:22px}.contrast-inputs{grid-template-columns:1fr auto 1fr}.contrast-inputs>label{grid-column:auto}.contrast-layout{grid-template-columns:minmax(0,1fr) 275px}.contrast-meter{padding:22px}.notebook-heading{align-items:start;flex-direction:column}.notebook-body{flex-direction:column}.notebook-body>div:first-child{width:100%}.notebook-body>.button-row{max-width:none}.vision-custom p{max-width:none;margin-left:0}}
@media(max-width:760px){.app-intro{align-items:start}.open-lab{display:none}.bench-heading{align-items:start;flex-direction:column;padding:20px}.mode-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-tabs button{font-size:11px;min-height:53px}.mode-tabs button:nth-child(n+4){border-top:1px solid var(--line)}.mode-tabs button span{display:none}.mix-layout{grid-template-columns:minmax(0,1fr)}.canvas-shell canvas{height:420px}.measurement-panel{border-left:none;border-top:1px solid var(--line);display:grid;grid-template-columns:60px 1fr 1fr;column-gap:15px;padding:18px 20px;align-items:center}.measurement-panel>.mini-label{grid-column:1/3}.sample-swatch{grid-column:1;grid-row:2/4;height:60px;margin:8px 0 0}.big-hex{grid-column:2;grid-row:2;font-size:21px;margin-top:8px}.measurement-panel>#probeSources{grid-column:2;grid-row:3;font-size:10px}.channel-bars{grid-column:3;grid-row:1/4;margin:0}.all-sources{grid-column:1/4;margin-top:16px;display:flex;padding-top:10px}.all-sources span{margin-right:auto}.measurement-panel>#mixExplanation{grid-column:1/4;font-size:10px;margin-top:8px}.channel-controls{gap:16px;padding:20px}.channel-control .range-row{align-items:start;flex-direction:column;gap:9px}.channel-value input{width:77px}.mix-actions{flex-direction:column;gap:8px;padding-inline:20px}.mix-actions .button-row{width:100%}.exact-position{width:100%;max-width:none}.viewer-tools{padding:12px 16px}.viewer-tools>label{flex-wrap:wrap;gap:6px}.viewer-tools select{font-size:14px}.contrast-layout{grid-template-columns:1fr}.contrast-meter{border-left:0;border-top:1px solid var(--line)}.contrast-preview{min-height:360px}.contrast-meter .primary{width:auto}.contrast-inputs{grid-template-columns:1fr 1fr;gap:15px}.contrast-inputs>button{order:5;grid-column:1/-1;margin:0}.color-field{grid-template-columns:42px 1fr}.contrast-inputs>label:last-child{width:100%}.illusion-controls{grid-template-columns:100px 1fr;gap:15px}.illusion-controls button{font-size:11px}.illusion-stage{height:355px;padding:23px 20px 49px}.illusion-chip{width:66px;height:66px}.illusion-stage #illusionBridge{height:66px;top:calc(50% - 46px);left:calc(25% + 10px);right:calc(25% + 10px)}.illusion-proof{gap:14px;font-size:11px}.vision-comparison{padding:16px;gap:12px}.vision-comparison header{padding:16px}.vision-comparison h3{font-size:16px}.signal-dashboard{padding:12px;gap:9px}.signal-row{padding:12px;gap:9px;flex-wrap:wrap}.signal-row .signal-value{width:100%;margin-left:40px;font-size:11px}.signal-row strong{font-size:12px}.signal-symbol{width:29px;height:29px}.vision-custom{padding:18px;gap:12px}.vision-custom>div{grid-template-columns:25px auto;gap:5px}.vision-custom i{width:25px;height:30px}.vision-custom code{font-size:11px}.vision-custom>label{width:100%}.vision-custom>label input{width:90px}.bench-footer{flex-direction:column;align-items:start;gap:12px}.discovery-grid{grid-template-columns:1fr}.notebook{padding:20px}.palette-list{grid-template-columns:repeat(4,minmax(0,1fr))}.notebook-body{gap:14px}}
