:root{
color-scheme:dark;--bg:#101315;--panel:#1a2023;--raised:#273234;--input:#111719;--ink:#edf3f1;--muted:#95a49e;--line:#303a3c;--accent:#6bcab2;--accent-fill:#6bcab2;--accent-ink:#102820;--accent-soft:#203a34;--canvas:#11181a;--canvas-check:#172022;--danger:#ffb1a2;--danger-bg:#3e2927;--radius:10px;--font-ui:"MC Canvas Dot",sans-serif
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button{border:0;background:none;color:inherit;cursor:pointer}
button:disabled{opacity:.45;cursor:not-allowed}
button,a,input,select,summary{outline-offset:3px;-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,p{margin:0}h2{font-size:12px;font-weight:650}
input[type=checkbox]{width:14px;height:14px;margin:0;accent-color:var(--accent);cursor:pointer;flex-shrink:0}
input[type=range]{width:100%;accent-color:var(--accent)}
select,input[type=number]{min-height:30px;border:1px solid var(--line);border-radius:4px;background:var(--input);color:var(--ink);font-size:11px;padding:4px 6px;min-width:0}
select{cursor:pointer}.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;vertical-align:middle}.icon.small{width:14px;height:14px}
.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}
.visually-hidden,.block-name{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
[hidden]{display:none!important}
.site-header{border-bottom:1px solid var(--line);background:var(--panel)}
.header-inner{max-width:1440px;min-height:49px;margin:auto;padding:9px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.page-shell{max-width:1440px;margin:auto;padding:12px 16px 0}
#pageTitle{font-size:18px;font-weight:650;line-height:1.5;margin-bottom:12px}
.editor-layout{display:grid;grid-template-columns:minmax(290px,.85fr) minmax(0,1.85fr);align-items:start;gap:12px}
.editor-layout>*{min-width:0}.workspace-panel,.block-panel{border:1px solid var(--line);border-radius:7px;background:var(--panel)}.workspace-panel{overflow:hidden}
.controls{padding:12px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:12px;align-items:start}
.control-section{min-width:0}.control-section>h2,.control-heading{margin-bottom:7px}.control-heading{display:flex;align-items:center;justify-content:space-between;min-height:18px}
.text-button{font-size:10px;color:var(--accent);padding:3px 0;min-height:25px}.text-button:hover{text-decoration:underline;text-underline-offset:3px}
.drop-zone{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;min-height:80px;padding:8px;border:1px dashed var(--line);border-radius:4px;background:var(--raised);color:var(--muted);font-size:11px;cursor:pointer}
.drop-zone:hover,.drop-zone.dragging,.drop-zone.dragover,.is-dragging .drop-zone{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.file-name{display:block;margin-top:5px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:10px;color:var(--muted)}
.width-field{display:flex;align-items:center;justify-content:space-between;gap:5px;color:var(--muted);font-size:10px}
.number-field{display:flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:4px;background:var(--input);padding-right:5px;min-width:0}.number-field input{width:47px;border:0;background:transparent;font-variant-numeric:tabular-nums;font-size:12px;min-height:29px;padding:4px}.number-field>span{font-size:8px;white-space:nowrap}.number-field:focus-within{outline:2px solid var(--accent);outline-offset:2px}.number-field input:focus-visible{outline:0}
.advanced-settings{margin-top:3px}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}
.advanced-settings>summary{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:10px;min-height:25px}
.advanced-settings>summary .icon,.materials-details>summary>.icon,.help-panel>summary>.icon{width:11px;height:11px;transform:rotate(90deg)}.advanced-settings[open]>summary .icon,.materials-details[open]>summary>.icon,.help-panel[open]>summary>.icon{transform:rotate(-90deg)}
.advanced-body{border-top:1px solid var(--line);padding-top:9px;display:flex;flex-direction:column;gap:9px}.compact-field{display:flex;align-items:center;justify-content:space-between;gap:5px;color:var(--muted);font-size:10px}.compact-field input,.compact-field select{width:60%;font-size:10px}.check-label{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted);cursor:pointer}.field-help{font-size:9px;line-height:1.6;color:var(--muted)}.range-label{display:block;font-size:10px;color:var(--muted)}.range-label>span{display:flex;justify-content:space-between;margin-bottom:3px}.reset-button{display:flex;align-items:center;gap:4px;align-self:flex-start}
