:root{color:#17191c;font-synthesis:none;--accent:#ff6b1a;--accent-dark:#bb4304;--accent-soft:#fff3eb;--ink:#17191c;--muted:#70767d;--line:#e3e6e9;--radius:12px;background:#f4f6f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.45}button{color:inherit}a{color:inherit;text-decoration:none}h1,h2,h3,p,figure,dl{margin:0}svg{fill:none;stroke:currentColor;flex-shrink:0;width:20px;height:20px}button svg{pointer-events:none}[hidden]{display:none!important}:focus-visible{outline-offset:3px;outline:3px solid #ff9a61}::selection{background:#ffddc6}.navbar{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;min-height:76px;padding:0 29px;display:grid}.brand{letter-spacing:-.065em;align-items:center;gap:8px;font-size:24px;font-weight:800;display:flex}.brand-name{flex-shrink:0}.brand-divider{background:#dce0e3;width:1px;height:20px}.brand-product{color:var(--accent-dark);letter-spacing:.08em;font-size:11px;font-weight:800;display:block}.brand-copy{letter-spacing:0;flex-direction:column;gap:3px;display:flex}.brand-tagline{color:var(--muted);letter-spacing:0;white-space:nowrap;font-size:11px;font-weight:500}.nav-actions{justify-self:end;align-items:center;gap:9px;display:flex}.nav-actions .button{min-height:40px;padding:0 14px}.tool-navigation{justify-content:center;align-items:center;gap:37px;display:flex}.tool-nav-item{color:#58677a;white-space:nowrap;align-items:center;height:76px;font-size:14px;font-weight:500;display:inline-flex;position:relative}.tool-nav-item:after{content:"";background:0 0;border-radius:2px;height:2px;position:absolute;bottom:18px;left:0;right:0}.tool-nav-item:hover,.tool-nav-item.active{color:var(--ink)}.tool-nav-item.active:after{background:var(--accent)}.button{border:1px solid var(--line);border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:38px;padding:9px 13px;font-size:13px;font-weight:650;transition:background .16s,border-color .16s;display:inline-flex}.button svg{width:16px;height:16px}.subtle{background:#fff}.subtle:hover{background:#f6f7f8;border-color:#c7cdd2}.dark{color:#fff;background:#24272b;border-color:#24272b}.dark:hover{background:#3a3e43}.primary{color:#fff;background:var(--accent);border-color:var(--accent)}.primary:hover{background:#e55b0e;border-color:#e55b0e}.full-width{width:100%}.end-icon{margin-left:auto}main{max-width:1840px;margin:0 auto;padding:22px 28px 0}.eyebrow{color:var(--accent-dark);letter-spacing:1.6px;font-size:9px;font-weight:750}.workspace{grid-template-columns:310px minmax(320px,1fr) 288px;align-items:start;gap:17px;scroll-margin-top:20px;display:grid}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff}.settings{scrollbar-width:thin;scrollbar-color:#d8dce0 transparent;max-height:910px;overflow:auto}.panel-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:19px 19px 16px;display:flex}.panel-heading .eyebrow{letter-spacing:1.3px;color:#878d93;font-size:10px}.panel-heading h2{letter-spacing:-.4px;margin-top:5px;font-size:20px}.panel-heading>svg{color:var(--muted);width:18px;height:18px}.setting-section{border-bottom:1px solid #edf0f2;padding:16px 18px}.setting-section.last{border-bottom:0}h3{font-size:13px;font-weight:700}.setting-section h3{align-items:center;gap:8px;margin-bottom:13px;display:flex}.step-number{background:var(--accent-soft);width:20px;height:20px;color:var(--accent-dark);border-radius:5px;place-items:center;font-size:11px;font-weight:750;display:grid}.local-badge{color:#7f858c;letter-spacing:1px;margin-left:auto;font-size:9px;font-weight:550}.dropzone{cursor:pointer;text-align:center;background:#fafbfc;border:1px dashed #cdd3d9;border-radius:7px;flex-direction:column;align-items:center;gap:7px;padding:17px 