@media(max-width:440px){.app-main{padding-inline:12px}.app-intro{margin-bottom:28px}.app-intro .eyebrow{font-size:9px}.app-intro p:not(.eyebrow){font-size:13px}.experiment-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.experiment-card{padding:13px;min-height:115px}.section-label{font-size:8px}.section-label span:last-child{display:none}.bench-heading h2{font-size:22px}.bench-heading{padding:18px}.bench-heading .button-row{gap:6px;width:100%}.bench-heading button{font-size:10px;padding-inline:9px}.viewer-tools{gap:8px}.viewer-tools .button-row{width:100%;justify-content:stretch}.viewer-tools button,.viewer-tools select{flex:1}.canvas-shell canvas{height:360px}.canvas-badge{font-size:7px;top:12px;right:12px}.measurement-panel{grid-template-columns:48px 1fr 100px;column-gap:10px;padding:16px}.big-hex{font-size:18px}.sample-swatch{height:48px}.channel-bar{grid-template-columns:10px 1fr 23px;gap:4px;font-size:9px}.channel-controls{gap:9px;padding:16px}.channel-control .range-row label{font-size:12px}.channel-value input{width:67px;font-size:16px}.viewer-help{padding-inline:16px;font-size:10px}.mix-actions{padding-inline:16px}.mix-actions button{font-size:10px;padding-inline:10px}.contrast-stage{padding:15px}.contrast-preview{padding:24px;min-height:360px}.contrast-inputs{padding:16px;gap:12px}.color-field input[type=text]{font-size:16px;padding-inline:8px}.sample-editor{padding-inline:16px}.illusion-controls{padding:16px}.illusion-stage{height:300px;padding:20px 14px 46px}.illusion-chip{width:52px;height:52px}.illusion-stage #illusionBridge{height:52px;top:calc(50% - 39px);left:calc(25% + 7px);right:calc(25% + 7px)}.illusion-caption{font-size:10px}.illusion-pair small{font-size:7px;padding:4px 6px;bottom:14px}.vision-comparison{padding:10px;gap:8px}.vision-comparison header{padding:12px}.vision-comparison header span{font-size:8px}.vision-comparison h3{font-size:14px}.signal-dashboard{padding:8px}.signal-row{padding:10px;gap:7px}.signal-row .signal-value{margin-left:0}.signal-row strong{font-size:11px}.signal-row small{font-size:9px}.signal-symbol{width:23px;height:23px;font-size:14px}.signal-strip i{height:25px}.viewer-tools #visionType{width:100%;font-size:14px}.viewer-tools>label:first-child{width:100%}.discovery-card{padding:21px}.discovery-card h2{font-size:21px}.notebook{padding:17px}.current-color{gap:9px}.current-color button{font-size:11px}.current-color code{font-size:12px}.position-fields input,.color-field input,.viewer-tools select{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}


/* Studio controls stay beside the scene; physical color examples stay separate. */
[hidden]{display:none!important}
.mode-tabs{grid-template-columns:repeat(6,minmax(0,1fr))}
.camera-tools{position:absolute;left:16px;right:16px;bottom:14px;display:flex;justify-content:space-between;gap:10px;pointer-events:none}
.camera-tools .button-row{pointer-events:auto;flex-wrap:nowrap;gap:4px;background:#0b1623e8;border:1px solid #344653;border-radius:9px;padding:4px}
.camera-tools button{min-height:44px;font-size:11px;background:#172531;color:#dae6ec;border-color:#344653}
.camera-tools button[aria-pressed=true]{color:#ffae67;border-color:#ff8a1f;background:#34271c}
.lamp-inspector{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:28px;padding:21px 22px;border-bottom:1px solid var(--line);background:var(--bg)}
.lamp-inspector>label{font-size:12px;display:block;min-width:0}.lamp-inspector output{float:right;font:11px var(--mono)}
.lamp-inspector input[type=range]{margin-top:10px;min-height:30px}
.lamp-switches label{display:flex;align-items:center;gap:9px;min-height:34px;font-size:12px}
.lamp-switches input,.paint-gray-control input{width:19px;height:19px;accent-color:#ff8a1f;flex:none}
.lamp-switches .small-note{margin-top:4px;font-size:10px}
.color-stories{margin-top:24px;padding:28px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.story-heading h2{font:600 clamp(24px,3vw,35px)/1.2 var(--font);letter-spacing:-.04em}.story-heading>p:last-child{font-size:14px;color:var(--muted);max-width:740px;margin-top:13px}