.primary-button{display:flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:4px;background:var(--accent-fill);color:var(--accent-ink);min-height:33px;padding:6px 12px;font-size:12px;font-weight:650}.primary-button:hover:not(:disabled){filter:brightness(1.06)}.primary-button:active:not(:disabled){transform:translateY(1px)}
.save-controls{display:grid;grid-template-columns:minmax(0,1fr) 86px;gap:5px 8px;align-items:center;padding:12px;border-top:1px solid var(--line)}.save-controls h2{grid-column:1/-1;margin:0}.save-controls #exportFormat{width:100%;min-height:33px}.save-controls #downloadHint{grid-column:1/-1}
.conversion-error{font-size:10px;color:var(--danger);border-top:1px solid var(--danger);background:var(--danger-bg);padding:10px;overflow-wrap:anywhere}
.preview-area{display:flex;flex-direction:column;min-width:0;border-top:1px solid var(--line)}
.preview-toolbar{display:flex;align-items:center;gap:5px;padding:8px 10px;min-height:44px;flex-wrap:wrap}
.view-tabs{display:flex;gap:1px}.view-tabs button{font-size:10px;min-height:27px;padding:4px 6px;border-radius:4px;color:var(--muted);white-space:nowrap}.view-tabs button[aria-pressed=true]{background:var(--raised);color:var(--ink)}.view-tabs button:hover{color:var(--accent)}
.preview-dimensions{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:auto}.zoom-controls{display:flex;align-items:center;gap:1px;margin-left:auto}.icon-button{display:grid;place-items:center;width:22px;height:26px;border-radius:4px;color:var(--muted)}.icon-button:hover,.zoom-reset:hover{background:var(--raised);color:var(--accent)}.zoom-reset{padding:4px 3px;min-height:26px;border-radius:4px;font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}
.canvas-wrap{position:relative;display:flex;align-items:center;justify-content:center;isolation:isolate;overflow:auto;min-height:220px;height:270px;padding:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background-color:var(--canvas);background-image:conic-gradient(var(--canvas-check) 25%,transparent 0 50%,var(--canvas-check) 0 75%,transparent 0);background-size:24px 24px;scrollbar-width:thin;scrollbar-color:var(--line) transparent;touch-action:pan-x pan-y}
.canvas-wrap canvas{display:block;flex-shrink:0;max-height:none;image-rendering:pixelated;object-fit:contain;box-shadow:0 3px 16px #00000014}.canvas-wrap:has(#emptyPreview:not([hidden])) canvas{visibility:hidden}
.empty-preview{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;color:var(--muted);pointer-events:none;font-size:12px}.empty-preview>.icon{width:27px;height:27px;stroke-width:1.2;opacity:.7}.empty-preview small{font-size:10px;border:1px solid var(--line);border-radius:4px;padding:2px 7px;opacity:.8}
.hover-info{position:absolute;pointer-events:none;bottom:10px;left:50%;transform:translateX(-50%);z-index:5;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:5px 8px;border-radius:4px;font-size:10px;white-space:nowrap;max-width:calc(100% - 20px);overflow:hidden;text-overflow:ellipsis}
.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:35px;padding:7px 10px;flex-wrap:wrap}.preview-status{font-size:10px;color:var(--muted)}.preview-totals{display:flex;align-items:center;gap:10px;margin-left:auto;font-size:9px;color:var(--muted);white-space:nowrap}.preview-totals strong{font-size:10px;font-variant-numeric:tabular-nums;font-weight:550;color:var(--ink)}
.materials-details{border-top:1px solid var(--line)}.materials-details>summary{display:flex;align-items:center;gap:8px;padding:8px 10px;min-height:34px;font-size:10px;color:var(--muted)}.materials-details>summary #usageSummary{margin-left:auto;font-size:9px}.materials-body{padding:0 10px 10px}.materials-meta{display:flex;gap:12px;font-size:9px;color:var(--muted);margin-bottom:7px}.materials-meta strong{font-weight:500;color:var(--ink);margin-left:3px}.materials-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:5px 10px}.material-row{display:flex;align-items:center;gap:6px;min-width:0;min-height:28px}.material-image{display:block;flex-shrink:0;width:22px;height:22px;image-rendering:pixelated;object-fit:contain}.material-count{font-size:10px;font-variant-numeric:tabular-nums}
.canvas-wrap.updating #previewCanvas{opacity:.35}.is-dragging .canvas-wrap{outline:2px solid var(--accent);outline-offset:-2px}
.block-panel{padding:10px 12px 4px}.palette-heading{display:flex;align-items:center;gap:9px;min-height:27px}.palette-heading h2{font-size:13px}.selection-count{color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}
.attribute-tools{display:flex;align-items:center;gap:8px;padding:7px 0 9px;border-bottom:1px solid var(--line)}.attribute-label{font-size:9px;color:var(--muted)}.attribute-list{display:flex;flex-wrap:wrap;gap:4px}
