:root{color-scheme:dark;--bg:#0c0f11;--panel:#121719;--panel-2:#161c1f;--fg:#e4e9e6;--secondary:#919b99;--muted:#636f70;--line:#293235;--soft-line:#222b2e;--accent:#c0ded0;--accent-soft:#c0ded010;--input:#181f22;--stage:#10191c}
:root[data-theme=light]{color-scheme:light;--bg:#eeeFEB;--panel:#fafbf8;--panel-2:#e9eeeb;--fg:#1c2a29;--secondary:#5f716d;--muted:#76847d;--line:#ced9d3;--soft-line:#e1e8e2;--accent:#436e60;--accent-soft:#436e6010;--input:#edf1eb;--stage:#102024}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0;background:var(--bg);color:var(--fg);font:13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button{color:inherit;cursor:pointer}button,a,input,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1440px;padding:0 56px;margin:auto}.topbar{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:35px}.brand{display:flex;align-items:center;gap:12px}.brand>span:first-of-type{font-size:32px;letter-spacing:-2px;font-weight:500}.brand svg{color:var(--accent)}.brand-dot{color:var(--accent)}.brand-divider{height:21px;width:1px;background:var(--line);margin:0 4px 0 10px}.brand-label{font:9px ui-monospace,monospace;letter-spacing:1.7px;color:var(--secondary)}nav{display:flex;gap:30px;margin-left:auto;font-size:12px;color:var(--secondary)}nav a:hover,.text-button:hover{color:var(--fg)}nav span{font:9px ui-monospace,monospace;color:var(--muted);margin-left:4px}.header-actions{display:flex;align-items:center;gap:15px}.lock-button{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:none;border-radius:5px;padding:9px 12px;font-size:11px}.lock-button:hover{border-color:var(--secondary)}.icon-button{border:0;background:none;width:24px;height:30px;font-size:20px;color:var(--secondary)}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;padding:33px 0 29px}.eyebrow{font:9px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1.4px;color:var(--secondary)}.intro .eyebrow{display:flex;gap:8px;align-items:center;margin:0 0 12px}.status-dot{width:4px;height:4px;display:inline-block;border-radius:50%;background:var(--accent);flex:none}h1{font-size:clamp(32px,3.6vw,48px);font-weight:400;line-height:1.15;letter-spacing:-1.8px;margin:0}h1 em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:var(--accent)}.intro-copy{color:var(--secondary);font-size:12px;line-height:1.8;margin:0 0 3px}.workspace-main{display:grid;grid-template-columns:minmax(0,1fr) 332px;gap:24px;align-items:start}.preview-column{position:sticky;top:20px;min-width:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:9px;overflow:hidden}.panel-header{min-height:58px;padding:0 21px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}h2{font-size:12px;font-weight:500;margin:0;letter-spacing:.1px}.material-heading{display:flex;align-items:center;gap:12px}.sample-number{font:9px ui-monospace,monospace;color:var(--muted)}.live-badge{display:flex;align-items:center;gap:6px;color:var(--secondary);font-size:10px}.stage{height:426px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--stage);isolation:isolate}.stage:not(.is-scales){background-image:radial-gradient(circle,#2b3a3e 1px,transparent 1px);background-size:20px 20px}.stage-caption,.stage-coordinate{position:absolute;top:22px;z-index:2;color:#c6d7d2;opacity:.7;font:8px ui-monospace,monospace;letter-spacing:1.1px}.stage-caption{left:23px}.stage-coordinate{right:23px}.stage:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(#0810136b,transparent 23%,transparent 75%,#08101396);z-index:1}.stage #sp{position:relative;flex:none;transform:scale(var(--preview-scale,3))}.stage.is-scales #sp{transform:none;width:min(360px,calc(100% - 90px));height:280px;overflow:hidden;border-radius:18px;box-shadow:0 35px 50px #0004}.stage.is-background #sp{position:absolute;inset:0;width:100%;height:100%;border-radius:0;box-shadow:none}.scale-art{display:block}.stage-tools{position:absolute;z-index:2;bottom:19px;left:23px;right:23px;display:flex;justify-content:space-between;align-items:center}#zoom-label{color:#c6d7d2;font:8px ui-monospace,monospace;letter-spacing:1px;opacity:.8}.pause-button{display:flex;align-items:center;gap:7px;background:#111a1bbf;border:1px solid #c7dddb25;border-radius:4px;color:#d7e5df;padding:7px 10px;font-size:10px}.preview-meta{display:flex;align-items:center;gap:20px;min-height:43px;padding:10px 20px;font:9px ui-monospace,monospace;color:var(--muted);border-top:1px solid var(--line)}.preview-meta b{font-weight:400;color:var(--secondary)}.engine-meta{margin-left:auto;font-size:8px;letter-spacing:.5px}.library-heading{display:flex;justify-content:space-between;margin:21px 0 11px;color:var(--muted);font:8px ui-monospace,monospace;letter-spacing:1.25px}.material-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.material-card{padding:0;background:var(--panel);border:1px solid var(--line);border-radius:7px;text-align:left;overflow:hidden;transition:transform .2s,border-color .2s}.material-card:hover{transform:translateY(-3px);border-color:var(--secondary)}.material-card[aria-pressed=true]{border-color:var(--accent)}.material-thumb{height:75px;display:block;background-size:160px 96px;background-position:center;position:relative}.material-thumb:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,#080f1355)}.material-card-caption{display:flex;justify-content:space-between;align-items:center;padding:10px 10px 11px;gap:5px}.material-card b{display:block;font-size:11px;font-weight:500}.material-card small{display:block;font-size:8px;color:var(--muted);margin-top:2px}.material-check{color:var(--muted);font-size:13px}.material-card[aria-pressed=true] .material-check{color:var(--accent)}.text-button{border:0;background:none;padding:0;color:var(--secondary);font-size:10px}.settings-body{padding:18px 21px 15px}.material-description{color:var(--secondary);font-size:11px;line-height:1.75;margin:0 0 22px;min-height:39px}.effect-field,.shape-field{border:0;padding:0;margin:0 0 21px;min-width:0}.effect-field legend,.shape-field legend{font-size:11px;margin-bottom:9px;padding:0;color:var(--secondary)}.effect-options,.shape-options{display:flex;gap:4px;padding:3px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}.effect-options label,.shape-options label{position:relative;flex:1}.effect-options input,.shape-options input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.effect-options span,.shape-options span{display:flex;align-items:center;justify-content:center;min-height:30px;color:var(--muted);font-size:11px;border-radius:3px}.effect-options input:checked+span,.shape-options input:checked+span{color:var(--fg);background:var(--panel-2);box-shadow:0 1px 4px #0002}.effect-options input:focus-visible+span,.shape-options input:focus-visible+span{outline:1px solid var(--accent)}.shape-options span{font-size:9px}.select-control{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;margin-bottom:17px}.select-control>label{color:var(--secondary)}.select-wrap{width:56%}.select-wrap select{width:100%;background:var(--input);border:1px solid var(--line);border-radius:4px;padding:7px 7px;color:var(--fg);font-size:11px;cursor:pointer}.control{margin:22px 0}.control-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;font-size:11px}.control-label label{color:var(--secondary)}output{font:10px ui-monospace,monospace}output span{color:var(--muted)}input[type=range]{appearance:none;display:block;background:transparent;width:100%;height:14px;cursor:pointer;margin:0;--fill:50%}input[type=range]::-webkit-slider-runnable-track{height:2px;background:linear-gradient(to right,var(--accent) 0 var(--fill),var(--line) var(--fill) 