.story-tabs{margin:24px 0}.story-tabs button{font-size:13px}.story-tabs button[aria-pressed=true]{border-color:#ff8a1f;color:var(--accent-text)}
.story-content{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:36px;align-items:start}.story-demo{min-width:0}.story-demo>.button-row{margin-top:14px}.story-demo button{font-size:12px}
.story-poster{height:350px;position:relative;overflow:hidden;isolation:isolate;padding:28px;background:#261c27;color:#fff3dd;border-radius:9px}
.story-poster>span{display:block;font:10px var(--mono);letter-spacing:.18em;position:relative;z-index:1}.story-poster>strong{display:block;font:700 clamp(36px,4.4vw,60px)/1 var(--font);letter-spacing:-.05em;margin-top:35px;position:relative;z-index:1}.story-poster>small{position:absolute;bottom:22px;left:28px;font-size:11px;z-index:1}
.poster-orb{position:absolute;width:260px;height:260px;right:-60px;bottom:-20px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#ffe0ad,#ff8a1f 36%,#b23427 70%,#462232);box-shadow:-35px -30px 90px #ff6c2829}
.story-poster[data-mood=cool]{background:#101e34;color:#e5f4ff}.story-poster[data-mood=cool] .poster-orb{background:radial-gradient(circle at 30% 25%,#e0fbff,#42add9 36%,#314b9c 70%,#171d49);box-shadow:-35px -30px 90px #40b7dc25}
.story-poster[data-mood=quiet]{background:#ded8cc;color:#283634}.story-poster[data-mood=quiet] .poster-orb{background:radial-gradient(circle at 30% 25%,#f9eee0,#b3ba9c 36%,#677c6e 70%,#3c5e5a);box-shadow:-35px -30px 90px #61796c25}
.story-copy h3{font-size:22px;letter-spacing:-.02em;margin-bottom:16px}.story-copy p,.story-copy li{font-size:13px;line-height:1.8;color:var(--muted)}.story-copy p{margin-bottom:14px}.story-copy strong{color:var(--fg);font-weight:600}.story-copy ol{padding-left:23px;margin:17px 0}.story-copy .primary{font-size:12px}.story-copy .story-reference{font-size:11px;margin-top:17px}.story-reference a{color:var(--accent-text)}
.paint-study{height:330px;position:relative;overflow:hidden;background:linear-gradient(#d9c7aa 60%,#ad8b6e 60%);border-radius:9px;isolation:isolate}.paint-study>span{position:absolute;bottom:20px;left:22px;color:#241e1c;font:11px var(--mono)}
.paint-shape{position:absolute;bottom:70px;box-shadow:17px 20px 18px #3a291b40}.paint-a{width:28%;height:170px;left:12%;border-radius:50% 50% 20% 20%;background:linear-gradient(100deg,#88a89b,#346665 70%,#214c55)}.paint-b{width:34%;height:130px;left:33%;border-radius:50%;background:radial-gradient(circle at 30% 25%,#ffc271,#e66b28 55%,#91352b)}.paint-c{width:27%;height:92px;left:65%;border-radius:4px;background:linear-gradient(110deg,#fff4da,#d5b58b)}
.paint-gray-control{display:flex;align-items:center;gap:10px;font-size:13px;min-height:55px}.paint-value-strip{display:flex;gap:5px}.paint-value-strip i{height:34px;flex:1;border:1px solid #8885;border-radius:3px}.story-copy .paint-limit{border-left:2px solid #ff8a1f;padding:10px 15px;background:var(--bg);font-size:12px}
@media(max-width:1000px){.mode-tabs button{font-size:11px;gap:7px}.lamp-inspector{gap:20px;grid-template-columns:1fr 1fr}.lamp-switches{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px}.lamp-switches .small-note{width:100%}.story-content{gap:24px}.story-poster{height:330px}}
@media(max-width:760px){.mode-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.color-stories{padding:21px}.story-content{grid-template-columns:1fr}.story-poster{height:300px}.story-copy h3{font-size:21px}.camera-tools{left:10px;right:10px;bottom:10px}.camera-tools button{padding-inline:9px;font-size:10px}.lamp-inspector{padding:18px 20px}.lamp-switches label{min-height:44px}.viewer-tools #lightTools{flex-wrap:wrap}.story-heading>p:last-child{font-size:13px}}