.attribute-button{display:flex;align-items:center;gap:5px;min-height:26px;padding:3px 6px;border:1px solid var(--line);border-radius:4px;font-size:10px;background:var(--raised)}
.attribute-button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.attribute-button[aria-pressed=mixed]{border-color:var(--accent);border-style:dashed}.attribute-button:hover{border-color:var(--accent)}
.block-list{padding:0;overflow:visible}.block-category{display:grid;grid-template-columns:96px minmax(0,1fr);align-items:start;gap:9px;padding:4px 0;border-bottom:1px solid var(--line)}.block-category:last-child{border-bottom:0}.block-category h3{font-size:10px;font-weight:600;min-width:0}
.category-toggle{display:grid;grid-template-columns:10px minmax(0,1fr);gap:1px 5px;align-items:center;text-align:left;width:100%;min-height:26px;padding:1px 0;font-size:10px}.category-toggle:before{content:"";grid-column:1;grid-row:1;display:grid;place-items:center;width:10px;height:10px;border:1px solid var(--line);border-radius:2px;font-size:8px;line-height:1}.category-name{grid-column:2;line-height:1.4;overflow-wrap:anywhere}.category-toggle[aria-pressed=true]:before{content:"✓";border-color:var(--accent);background:var(--accent);color:var(--panel)}.category-toggle[aria-pressed=mixed]:before{content:"−";border-color:var(--accent);color:var(--accent)}.category-toggle:hover .category-name{color:var(--accent)}
.block-category-grid{display:grid;grid-template-columns:repeat(auto-fill,26px);gap:3px;min-width:0}.block-option{position:relative;display:flex;align-items:center;justify-content:center;width:26px;height:26px;padding:2px;border:1px solid var(--line);border-radius:2px;background:var(--raised);cursor:pointer}.block-option:hover{border-color:var(--accent)}.block-option:has(input:checked){border-color:var(--accent);box-shadow:inset 0 0 0 .5px var(--accent);background:var(--accent-soft)}.block-option:has(input:checked):after{position:absolute;top:0;right:0;content:"✓";display:grid;place-items:center;width:9px;height:9px;border-radius:0 1px 0 1px;background:var(--accent);color:var(--panel);font-size:8px;font-weight:700;line-height:1}.block-option input{position:absolute;width:1px;height:1px;opacity:0;margin:0}.block-option:focus-within{outline:2px solid var(--accent);outline-offset:1px}.block-image{display:block;width:20px;height:20px;object-fit:contain;image-rendering:pixelated}

@media(min-width:1400px){.canvas-wrap{height:320px}}
@media(min-width:960px) and (max-height:780px){.canvas-wrap{height:230px;min-height:200px}}
@media(max-width:959px){.editor-layout{grid-template-columns:minmax(0,1fr)}.workspace-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);grid-template-areas:"controls preview" "save preview" "error error"}.controls{grid-area:controls}.preview-area{grid-area:preview;border-top:0;border-left:1px solid var(--line)}.save-controls{grid-area:save}.conversion-error{grid-area:error}.canvas-wrap{height:235px;min-height:200px;flex:1}.block-category{grid-template-columns:90px minmax(0,1fr)}}
@media(max-width:640px){.header-inner{padding:9px 12px}.page-shell{padding:12px 12px 0}#pageTitle{font-size:17px;margin-bottom:10px}.editor-layout{gap:10px}.workspace-panel{display:block}.preview-area{border-left:0;border-top:1px solid var(--line)}.controls{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:14px}.drop-zone{min-height:76px}.canvas-wrap{height:230px;min-height:210px}.preview-toolbar{min-height:42px}.save-controls{grid-template-columns:minmax(0,1fr) 90px}.block-panel{padding:10px 10px 3px}.attribute-tools{align-items:flex-start}.attribute-label{padding-top:5px}.attribute-button{min-height:29px}.block-category{grid-template-columns:minmax(0,1fr);gap:5px;padding:8px 0}.category-toggle{display:flex;align-items:center;gap:6px;min-height:25px;font-size:11px}.block-category-grid{grid-template-columns:repeat(auto-fill,30px);gap:3px}.block-option{width:30px;height:30px}.block-image{width:24px;height:24px}}
@media(max-width:360px){.controls{gap:10px;padding:10px}.attribute-button{padding:3px 5px;gap:4px}.block-panel{padding:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Compact typography and essential controls. */
body{font-weight:400;letter-spacing:.005em;font-synthesis:none}
.header-inner{min-height:60px}
#pageTitle{margin:0;color:var(--ink);font-size:23px;font-weight:600;line-height:1.3;letter-spacing:-.025em}
h2{font-size:12px;font-weight:500;letter-spacing:.02em}
.file-name:empty{display:none}
.file-name{font-size:10px;letter-spacing:0}
