:root{font-family:"Segoe UI",Arial,sans-serif;color:#233b4a;background:#f9fafb;font-synthesis:none;--accent:#215a88;--line:#d6dfe5}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #de9918;outline-offset:4px}header{height:88px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;font-size:24px;font-weight:750;letter-spacing:-1px}.brand svg{width:35px;fill:none;stroke:var(--accent);stroke-width:2.4}.brand span{font-size:15px;font-weight:500;letter-spacing:0;padding:5px 9px;border-left:1px solid #b5c5cf;margin-left:5px}.header-note{font-size:14px;color:#5a6c78}main{display:grid;grid-template-columns:minmax(0,1fr) 360px;max-width:1680px;margin:auto;min-height:calc(100vh - 136px)}.studio{position:relative;background:#e7edf1;display:flex;flex-direction:column;min-width:0;padding:42px 38px 24px;overflow:hidden}.intro h1{font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:clamp(30px,3.1vw,49px);letter-spacing:-1.9px;font-weight:700;margin:0 0 10px}.intro p{font-size:17px;color:#576c7b;margin:0}#viewer{position:relative;width:100%;flex:1;min-height:390px;height:52vh;touch-action:none}#viewer canvas{display:block;width:100%;height:100%}#loading{position:absolute;top:44%;left:10%;right:10%;text-align:center;color:#476274;line-height:1.6;pointer-events:none}.view-tools{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}.view-tools button{border:1px solid #bccbd5;border-radius:30px;background:transparent;padding:8px 15px;font-size:13px;color:inherit}.view-tools button[aria-pressed=true]{background:#fff;border-color:#fff}.view-tools span{font-size:12px;color:#526878;margin-left:7px}.preview-caption{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:27px;font-size:11px;color:#5b7080}aside{padding:28px 26px;border-left:1px solid var(--line);background:#fff}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}h2{font-size:20px;letter-spacing:-.4px;margin:0}h3{font-size:15px;margin:0 0 12px;font-weight:650}.text-button{border:0;background:none;color:var(--accent);font-size:13px;padding:6px 0;text-underline-offset:4px}.text-button:hover{text-decoration:underline}.part-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-radius:7px;background:#eef2f5;padding:3px;gap:3px}.part-tabs button{border:0;background:none;border-radius:5px;padding:9px;color:#526775;font-size:13px}.part-tabs button[aria-pressed=true]{background:white;color:#1f455d;font-weight:650}.color-name{display:flex;align-items:center;justify-content:space-between;margin:15px 0 11px;font-size:13px}#color-chip{width:15px;height:15px;border-radius:50%;border:1px solid #bbc8cc}.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.swatches button{height:29px;width:100%;border:1px solid #0002;border-radius:5px;position:relative}.swatches button[aria-pressed=true]{outline:2px solid #264b66;outline-offset:3px}.looks{margin-top:20px}.looks>span{font-size:11px;color:#677c89}.looks>div{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.looks button{border:1px solid #d6dfe5;border-radius:5px;background:white;padding:6px 8px;color:#435d6c;font-size:11px}.looks button:hover{border-color:var(--accent)}.pattern-section{border-top:1px solid var(--line);margin-top:23px;padding-top:21px}select{width:100%;padding:10px;border:1px solid #bdcbd5;border-radius:5px;background:#fff;color:#294858;font-size:14px}.slider-label{display:flex;justify-content:space-between;font-size:12px;margin-top:16px}.slider-label output{font-variant-numeric:tabular-nums;color:#536f81}input[type=range]{width:100%;accent-color:var(--accent);margin:9px 0 0;cursor:pointer}.check-label{font-size:13px;display:flex;align-items:center;gap:8px;margin-top:16px}input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.preset-label{display:block;font-size:12px;margin:15px 0 7px}.fine-print{font-size:11px;line-height:1.5;color:#617786;margin:11px 0 0}#status{font-size:12px;line-height:1.5;color:#4f6d5d;background:#eef5f0;padding:10px 12px;border-radius:5px;margin-top:18px}#status.busy{background:#f1f4f8;color:#425c78}#error{margin-top:10px;border-left:3px solid #bb4d31;background:#fff1ed;padding:10px;font-size:12px;color:#832e1a;line-height:1.5}.actions{display:flex;flex-direction:column;gap:8px;margin-top:17px}.primary,.secondary{border:1px solid var(--accent);border-radius:5px;font-size:13px;padding:12px;font-weight:650}.primary{background:var(--accent);color:white}.primary:hover{background:#164665}.secondary{background:white;color:var(--accent)}.end-note{margin-top:14px;text-align:center}footer{display:flex;justify-content:space-between;padding:16px 4vw;font-size:11px;color:#6c7c88;border-top:1px solid var(--line)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(min-width:1500px){main{grid-template-columns:minmax(0,1fr) 395px}aside{padding:34px}#viewer{min-height:520px}}@media(max-width:900px){header{height:72px}.header-note{display:none}main{grid-template-columns:1fr}.studio{padding:28px 20px 20px}#viewer{height:330px;flex:none;min-height:0}.intro h1{font-size:34px}aside{border-left:0;padding:25px;max-width:640px;width:100%;margin:auto}.preview-caption{font-size:10px}.swatches button{height:36px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