5px;display:flex;position:relative}.dropzone:hover,.dropzone.dragging,.dropzone:focus-within{border-color:var(--accent);background:var(--accent-soft)}.dropzone input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.dropzone strong{font-size:12px;font-weight:650}.dropzone>span:last-child{color:var(--muted);font-size:10px}.upload-icon{color:#777f87;place-items:center;width:32px;height:30px;display:grid}.source-file{align-items:center;gap:9px;margin-top:12px;display:flex}.source-thumb{object-fit:cover;background:#eff1f3;border-radius:4px;width:39px;height:33px;position:relative;overflow:hidden}.source-thumb>img{object-fit:cover;width:100%;height:100%;display:block}.no-image-thumb,.no-image-placeholder{color:#99a1a9;background:linear-gradient(135deg,#0000 48%,#e1e5e8 49% 51%,#0000 52%),#f2f4f5;place-items:center;display:grid}.no-image-thumb{letter-spacing:.35px;text-transform:uppercase;align-content:center;gap:1px;font-size:6px;font-weight:700;position:absolute;inset:0}.no-image-thumb svg{width:12px;height:12px}.source-file[data-image-state=ready] .no-image-thumb{display:none}.source-file>div:not(.source-thumb){flex:1;min-width:0}.source-file strong{text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:600;display:block;overflow:hidden}.source-file small{color:var(--muted);margin-top:3px;font-size:10px;display:block}.icon-button{background:#f1f3f5;border:0;border-radius:5px;place-items:center;width:28px;height:28px;padding:5px;display:inline-grid}.icon-button svg{width:14px;height:14px}.icon-button:hover{background:#e5e9ed}.setting-section h3 .icon-button{width:23px;height:23px;margin-left:auto}.shape-options{grid-template-columns:repeat(2,1fr);gap:6px;display:grid}.shape-option{border:1px solid var(--line);color:#626971;background:#fafbfc;border-radius:6px;flex-direction:column;align-items:center;gap:7px;padding:10px 2px;font-size:10px;display:flex}.shape-option svg{width:22px;height:22px}.shape-option.active{background:var(--accent-soft);color:var(--accent-dark);border-color:var(--accent)}.shape-option:hover{border-color:var(--accent)}.field-note{color:#7b828a;margin-top:9px;font-size:11px;line-height:1.65}.numeric-control{grid-template-columns:91px minmax(30px,1fr) 44px;align-items:center;gap:9px;margin:11px 0;display:grid}.numeric-control label{color:#555c64;font-size:12px}.numeric-control label span{color:#959ba1;margin-left:4px;font-size:10px}.numeric-control input[type=number]{text-align:center;color:#343a40;appearance:textfield;background:#fafbfc;border:1px solid #e6e9ec;border-radius:4px;width:100%;min-width:0;height:25px;padding:2px;font-size:12px}input::-webkit-inner-spin-button{appearance:none;margin:0}input::-webkit-outer-spin-button{appearance:none;margin:0}input[type=range]{appearance:none;background:linear-gradient(to right, var(--accent) var(--progress,50%), #e5e9ed var(--progress,50%));cursor:pointer;border-radius:2px;width:100%;min-width:0;height:3px;margin:0}input[type=range]::-webkit-slider-thumb{appearance:none;border:2px solid var(--accent);background:#fff;border-radius:50%;width:10px;height:10px}input[type=range]::-moz-range-thumb{border:2px solid var(--accent);background:#fff;border-radius:50%;width:7px;height:7px}.check-row{color:#50575f;cursor:pointer;align-items:center;gap:7px;margin:9px 0;font-size:12px;line-height:1.6;display:flex}.check-row input{accent-color:var(--accent);width:12px;height:12px;margin:0}.check-row svg{width:11px;height:11px}.check-row.compact{color:#8a9096;font-size:11px}.check-row:has(input:disabled){opacity:.5;cursor:not-allowed}.inline-checks{gap:24px;display:flex}.mini-divider{background:#f0f2f4;height:1px;margin:13px 0}.select-label{color:#555c64;flex-direction:column;gap:8px;margin-top:16px;font-size:12px;display:flex}select{color:#3b424a;background:#fafbfc;border:1px solid #dfe4e8;border-radius:5px;padding:7px;font-size:12px}.preview-column{min-width:0}.viewer-card{border-radius:var(--radius);background:#272a29;height:clamp(460px,46vw,625px);position:relative;overflow:hidden}.viewer{position:absolute;inset:0}.viewer canvas{touch-action:none;width:100%;height:100%;display:block}.viewer-heading{z-index:2;pointer-events:none;justify-content:space-between;align-items:center;display:flex;position:absolute;top:22px;left:22px;right:22px}.viewer-heading h2{color:#f4f4ef;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.viewer-heading h2 svg{color:#b8bcb7;width:16px;height:16px}.live-badge{color:#c6cfc5;background:#343b34b3;border:1px solid #4c534d;border-radius:20px;padding:5px 8px;font-size:10px}.live-badge:before{content:"";vertical-align:middle;background:#9ebe92;border-radius:50%;width:4px;height:4px;margin-right:5px;display:inline-block}.viewer-tools{z-index:2;background:#303432de;border:1px solid #515450;border-radius:9px;flex-direction:column;gap:3px;padding:4px;display:flex;position:absolute;top:72px;left:16px}.tool-button{color:#bcc3be;background:0 0;border:0;border-radius:5px;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:40px;height:46px;font-size:9px;display:flex}.tool-button svg{width:17px;height:17px}.tool-button:hover{background:#424843}.tool-button.active{color:#fff;background:var(--accent)}.minus-icon{height:17px;font-size:22px;line-height:13px}.viewer-caption{color:#b6bbb6;pointer-events:none;flex-direction:column;gap:5px;font-size:11px;display:flex;position:absolute;bottom:78px;left:22px}.viewer-caption span:first-child{color:#d4d9d4;letter-spacing:2px;font-size:10px}.light-toggle{background:#202522df;border:1px solid #5c605a;border-radius:24px;gap:3px;padding:4px;display:flex;position:absolute;bottom:23px;left:50%;transform:translate(-50%);box-shadow:0 5px 20px #0002}.light-toggle button{color:#c7cec8;background:0 0;border:0;border-radius:20px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-size:12px;display:flex}.light-toggle button svg{width:14px;height:14px}.light-toggle button.active{color:#fff;background:var(--accent)}.fullscreen{color:#d3d9d3;background:#373d38;border:1px solid #525a52;width:32px;height:32px;position:absolute;bottom:26px;right:19px}.fullscreen:hover{background:#525a52}.viewer-card:fullscreen{border-radius:0;width:100vw;height:100vh}.viewer-fallback{text-align:center;color:#eee;flex-direction:column;justify-content:center;align-items:center;gap:15px;font-size:13px;line-height:1.8;display:flex;position:absolute;inset:120px 60px}.viewer-fallback svg{width:48px;height:48px}.viewer-hint{color:#8b9197;justify-content:space-between;align-items:center;gap:8px;margin:12px 3px 17px;font-size:11px;display:flex}.viewer-hint>span:first-child{align-items:center;gap:6px;display:flex}.status-dot{background:#659575;border-radius:50%;width:5px;height:5px;display:inline-block}.views-panel{padding:17px}.section-title{justify-content:space-between;align-items:center;gap:8px;margin-bottom:15px;display:flex}.section-title h2{letter-spacing:-.2px;font-size:14px}.section-title h3{font-size:13px}.section-title>svg{color:#959da4;width:15px;height:15px}.text-button{color:#7b828a;background:0 0;border:0;align-items:center;gap:5px;padding:0;font-size:11px;display:inline-flex}.text-button svg{width:12px;height:12px}.text-button:hover{color:var(--accent-dark)}.view-grid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.view-card{color:#8c9399;background:0 0;border:0;padding:0;font-size:11px}.view-card>div{aspect-ratio:1.4;background:#292d2a;border:2px solid #0000;border-radius:5px;width:100%;overflow:hidden}.view-card