.category-toggle{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:500}
.category-name{line-height:1.4}
.category-toggle:before{flex-shrink:0}
.attribute-tools{padding:8px 0 10px}
.attribute-button{font-size:11px;font-weight:500;padding:4px 9px;min-height:28px}
.selection-count,.preview-dimensions,.preview-totals{font-weight:500;letter-spacing:.015em}
.selection-count{font-size:11px}
.preview-footer:has(#statusText:empty):has(.preview-totals[hidden]){display:none}
#emptyPreview>.icon{width:31px;height:31px;opacity:.35}
.save-controls{padding:11px 12px}
@media(max-width:480px){.header-inner{min-height:60px}#pageTitle{font-size:20px}.attribute-button{font-size:10px;padding:4px 8px}.selection-count{font-size:10px}}
/* Preview above the full-width block palette. */
.editor-layout{grid-template-columns:minmax(0,1fr)}
.workspace-panel{position:static;display:grid;grid-template-columns:220px minmax(0,1fr);grid-template-rows:auto auto 1fr;grid-template-areas:"controls preview" "save preview" "error preview";align-items:start}
.controls{grid-area:controls;grid-template-columns:minmax(0,1fr)}
.save-controls{grid-area:save}
.conversion-error{grid-area:error}
.preview-area{grid-area:preview;min-width:0;border-top:0;border-left:1px solid var(--line)}
.canvas-wrap{align-items:flex-start;justify-content:flex-start;height:clamp(420px,60dvh,680px);min-height:420px;padding:12px}
.canvas-wrap canvas{margin:auto}
.expand-preview{margin-right:4px;border-right:1px solid var(--line);border-radius:0;padding-right:5px;width:29px}
.expand-preview[aria-pressed=true]{color:var(--accent)}
.preview-expanded .canvas-wrap{height:calc(100dvh - 120px);min-height:400px;max-height:1000px}
@media(max-width:959px){.workspace-panel{grid-template-columns:180px minmax(0,1fr)}.canvas-wrap{height:clamp(380px,60dvh,620px);min-height:380px}}
@media(max-width:640px){.workspace-panel{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto auto;grid-template-areas:"controls" "preview" "save" "error"}.controls{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-area{border-left:0;border-top:1px solid var(--line)}.canvas-wrap{height:clamp(340px,60dvh,560px);min-height:340px}.preview-expanded .workspace-panel{grid-template-areas:"preview" "controls" "save" "error"}.preview-expanded .canvas-wrap{height:calc(100dvh - 110px);min-height:400px}.preview-expanded{margin-left:-12px;margin-right:-12px}.preview-expanded .workspace-panel{border-radius:0}}

/* Quiet control rail with a shared dimension field and full-width save. */
body{font-size:13px;font-weight:400;letter-spacing:0}
h2{font-size:12px;font-weight:600;letter-spacing:0}
#pageTitle{font-weight:600;letter-spacing:-.035em}
.workspace-panel{grid-template-columns:260px minmax(0,1fr)}
.controls{padding:18px;gap:18px}
.control-heading{margin-bottom:10px;min-height:22px}
.image-controls{padding-bottom:18px;border-bottom:1px solid var(--line)}
.drop-zone{min-height:66px;flex-direction:row;gap:9px;border:1px dashed #526058;border-radius:8px;background:#ffffff03;color:var(--ink);font-size:12px;font-weight:500;transition:background .15s,border-color .15s}
.drop-zone>.icon{width:18px;height:18px;color:var(--accent)}
.file-name{margin-top:8px;font-size:11px;line-height:1.5}
.settings-reset{width:26px;height:26px;color:var(--muted)}
.dimension-fields{display:grid;grid-template-columns:minmax(0,1fr) 18px minmax(0,1fr);align-items:center;gap:6px;padding:10px 12px;background:var(--input);border:1px solid var(--line);border-radius:8px;transition:border-color .15s}
.dimension-fields:focus-within{border-color:var(--accent)}
.dimension-field{display:flex;flex-direction:column;align-items:stretch;gap:4px;min-width:0;padding:0;background:transparent;border:0;border-radius:0}
.dimension-field>span{font-size:11px;line-height:1.3;color:var(--muted)}
.dimension-field input{width:100%;max-width:none;min-height:27px;padding:0;background:transparent;border:0;border-radius:0;font-size:21px;font-weight:500;line-height:1.3;text-align:left;font-variant-numeric:tabular-nums;appearance:textfield;-moz-appearance:textfield}
.dimension-field input::-webkit-inner-spin-button,.dimension-field input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.dimension-field:focus-within{border:0;box-shadow:none}
.dimension-field input:focus-visible{outline:0}
.dimension-cross{font-size:15px;color:var(--muted);text-align:center;padding-top:17px}
.aspect-lock{display:flex;align-items:center;gap:7px;min-height:36px;font-size:11px;font-weight:400;color:var(--muted);cursor:pointer}
.aspect-lock input{width:13px;height:13px;margin:0}