100%)}input[type=range]::-webkit-slider-thumb{appearance:none;width:8px;height:8px;margin-top:-3px;border-radius:50%;background:var(--fg);box-shadow:0 0 0 3px var(--panel)}input[type=range]::-moz-range-track{height:2px;background:var(--line)}input[type=range]::-moz-range-progress{background:var(--accent);height:2px}input[type=range]::-moz-range-thumb{width:8px;height:8px;border:0;border-radius:50%;background:var(--fg)}input:disabled,select:disabled{opacity:.45;cursor:default}.range-scale{display:flex;justify-content:space-between;color:var(--muted);font-size:8px}.color-section{margin:23px 0}.section-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--secondary)}.section-label>span{font:9px ui-monospace,monospace;color:var(--muted)}.color-stops{display:flex;gap:10px;margin:12px 0 9px}.color-stop{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.color-stop input{appearance:none;width:100%;height:29px;border:1px solid var(--line);padding:2px;border-radius:4px;background:var(--bg);cursor:pointer}.color-stop input::-webkit-color-swatch-wrapper{padding:0}.color-stop input::-webkit-color-swatch{border:0;border-radius:2px}.color-stop input::-moz-color-swatch{border:0;border-radius:2px}.color-stop span{font-size:8px;color:var(--muted)}.fine-settings{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:10px 0 20px}.fine-settings summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;padding:14px 0;font-size:11px}.fine-settings summary::-webkit-details-marker,.export-summary::-webkit-details-marker{display:none}.fine-settings summary>span{color:var(--muted)}.fine-settings[open] summary>span{transform:rotate(45deg)}.fine-settings-body{padding:6px 0 1px}.single-control{display:block}.paired-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px}.paired-controls.single-control{display:block}.seed-control{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px;font-size:11px;color:var(--secondary)}.seed-control input{background:transparent;border:0;border-bottom:1px solid var(--line);padding:5px 0 5px 8px;width:94px;color:var(--fg);font:11px ui-monospace,monospace;text-align:right}.regenerate-button{display:flex;justify-content:space-between;align-items:center;background:var(--accent);color:#15231e;border:1px solid var(--accent);border-radius:4px;width:100%;padding:12px 13px;font-size:11px;transition:filter .2s}.regenerate-button:hover{filter:brightness(1.09)}.regenerate-button>span:last-child{font-size:17px;line-height:1}.setting-note{font-size:9px;text-align:center;color:var(--muted);margin:9px 0 18px}.settings-note{display:flex;justify-content:center;align-items:center;gap:6px;border-top:1px solid var(--line);padding-top:13px;font-size:8px;color:var(--muted)}.code-panel{margin-top:24px}.export-summary{cursor:pointer;list-style:none;padding:21px 23px;display:flex;justify-content:space-between;align-items:center}.export-summary b{display:block;font-size:17px;font-weight:400;letter-spacing:-.3px;margin-top:5px}.export-summary .eyebrow{font-size:8px;letter-spacing:1px}.export-arrow{font-size:24px;color:var(--secondary)}.export-actions{padding:0 23px 19px;display:flex;justify-content:space-between;align-items:center;gap:12px}.export-actions p{font-size:11px;color:var(--secondary);margin:0}.download-actions{display:flex;gap:8px}.download-button{display:flex;align-items:center;border:1px solid var(--line);padding:8px 11px;border-radius:4px;font-size:10px;background:var(--panel-2)}.download-button:hover{border-color:var(--accent)}.code-toolbar{display:flex;justify-content:space-between;align-items:center;height:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 23px;background:var(--bg)}.code-tabs{display:flex;height:100%;gap:24px}.code-tabs button{background:none;border:0;border-bottom:1px solid transparent;padding:0;color:var(--muted);font:10px