img{object-fit:cover;width:100%;height:100%;display:block}.view-card.active>div{border-color:var(--accent)}.view-card.active{color:var(--accent-dark);font-weight:650}.view-card>span{margin-top:8px;display:block}.studio-note{align-items:center;gap:12px;padding:21px 6px;display:flex}.studio-note>svg{color:#c19571;width:24px;height:24px}.studio-note strong{color:#61686e;font-size:13px;font-weight:600}.studio-note p{color:#969ba0;margin-top:4px;font-size:11px;line-height:1.7}.studio-note>span{color:#bdc2c6;letter-spacing:-1px;margin-left:auto;font-size:21px;font-weight:800;line-height:.8}.studio-note small{letter-spacing:1px;font-size:6px;font-weight:500}.results-column{flex-direction:column;gap:16px;display:flex}.comparison,.summary{padding:18px}.comparison figure{margin-bottom:15px}.comparison-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:15px;display:grid}.comparison-pair figure{margin:0}.comparison-pair .image-frame{aspect-ratio:1.25}.image-frame{aspect-ratio:1.7;background:#f0f2f4;border-radius:6px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.image-frame>img,.image-frame>canvas{object-fit:contain;width:100%;height:100%;display:block}.no-image-placeholder{letter-spacing:.75px;text-transform:uppercase;align-content:center;gap:7px;font-size:10px;font-weight:700;position:absolute;inset:0}.no-image-placeholder svg{width:26px;height:26px}.image-frame[data-image-state=ready] .no-image-placeholder{display:none}figcaption{color:#656d75;justify-content:space-between;gap:5px;margin-top:7px;font-size:11px;display:flex}.caption-tag{color:#949ba2;letter-spacing:.6px;font-size:9px;font-weight:600}.thickness-figure{align-items:center;gap:11px;display:flex}.thickness-figure .image-frame{aspect-ratio:1.5;width:55%}.thickness-figure figcaption{flex-direction:column;flex:1;gap:8px;margin:0;font-size:10px}.thickness-legend{color:#969ba1;flex-direction:column;gap:4px;font-size:9px;display:flex}.gradient-bar{background:linear-gradient(90deg,#412618,#f8e9cf);border-radius:2px;height:5px}.thickness-legend>span:last-child{text-align:right}.comparison>.field-note{border-top:1px solid #edf0f2;padding-top:11px;font-size:10px}.summary dl{flex-direction:column;gap:10px;display:flex}.summary dl>div{justify-content:space-between;gap:8px;font-size:11px;display:flex}.summary dt{color:#858d95}.summary dd{text-align:right;color:#4e565e;margin:0;font-weight:550}.price-line{border-top:1px solid #edf0f2;justify-content:space-between;align-items:center;gap:6px;margin:17px 0;padding-top:17px;display:flex}.price-line>span{color:#676f78;font-size:12px}.price-line small{color:#969ca3;margin-top:4px;font-size:9px;display:block}.price-line strong{letter-spacing:-.8px;white-space:nowrap;font-size:23px}.summary .primary{min-height:42px;font-size:13px}.lithophane-cart-button{justify-content:space-between}.lithophane-cart-button>span:last-child{font-size:18px;line-height:1}.secondary-export{margin-top:8px;font-size:11px}.fixed-size-card{background:var(--accent-soft);border:1px solid #ffdcc7;border-radius:7px;flex-direction:column;gap:6px;padding:13px;display:flex}.fixed-size-card>span{color:var(--accent-dark);letter-spacing:1px;font-size:10px}.fixed-size-card strong{font-size:20px;font-weight:650}.fixed-size-card small{color:var(--muted);font-size:11px}.export-note{text-align:center;color:#929aa2;margin-top:9px;font-size:10px;display:block}footer{color:#9ba1a7;justify-content:space-between;align-items:center;gap:20px;padding:7px 30px 24px;font-size:11px;display:flex}footer>span:first-child{letter-spacing:1px;font-size:9px}footer strong{color:#757e86;letter-spacing:-1px;margin-right:8px;font-size:18px}.footer-dot{margin:0 8px}.local-indicator{align-items:center;gap:6px;display:flex}.toast{z-index:100;color:#fff;background:#242b26;border:1px solid #59605a;border-radius:9px;max-width:min(550px,90vw);padding:14px 