.switch-field{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:30px;font-size:12px;color:var(--muted);cursor:pointer}
.switch-field input{position:relative;appearance:none;-webkit-appearance:none;width:30px;height:18px;border:1px solid var(--line);border-radius:99px;background:var(--line);transition:background .15s}
.switch-field input:before{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:var(--muted);transition:transform .15s}
.switch-field input:checked{background:var(--accent-fill);border-color:var(--accent-fill)}
.switch-field input:checked:before{transform:translateX(12px);background:#fff}
.switch-field:has(input:checked){color:var(--ink)}
.advanced-settings{margin-top:5px;border-top:1px solid var(--line)}
.advanced-settings>summary{min-height:42px;font-size:12px;color:var(--muted)}
.advanced-settings[open]>summary{color:var(--ink)}
.advanced-body{padding-top:0;gap:0;border-top:0}
.setting-group,.setting-group:first-child,.setting-group:last-child{display:flex;flex-direction:column;align-items:stretch;gap:9px;padding:12px 0;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0}
.setting-group:first-child{border-top:0;padding-top:2px}
.setting-group:last-child{padding-bottom:0}
.setting-label{font-size:11px;color:var(--muted)}
.setting-choices{display:flex;gap:2px;padding:3px;background:var(--input);border:1px solid var(--line);border-radius:7px}
.setting-choices button{display:flex;align-items:center;justify-content:center;gap:5px;flex:1;min-width:0;min-height:30px;padding:4px 5px;border:1px solid transparent;border-radius:4px;font-size:12px;color:var(--muted);white-space:nowrap}
.setting-choices button[aria-pressed=true]{border-color:transparent;background:var(--raised);color:var(--ink)}
.setting-choices button:hover{color:var(--accent)}
.setting-group:last-child .setting-choices button{gap:5px;padding:4px 5px;font-size:12px}
.choice-swatch{display:inline-block;width:9px;height:9px;border:1px solid #87928d;border-radius:2px}
.choice-swatch.white{background:#fff}.choice-swatch.black{background:#181d1a}
.range-label{font-size:12px;padding-top:2px}
.range-label>span{align-items:center;margin-bottom:8px}
.range-label output{min-width:24px;padding:0;color:var(--ink);font-size:12px;font-variant-numeric:tabular-nums}
.range-label input{display:block;appearance:none;-webkit-appearance:none;height:18px;margin:0;background:transparent;cursor:pointer}
.range-label input::-webkit-slider-runnable-track{height:3px;border-radius:9px;background:var(--line)}
.range-label input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:12px;height:12px;border:0;border-radius:50%;margin-top:-4.5px;background:var(--accent);box-shadow:none}
.range-label input::-moz-range-track{height:3px;border-radius:9px;background:var(--line)}
.range-label input::-moz-range-thumb{width:12px;height:12px;border:0;border-radius:50%;background:var(--accent)}
.save-controls{grid-template-columns:minmax(0,1fr);gap:10px;padding:0 18px 18px;border-top:0}
.save-format{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;border-top:1px solid var(--line)}
.export-label{font-size:11px;color:var(--muted)}
.export-select{position:relative;min-width:0;width:160px;max-width:calc(100% - 36px)}
.export-select #exportFormat{appearance:none;-webkit-appearance:none;min-height:36px;width:100%;border-radius:7px;padding:7px 25px 7px 10px;font-size:12px}
.export-select>.icon{position:absolute;right:10px;top:50%;width:10px;height:10px;transform:translateY(-50%) rotate(90deg);color:var(--muted);pointer-events:none}
.save-controls .primary-button{min-height:42px;width:100%;border-radius:7px;font-size:13px;font-weight:600;letter-spacing:.02em}
.preview-area{align-self:stretch}
.canvas-wrap{flex:1 0 auto}
.view-tabs button,.materials-details>summary{font-size:11px}
.preview-status,.materials-meta,.material-count{font-size:11px}
@media(min-width:641px) and (max-width:959px){.workspace-panel{grid-template-columns:240px minmax(0,1fr)}.controls{padding:16px}.save-controls{padding:0 16px 16px}}
@media(max-width:640px){.workspace-panel{grid-template-columns:minmax(0,1fr)}.controls{grid-template-columns:minmax(0,1fr);padding:16px;gap:16px}.image-controls{display:block;padding-bottom:16px}.image-controls .control-heading{margin-bottom:10px}.drop-zone{min-height:54px}.size-controls .control-heading{margin-bottom:10px}.dimension-fields{grid-template-columns:minmax(0,1fr) 18px minmax(0,1fr)}.save-controls{padding:16px;grid-template-columns:minmax(0,1fr);border-top:1px solid var(--line)}.save-format{padding-top:0;border-top:0}.export-select{width:180px}}
/* One continuous palette, with category toggles above it. */