#combinations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.looks .combination{display:flex;align-items:center;gap:8px;text-align:left;padding:9px 7px;margin:0;min-height:42px;font-size:11px}.combination-chips{display:flex;flex-shrink:0}.combination-chips i{width:12px;height:22px;border:1px solid #0002}.combination-chips i:first-child{border-radius:4px 0 0 4px}.combination-chips i:last-child{border-radius:0 4px 4px 0}.looks .combination[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#edf4f8}

.pattern-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.pattern-tile{padding:4px;border:1px solid var(--line);border-radius:6px;background:white;color:inherit;min-width:0;overflow:hidden;text-align:left}.pattern-tile img{display:block;width:100%;height:auto;aspect-ratio:3/2;border-radius:3px}.pattern-tile span{display:block;font-size:11px;line-height:1.25;padding:7px 3px;min-height:37px}.pattern-tile:hover{border-color:var(--accent);background:#f3f7fa}.pattern-tile[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#eaf2f8}.pattern-tile[aria-pressed=true] span{font-weight:700}#pattern-controls h4{font-size:13px;margin:20px 0 10px}.style-gallery .pattern-tile span{min-height:28px}@media(max-width:400px){.pattern-gallery{gap:6px}.pattern-tile span{font-size:10px}}

.part-tabs{grid-template-columns:repeat(4,minmax(0,1fr))}.part-tabs button{padding-left:5px;padding-right:5px}

#pattern-picker>summary{display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;padding:12px 0;font-size:14px;font-weight:650}.change-pattern{font-size:11px;font-weight:400;color:var(--accent);text-decoration:underline}#pattern-picker[open] .change-pattern{font-size:0}#pattern-picker[open] .change-pattern:after{content:'Hide patterns';font-size:11px}.advanced-settings{border-top:1px solid var(--line);margin-top:18px;padding-top:12px}.advanced-settings>summary{cursor:pointer;font-size:13px;font-weight:600;padding:5px 0}summary:focus-visible{outline:3px solid #de9918;outline-offset:3px}

/* Keep the preview independent of the much taller customization panel. */
@media(min-width:901px){.studio{position:sticky;top:0;align-self:start;height:calc(100dvh - 88px);min-height:460px;padding-top:28px}#viewer{height:auto;min-height:0;flex:1}.intro h1{font-size:clamp(30px,2.7vw,44px)}}