22px;font-size:12px;line-height:1.6;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 5px 25px #0002}.toast.error{background:#803721;border-color:#ac5c42}@media (width>=1600px){.workspace{grid-template-columns:310px minmax(400px,1fr) 300px;gap:22px}.numeric-control{grid-template-columns:100px 1fr 48px}.viewer-card{height:660px}.settings{max-height:1000px}.setting-section{padding:20px}.image-frame{aspect-ratio:1.6}}@media (width<=1180px){main{padding:18px 18px 0}.navbar{padding:0 20px}.workspace{grid-template-columns:280px minmax(300px,1fr) 250px;gap:12px}.setting-section{padding:14px}.numeric-control{grid-template-columns:83px 1fr 40px;gap:7px}.comparison,.summary{padding:14px}.price-line strong{font-size:18px}.view-grid{gap:5px}.views-panel{padding:14px}.viewer-heading{left:18px;right:18px}.viewer-hint{font-size:8px}.studio-note>span{display:none}}@media (width<=980px){.workspace{grid-template-columns:260px minmax(0,1fr)}.results-column{grid-column:1/-1;grid-template-columns:1fr 1fr;display:grid}.comparison .image-frame{aspect-ratio:2.4}.comparison{grid-template-columns:1fr 1fr;gap:10px;display:grid}.comparison .section-title,.comparison .thickness-figure,.comparison>.field-note,.comparison-pair{grid-column:1/-1}.comparison figure{margin:0}.comparison .thickness-figure .image-frame{aspect-ratio:2.4;width:46%}.comparison .field-note{margin:0}.viewer-card{height:540px}.settings{max-height:830px}footer>span:nth-child(2){display:none}}@media (width<=640px){.navbar{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions""nav nav";gap:0;height:auto;min-height:64px;padding:12px 15px 0}.brand{grid-area:brand;gap:6px;min-width:0;padding-bottom:11px;font-size:21px}.brand-product{letter-spacing:1px;font-size:10px}.brand-tagline{display:none}.nav-actions{grid-area:actions;gap:6px;padding-bottom:9px}.nav-actions .button{white-space:nowrap;border-radius:7px;min-height:36px;padding:0 11px;font-size:11px}.tool-navigation{scrollbar-width:none;grid-area:nav;justify-content:flex-start;gap:27px;width:100%;height:42px;overflow:auto hidden}.tool-navigation::-webkit-scrollbar{display:none}.tool-nav-item{flex:none;height:42px;font-size:12px}.tool-nav-item:after{bottom:0}main{padding:14px 12px 0}.workspace{flex-direction:column;gap:16px;display:flex}.settings,.preview-column,.results-column{width:100%}.settings{max-height:none}.setting-section,.panel-heading{padding:18px}.numeric-control{grid-template-columns:103px 1fr 54px;gap:14px;margin:16px 0}.numeric-control label,.check-row,.select-label{font-size:12px}.numeric-control input[type=number]{height:30px;font-size:12px}input[type=range]{height:4px}input[type=range]::-webkit-slider-thumb{width:15px;height:15px}input[type=range]::-moz-range-thumb{width:12px;height:12px}.shape-option{padding:12px;font-size:10px}.check-row{margin:12px 0}.check-row input{width:15px;height:15px}.dropzone{padding:22px}.dropzone strong{font-size:12px}.dropzone>span:last-child,.field-note{font-size:10px}.source-file strong{font-size:11px}.source-file small{font-size:9px}.viewer-card{height:460px}.viewer-hint{font-size:8px}.light-toggle button{padding:10px 14px}.results-column{display:flex}.comparison{padding:18px;display:block}.comparison>figure{margin-bottom:17px}.comparison .image-frame{aspect-ratio:1.7}.comparison .thickness-figure .image-frame{aspect-ratio:1.7;width:60%}.comparison .section-title h2,.summary .section-title h2{font-size:15px}.summary{padding:20px}.summary dl>div{font-size:12px}.price-line strong{font-size:27px}.price-line>span{font-size:12px}.price-line small,.export-note{font-size:9px}.summary .primary{min-height:46px;font-size:13px}footer{padding:6px 17px 20px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}