.block-panel{padding:14px 14px 4px}
.palette-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px 16px;flex-wrap:wrap;margin-bottom:12px}
.palette-heading{gap:8px;min-height:28px}
.palette-heading h2{font-size:13px;font-weight:600}
.selection-count{color:var(--muted);font-size:10px}
.attribute-tools{padding:0;border:0}
.attribute-list{gap:5px}
.attribute-button{min-height:27px;padding:3px 9px;border:1px solid transparent;border-radius:5px;background:var(--raised);color:var(--muted);font-size:11px;font-weight:400}
.attribute-button[aria-pressed=true]{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.attribute-button[aria-pressed=mixed]{background:var(--raised);border:1px dashed var(--line);color:var(--ink)}
.attribute-button:hover{border-color:var(--accent)}
.category-list{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:12px}
.category-list .category-toggle{display:flex;align-items:center;gap:5px;width:auto;min-height:28px;padding:4px 8px;border:1px solid transparent;border-radius:5px;background:var(--raised);color:var(--muted);font-size:11px;font-weight:400}
.category-list .category-toggle[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}
.category-list .category-toggle[aria-pressed=mixed]{border:1px dashed var(--line);color:var(--ink)}
.category-list .category-toggle:hover{border-color:var(--accent)}
.category-name{line-height:1.4}
.block-list{display:grid;grid-template-columns:repeat(auto-fill,26px);gap:4px;columns:auto;padding:12px 0;border-top:1px solid var(--line);overflow:visible}
.block-option{width:26px;height:26px;padding:2px;border:1px dashed var(--line);border-radius:3px;background:transparent;transition:border-color .12s,background .12s}
.block-option:has(input:checked){border:1px solid var(--line);background:var(--panel);box-shadow:none}
.block-option:has(input:checked):after{display:none}
.block-option:not(:has(input:checked)) .block-image{opacity:.35;filter:grayscale(.7)}
.block-option:not(:has(input:checked)):after{content:"−";display:grid;place-items:center;position:absolute;right:0;bottom:0;width:10px;height:10px;border-radius:2px 0 2px 0;background:var(--panel);color:var(--muted);font-size:9px;line-height:1}
.block-option:hover{border-color:var(--accent);background:var(--accent-soft)}
.block-option:focus-within{outline:2px solid var(--accent);outline-offset:1px}
.block-image{width:20px;height:20px}
@media(max-width:599px){.block-panel{padding:12px 12px 2px}.palette-toolbar{gap:8px;margin-bottom:10px}.attribute-tools{width:100%}.attribute-list{gap:4px}.attribute-button{min-height:28px;padding:3px 8px}.category-list{gap:4px}.block-list{grid-template-columns:repeat(auto-fill,28px)}.block-option{width:28px;height:28px}.block-image{width:22px;height:22px}}

/* Selected E direction: dot type, a flat settings rail, and a framed upload. */
body{font-size:12px;letter-spacing:.025em;font-synthesis:none}
body,button,input,select,textarea,h1,h2,h3,strong{font-weight:400}
.header-inner{min-height:64px;padding:12px 24px}
#pageTitle{font-size:28px;font-weight:400;letter-spacing:.015em;line-height:1.4}
.page-shell{padding:20px 24px 24px}
.editor-layout{gap:20px}
.workspace-panel{display:grid;grid-template-columns:272px minmax(0,1fr);grid-template-rows:auto;grid-template-areas:"controls preview" "error preview";column-gap:20px;border:0;border-radius:0;background:transparent;overflow:visible;align-items:start}
.controls{grid-area:controls;display:flex;flex-direction:column;gap:0;padding:20px 22px 22px;min-width:0}
.controls>.control-section{width:100%}
.control-heading{min-height:18px;margin-bottom:14px}
h2,.palette-heading h2{font-size:12px;font-weight:400;letter-spacing:inherit}
.image-controls{padding:0 0 26px;border:0}
.drop-zone{min-height:66px;padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--input);font-size:12px;font-weight:400;letter-spacing:inherit}
.file-name{font-size:11px}
.size-controls .control-heading{margin-bottom:12px}
.settings-reset{width:22px;height:22px}
.dimension-fields{display:flex;flex-direction:column;align-items:stretch;gap:10px;padding:0;border:0;border-radius:0;background:transparent}
.dimension-field{display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:12px;min-height:40px}
.dimension-field>span{font-size:12px;line-height:1.5}
.dimension-field input{min-height:40px;padding:4px 2px 8px;border:0;border-bottom:1px solid var(--line);border-radius:0;font-size:16px;font-weight:400;line-height:1.3;text-align:right;letter-spacing:.025em;background:transparent}
.dimension-field:focus-within{border:0;box-shadow:none}