#render-progress{position:absolute;z-index:3;left:50%;bottom:20px;transform:translateX(-50%);display:flex;align-items:center;gap:13px;padding:14px 18px;max-width:calc(100% - 24px);width:370px;border:1px solid #bed0de;border-radius:12px;background:rgba(255,255,255,.96);box-shadow:0 5px 24px #233b4a20;pointer-events:none}#render-progress[hidden]{display:none}#render-progress svg{width:52px;flex:0 0 52px;fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round}#render-progress path{stroke-dasharray:11 5;animation:flowing-stream 1.4s linear infinite}#render-progress path:nth-child(2){animation-delay:-.45s}#render-progress path:nth-child(3){animation-delay:-.9s}#render-progress strong{font-size:13px;display:block;margin-bottom:4px}#render-progress span{font-size:11px;line-height:1.4;display:block;color:#526878}@keyframes flowing-stream{to{stroke-dashoffset:-32}}@media(prefers-reduced-motion:reduce){#render-progress path{animation:none;stroke-dasharray:none}}

.theme-label{min-width:0;line-height:1.3}.theme-label small{display:block;font-size:9px;color:#617786;margin-top:4px;font-weight:400}.theme-toggle{margin:8px 0 12px}.looks .combination{align-items:flex-start}.theme-toggle input{flex-shrink:0}

.about-radio{max-width:590px;margin-top:16px;font-size:12px;color:#425d70;line-height:1.5}.about-radio summary{cursor:pointer;text-decoration:underline}.about-radio p{font-size:12px;margin:10px 0}.about-radio a{color:var(--accent)}.hardware-section{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.hardware-section .part-tabs{grid-template-columns:1fr 1fr}

.qualification{font-size:.82rem;line-height:1.5;background:#fff4d9;color:#644b17;padding:12px;border-radius:10px}.manual-link{font-size:.85rem;color:#294b59;margin-left:auto;margin-right:20px}.manual-page{max-width:1040px;margin:auto;padding:40px 24px}.manual-page h1{font-size:clamp(2rem,5vw,3.8rem)}.manual-layout{display:grid;grid-template-columns:240px 1fr;gap:40px}.manual-page nav{position:sticky;top:20px;align-self:start}.manual-page nav a{display:block;padding:8px 0;color:#294b59}.manual-page article{margin:0 0 24px;padding:24px;background:white;border:1px solid #d9e2e5;border-radius:16px;scroll-margin-top:24px}.manual-page article p{line-height:1.7;color:#3c4b53}.manual-page article.locked{background:#eef1f2}.manual-page img{max-width:100%;border-radius:16px}.manual-page .edition-note{padding:18px;background:#fff4d9;border-radius:12px}.manual-page footer{padding:20px 0}@media(max-width:700px){.manual-layout{grid-template-columns:1fr}.manual-page nav{position:static}.header-note{display:none}}

main.build-page,main.manual-page{display:block;min-height:0}

/* Desktop studio: a fixed preview beside an independently scrolling form. */
@media(min-width:901px){
 body.customizer-page{height:100dvh;overflow:hidden;display:flex;flex-direction:column}
 .customizer-page>header{flex:0 0 88px}
 .customizer-page>main{flex:1;min-height:0;width:100%;overflow:hidden}
 .customizer-page .studio{position:relative;top:auto;align-self:stretch;height:100%;min-height:0}
 .customizer-page>main>aside{height:100%;min-height:0;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable}
 .customizer-page>footer{flex:0 0 auto}
}

.preview-actions{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px}
.preview-actions .view-tools{grid-column:2;display:flex;flex-direction:column;gap:8px}
.view-buttons{display:flex;gap:8px}
.preview-actions .view-tools>span{margin:0;font-size:11px}
#preview-start-building{justify-self:end;border:0;border-radius:8px;background:#215a88;color:#fff;padding:12px 17px;font-weight:650;white-space:nowrap}
#preview-start-building:hover{background:#17466c}
@media(max-width:600px){.preview-actions{grid-template-columns:1fr auto;gap:8px}.preview-actions .view-tools{grid-column:1;align-items:flex-start}#preview-start-building{padding:11px 12px;font-size:13px}}