ui-monospace,monospace}.code-tabs button[aria-selected=true]{color:var(--fg);border-bottom-color:var(--accent)}.tab-count{color:var(--muted);font-size:8px}.code-panel pre{margin:0;padding:19px 23px;max-height:270px;min-height:120px;overflow:auto;color:#a5c7c1;font:11px/1.9 ui-monospace,Consolas,monospace;scrollbar-width:thin}.code-line{display:flex;min-width:max-content}.line-number{display:inline-block;width:18px;text-align:right;margin-right:24px;user-select:none;color:var(--muted)}.line-text{white-space:pre}.syntax-tag{color:#cda98d}.syntax-attribute{color:#97a8b6}.syntax-value{color:#a5c7b4}.code-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:12px 23px;font-size:9px;color:var(--muted)}.code-footer>span:first-child{display:flex;align-items:center;gap:7px}.studio-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:36px 0}.studio-notes>div>span{font:8px ui-monospace,monospace;letter-spacing:1px;color:var(--muted)}.studio-notes p{font-size:12px;color:var(--secondary);line-height:1.8;margin:11px 0 0}.footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0 28px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}.footer>span:first-child{color:var(--secondary);font-size:18px;letter-spacing:-.6px}.footer>span:first-child>span{font-size:9px;letter-spacing:0;margin-left:10px}.footer>span:nth-child(2){font:8px ui-monospace,monospace;letter-spacing:1px}#toast{position:fixed;z-index:30;left:50%;bottom:25px;transform:translate(-50%,10px);background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:11px 19px;border-radius:5px;font-size:12px;opacity:0;pointer-events:none;transition:.2s}#toast.visible{opacity:1;transform:translate(-50%,0)}
.tri-spinner{--c:#00b4d8;--w:16px;--h:calc(var(--w)*.866);--t:1s;display:flex;flex-direction:column;align-items:center;filter:drop-shadow(0 0 10px color-mix(in srgb,var(--c) 60%,transparent))}.tri-spinner .row{display:flex;margin-top:-1px}.tri-spinner i{display:block;flex-shrink:0;width:0;height:0;margin:0 calc(var(--w)/-4);border-left:calc(var(--w)/2) solid transparent;border-right:calc(var(--w)/2) solid transparent;border-bottom:var(--h) solid var(--c);animation:tri-pulse var(--t) ease infinite;animation-delay:calc(var(--t)*var(--d,0)*-1)}.tri-spinner i.dn{transform:rotate(180deg)}@keyframes tri-pulse{0%{opacity:.1}30%{opacity:1}100%{opacity:.1}}.stage.is-paused .tri-spinner i,.stage.is-paused .scale-stop{animation-play-state:paused!important}.tri-spinner.is-static i{animation:none;opacity:.75}
@media(max-width:1100px){.shell{padding:0 30px}.workspace-main{grid-template-columns:minmax(0,1fr) 310px;gap:18px}.settings-body{padding:18px}.intro-copy{font-size:11px}.brand-label{font-size:8px}.engine-meta{display:none}.preview-meta{gap:15px}.material-card small{font-size:7px}.material-card-caption{padding:9px 8px}.material-card b{font-size:10px}}
@media(max-width:800px){.shell{padding:0 20px}.topbar{height:72px;gap:15px}nav{display:none}.header-actions{margin-left:auto;gap:10px}.brand-label{display:none}.brand-divider{display:none}.brand>span:first-of-type{font-size:28px}.brand svg{width:21px}.lock-button{font-size:10px;padding:8px 10px}.intro{display:block;padding:27px 0 24px}.intro .eyebrow{font-size:7px;letter-spacing:1.1px}h1{font-size:35px;letter-spacing:-1.3px}.intro-copy{font-size:11px;margin-top:14px}.workspace-main{grid-template-columns:1fr;gap:22px}.preview-column{position:static}.stage{height:350px}.stage-coordinate{display:none}.stage-caption{font-size:7px;left:16px}.stage-tools{left:16px;right:16px}.preview-meta{font-size:8px;padding:11px 15px;gap:17px}.engine-meta{display:block;font-size:7px}.panel-header{padding:0 16px;min-height:54px}.material-thumb{height:70px}.material-card b{font-size:10px}.material-card