.dimension-field:focus-within input{border-bottom-color:var(--accent);box-shadow:0 1px 0 var(--accent)}
.dimension-cross{display:none}
.aspect-lock{min-height:40px;gap:8px;font-size:12px;margin-top:3px}
.advanced-settings{margin-top:7px;border-top:0}
.advanced-settings>summary{min-height:44px;font-size:12px}
.advanced-body{padding-bottom:8px}
.save-controls{display:flex;flex-direction:column;gap:20px;align-items:stretch;margin-top:12px;padding:0;border:0;grid-area:auto}
.save-format{min-height:48px;padding-top:10px;border-top:1px solid var(--line)}
.export-label{font-size:12px}
.export-select{width:140px;max-width:calc(100% - 50px)}
.export-select #exportFormat{min-height:40px;padding:8px 20px 8px 6px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;font-size:12px;letter-spacing:inherit}
.export-select #exportFormat:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.export-select>.icon{right:2px}
.save-controls .primary-button{min-height:38px;border-radius:7px;font-size:12px;font-weight:400;letter-spacing:inherit}
.preview-area{grid-area:preview;align-self:stretch;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.preview-toolbar{min-height:50px;padding:8px 14px}
.view-tabs button{font-size:12px;padding:6px 10px}
.view-tabs button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}
.canvas-wrap{height:clamp(470px,60dvh,680px);min-height:470px;flex:1 0 auto;background-size:28px 28px}
.materials-details>summary{min-height:36px;font-size:12px;padding:9px 14px}
.preview-status,.materials-meta,.material-count{font-size:11px}
.preview-totals strong,.materials-meta strong{font-weight:400}
.block-panel{border-radius:10px;padding:16px 20px 8px}
.palette-toolbar{margin-bottom:14px}
.palette-heading h2{font-size:14px}
.selection-count{font-size:11px;font-weight:400}
.attribute-button,.category-list .category-toggle{font-size:12px;font-weight:400}
.category-list{gap:6px}
.category-toggle:before,.block-option:after{font-family:sans-serif}
.conversion-error{grid-area:error;margin:0 22px;border:1px solid var(--danger);border-radius:5px}
@media(min-width:641px) and (max-width:959px){
 .workspace-panel{grid-template-columns:228px minmax(0,1fr);column-gap:12px}
 .controls{padding:16px 10px}
 .canvas-wrap{height:clamp(470px,60dvh,620px);min-height:470px}
 .save-controls{padding:0}
 .view-tabs button{padding:5px 7px;font-size:11px}
}
@media(max-width:640px){
 .header-inner{min-height:60px;padding:12px 16px}
 #pageTitle{font-size:24px}
 .page-shell{padding:12px 12px 20px}
 .workspace-panel{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"controls" "preview" "error";gap:16px}
 .controls{display:flex;padding:10px 8px 4px;gap:0}
 .image-controls{padding-bottom:24px}
 .drop-zone{min-height:60px}
 .dimension-fields{display:flex;flex-direction:column}
 .dimension-field{grid-template-columns:90px minmax(0,1fr)}
 .save-controls{margin-top:12px;padding:0;border:0;gap:18px}
 .save-format{padding-top:10px;border-top:1px solid var(--line)}
 .export-select{width:calc(100% - 102px)}
 .preview-area{border:1px solid var(--line)}
 .canvas-wrap{height:clamp(340px,58dvh,560px);min-height:340px}
 .block-panel{padding:14px 12px 4px}
 .attribute-button,.category-list .category-toggle{font-size:11px}
 .preview-expanded .workspace-panel{grid-template-areas:"preview" "controls" "error"}
 .preview-expanded .canvas-wrap{height:calc(100dvh - 110px);min-height:400px}
 .conversion-error{margin:0 8px}
}

/* Typography only in the three requested preview/palette control regions. */
.preview-toolbar,.preview-footer,.materials-details>summary,.palette-toolbar,.category-list{font-family:"MC Canvas UI",sans-serif;font-synthesis:none;letter-spacing:0}
.view-tabs button{font-size:13px;font-weight:500;letter-spacing:0}
.preview-dimensions{font-size:12px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:.02em;word-spacing:1px}
.preview-footer .preview-status,.preview-footer .preview-totals{font-size:12px;letter-spacing:0}
.preview-footer .preview-totals strong{font-size:13px;font-weight:500;letter-spacing:0;margin-inline-end:3px}
.materials-details>summary{font-size:12px;font-weight:400}
.materials-details>summary #usageSummary{font-size:12px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.palette-heading h2{font-size:14px;font-weight:500}
.palette-toolbar .selection-count{font-size:12px;font-weight:400;font-variant-numeric:tabular-nums;letter-spacing:0;word-spacing:2px}
.attribute-button,.category-list .category-toggle{font-size:12px;font-weight:400;letter-spacing:0}
@media(min-width:641px) and (max-width:959px){.view-tabs button{font-size:11px}}