@media(max-width:440px){.mode-tabs button{font-size:10px}.camera-tools{gap:5px}.camera-tools button{padding-inline:7px;font-size:9px}.camera-tools .button-row{padding:3px;gap:3px}.camera-tools #lightResetCamera{font-size:0;min-width:44px}.camera-tools #lightResetCamera:after{content:'↺';font-size:20px}.lamp-inspector{padding:17px 16px;gap:15px}.lamp-inspector>label{font-size:11px}.lamp-inspector output{float:none;display:block;margin-top:4px}.story-tabs button{font-size:11px}.color-stories{padding:17px}.story-poster>strong{font-size:44px}.story-copy p,.story-copy li{font-size:13px}}

/* Choose a set without disturbing the current lighting experiment. */
.mode-tabs{grid-template-columns:repeat(7,minmax(0,1fr))}
.light-scene-picker{padding:18px 22px;border-bottom:1px solid var(--line);background:var(--bg)}
.light-scene-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:12px}
.light-scene-heading>span:last-child{font-size:11px;color:var(--muted)}
.light-scene-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.light-scene-choices button{display:flex;align-items:center;gap:12px;text-align:left;padding:12px;min-height:85px;background:var(--panel);min-width:0}
.light-scene-choices button[aria-pressed=true]{border-color:#ff8a1f;background:color-mix(in srgb,#ff8a1f 9%,var(--panel));color:var(--accent-text)}
.light-scene-choices strong{display:block;font-size:12px;font-weight:600}.light-scene-choices small{display:block;font-size:10px;font-weight:400;color:var(--muted);line-height:1.5;margin-top:5px}
.scene-mini{width:44px;height:48px;display:grid;place-items:center;flex:none;border-radius:8px;background:radial-gradient(circle at 45% 55%,#5e898a33,#152538);color:#9fc2cf;border:1px solid #3b5967;font:34px var(--font)}
.scene-still-life{color:#e7ba8a;background:linear-gradient(130deg,#59676b,#283637)}.scene-gallery{color:#d1d6dc;background:linear-gradient(130deg,#56647a,#21303e)}.scene-playroom{color:#ffb85f;background:linear-gradient(130deg,#416560,#1c3540)}
#lightSceneDescription{font-size:11px;line-height:1.7;color:var(--muted);margin-top:12px;max-width:1000px}
@media(max-width:1050px){.light-scene-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-tabs button{font-size:10px;gap:5px}}
@media(max-width:760px){.mode-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-tabs button:last-child{grid-column:1/-1}.light-scene-picker{padding:16px}.light-scene-heading{align-items:start;flex-direction:column;gap:4px}.light-scene-choices button{min-height:76px}.light-scene-choices small{display:none}.light-scene-choices strong{font-size:12px}.light-scene-choices .scene-mini{width:35px;height:40px;font-size:28px}.light-scene-choices button{gap:9px;padding:10px}}

.vision-severity{display:flex;align-items:center;gap:10px;font-size:13px}.vision-severity output{font:12px var(--mono);min-width:3.2em;color:var(--muted)}.vision-severity input{width:160px;min-height:44px;accent-color:var(--app-accent)}.vision-severity input:disabled{opacity:.45}.vision-severity-note{flex-basis:100%;font-size:12px;color:var(--muted);margin:0}.check-field{min-height:44px}.lamp-switches label{min-height:44px;display:flex;align-items:center;gap:8px}
@media(max-width:440px){.viewer-tools .vision-severity{width:100%}.vision-severity input{flex:1;width:auto}}

/* Phone touch targets: at least 44px (audit 2026-10-21) */
@media (pointer:coarse),(max-width:600px){#lightZoomIn,#lightZoomOut{min-width:44px}.model-notes summary{min-height:44px;display:flex;align-items:center}.model-notes a{display:inline-flex;align-items:center;min-height:44px}}