small{font-size:7px;line-height:1.5}.material-check{display:none}.material-cards{gap:7px}.library-heading{font-size:7px;margin-top:18px}.material-card-caption{padding:8px 7px;min-height:54px}.settings-body{padding:20px}.settings-panel h2{font-size:13px}.material-description{font-size:12px;min-height:0}.select-control,.control-label,.seed-control,.effect-field legend,.shape-field legend{font-size:12px}.select-wrap select{font-size:12px;padding:9px}.effect-options span{min-height:35px;font-size:12px}.color-stop input{height:38px}.color-stop span{font-size:9px}.regenerate-button{padding:13px 14px;font-size:12px}.fine-settings summary{font-size:12px}.export-summary{padding:19px}.export-summary b{font-size:16px}.export-actions{padding:0 19px 18px;flex-direction:column;align-items:flex-start}.code-toolbar{padding:0 19px}.code-footer>span:last-child{display:none}.code-panel{margin-top:22px}.studio-notes{grid-template-columns:1fr;gap:18px;padding:27px 0}.studio-notes>div{display:grid;grid-template-columns:1fr 1.4fr;gap:12px;border-bottom:1px solid var(--soft-line);padding-bottom:16px}.studio-notes p{margin:0;font-size:11px}.studio-notes>div>span{font-size:7px;line-height:1.7;padding-top:3px}.footer>span:nth-child(2){display:none}.footer{padding:19px 0 24px}.stage.is-scales #sp{width:calc(100% - 65px);height:260px}.stage.is-background #sp{width:100%;height:100%}.shape-options span{font-size:10px}}
@media(max-width:370px){.shell{padding:0 14px}h1{font-size:31px}.lock-button{font-size:9px}.preview-meta{font-size:7px}.engine-meta{display:none}.material-card b{font-size:9px}.material-card small{font-size:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important}.material-card,#toast,.regenerate-button{transition:none}.tri-spinner i{animation-duration:calc(var(--t)*4)}.scale-stop{animation:none!important}}
/* Final optical spacing and legibility pass. */
:root{--muted:#7d8b87}#editor-title:focus{outline:none}.select-control,.control-label,.seed-control,.effect-field legend,.shape-field legend{font-size:12px}.material-card small{font-size:9px;line-height:1.5}.material-card-caption{min-height:59px}.color-stop span{font-size:9px}.settings-note{font-size:9px}.fine-settings summary{font-size:12px}
@media(max-width:1100px){.material-card small{font-size:8px}}
@media(max-width:800px){.material-card small{font-size:8px}.material-card-caption{min-height:59px}}

.code-preview-note{font-size:10px;color:var(--secondary);padding:11px 23px;margin:0;background:var(--accent-soft);border-bottom:1px solid var(--line)}

/* One repeated tile, at most one animated lighting layer. */
.scale-preview,.scale-preview-light{position:absolute;inset:0;background-repeat:repeat}
.scale-preview{overflow:hidden;contain:paint}
.scale-preview-light{animation:tri-surface-crossfade 8000ms ease-in-out infinite}
@keyframes tri-surface-crossfade{0%,100%{opacity:0}50%{opacity:1}}
.stage.is-paused .scale-preview-light,.stage.is-offscreen .scale-preview-light,.studio-is-locked .scale-preview-light,.studio-is-hidden .scale-preview-light,.surface-suspended .scale-preview-light{animation-play-state:paused}
.stage.is-offscreen .tri-spinner i,.studio-is-locked .tri-spinner i,.studio-is-hidden .tri-spinner i,.surface-suspended .tri-spinner i{animation-play-state:paused}
.resource-note{border-top:1px solid var(--line);padding:13px 0;color:var(--secondary);font-size:10px;line-height:1.7}
.resource-note summary{cursor:pointer;font-size:11px;color:var(--fg)}.resource-note p{margin:10px 0 0}.resource-note p:last-child{color:var(--muted)}
@media(prefers-reduced-motion:reduce){.scale-preview-light,.tri-spinner i{animation:none!important}.scale-preview-light{display:none}}

/* Object geometry matches the portable export at every viewport width. */
.stage.is-scales:not(.is-background) #sp{height:auto;aspect-ratio:4/3}