@media(max-width:640px){.attribute-button,.category-list .category-toggle{font-size:11px}}

/* Palette bulk controls: distinguish groups without competing with the blocks. */
.block-panel{padding:18px 20px 4px}
.palette-toolbar{margin-bottom:15px;gap:8px}
.palette-heading{gap:10px;min-height:30px}
.palette-heading h2{font-size:15px;font-weight:600;color:var(--ink)}
.palette-count-label{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px;white-space:nowrap}
.palette-toolbar .selection-count{color:var(--ink);font-size:11px;word-spacing:0}
.palette-hint{color:var(--muted);font-size:11px}
.palette-filters{display:grid;gap:10px;padding:14px 0 16px;border-top:1px solid var(--line)}
.palette-filter-row{display:grid;grid-template-columns:70px minmax(0,1fr);align-items:start;gap:10px}
.palette-filter-label{padding-top:8px;color:var(--muted);font-size:11px;line-height:1.4;white-space:nowrap}
.category-list,.attribute-list{display:flex;flex-wrap:wrap;gap:6px;padding:0}
.attribute-tools{width:auto;min-width:0}
.category-list .category-toggle,.attribute-button{min-height:32px;padding:5px 10px;border:1px solid #3b4b49;border-radius:7px;background:transparent;color:var(--muted);font-size:12px;line-height:1.4;transition:background-color .15s,border-color .15s,color .15s}
.category-list .category-toggle{gap:7px}
.category-list .category-toggle:before{width:12px;height:12px;border-radius:3px}
.category-list .category-toggle[aria-pressed=true],.attribute-button[aria-pressed=true]{border-color:#3f6e61;background:#1c302c;color:#b4e4d6}
.category-list .category-toggle[aria-pressed=mixed],.attribute-button[aria-pressed=mixed]{border-color:#618579;border-style:dashed;background:#1c2927;color:var(--ink)}
.category-list .category-toggle:hover,.attribute-button:hover{border-color:var(--accent);color:var(--ink)}
.block-list{padding-top:14px}
@media(max-width:640px){
 .block-panel{padding:16px 14px 4px}
 .palette-hint{font-size:10px}
 .palette-filters{gap:13px}
 .palette-filter-row{grid-template-columns:1fr;gap:6px}
 .palette-filter-label{padding:0;font-size:11px}
 .category-list .category-toggle,.attribute-button{min-height:36px;padding:6px 10px;font-size:12px}
}

/* Quieter selected states for palette group controls. */
.category-list .category-toggle,.attribute-button{border-color:#36413f;background:#161c1d;color:#aab7b2}
.category-list .category-toggle{gap:8px}
.category-list .category-toggle:before{content:"";display:block;width:7px;height:7px;border:1px solid #71827c;border-radius:50%;background:transparent}
.category-list .category-toggle[aria-pressed=true],.attribute-button[aria-pressed=true]{border-color:#506660;background:#25302e;color:#edf3f1}
.category-list .category-toggle[aria-pressed=true]:before{content:"";border-color:#a2c8bb;background:#a2c8bb}
.category-list .category-toggle[aria-pressed=mixed],.attribute-button[aria-pressed=mixed]{border-color:#71847e;border-style:dashed;background:#202927;color:#edf3f1}
.category-list .category-toggle[aria-pressed=mixed]:before{content:"−";display:grid;place-items:center;width:9px;height:9px;border-color:#9ebbb1;background:transparent;color:#c1ddd4;font-size:9px;line-height:1}
.category-list .category-toggle:hover,.attribute-button:hover{border-color:#85a99d;color:#fff}

/* Adjustable width with familiar block-size shortcuts. */
.size-slider-control{margin-top:16px}
.size-slider-control>label{display:block;margin-bottom:8px;color:var(--muted);font:400 12px "MC Canvas UI",sans-serif}
.size-slider-control input[type=range]{display:block;width:100%;height:24px;margin:0;appearance:none;-webkit-appearance:none;background:transparent;cursor:pointer}
.size-slider-control input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:99px;background:#40504c}
.size-slider-control input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:16px;height:16px;margin-top:-6px;border:2px solid var(--panel);border-radius:50%;background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.size-slider-control input[type=range]::-moz-range-track{height:4px;border-radius:99px;background:#40504c}
.size-slider-control input[type=range]::-moz-range-thumb{width:12px;height:12px;border:2px solid var(--panel);border-radius:50%;background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.size-presets{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;margin-top:3px}
.size-presets button{min-width:0;min-height:30px;padding:4px 1px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font:400 10px "MC Canvas UI",sans-serif;font-variant-numeric:tabular-nums}
.size-presets button:hover{border-color:#85a99d;color:var(--ink)}