:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#20372c;background:#fff;color-scheme:light;--field-border:#a8b6ad;--field-border-hover:#829589}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}a{color:#275c42}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b97120;outline-offset:4px}.brand{display:flex;justify-content:space-between;align-items:center;background:#12241b;color:#fff;padding:22px 4%;gap:24px}.brand a{font-size:27px;letter-spacing:-1px;color:#fff;text-decoration:none}.brand a span{color:#7ab795;margin-left:8px}.brand>span{font-size:11px;letter-spacing:.13em}main{max-width:1560px;margin:auto;padding:34px 4% 0}.intro{margin-bottom:26px}h1{font-size:clamp(30px,3vw,42px);font-weight:650;letter-spacing:-.04em;margin:0 0 10px}p{line-height:1.55}.intro p{max-width:740px;margin:0;color:#657067}.intro strong{color:#284332}.workbench{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(300px,1fr);gap:32px}.preview,aside{min-width:0}#viewer{height:600px;position:relative;background-color:#687060;background-image:url('../media/stanza-copertina.webp');background-size:cover;background-position:center;background-repeat:no-repeat;overflow:hidden;border-radius:14px}canvas{display:block;width:100%;height:100%;touch-action:none}.view-label{position:absolute;top:20px;left:22px;font-size:10px;letter-spacing:.13em;color:#424a3e;pointer-events:none}.view-label span{display:block;font-size:12px;letter-spacing:0;margin-top:6px}.view-buttons{position:absolute;bottom:16px;left:16px;right:16px;display:flex;justify-content:center;gap:5px;flex-wrap:wrap}.view-buttons button{border:1px solid #c4c7be;border-radius:8px;padding:10px 13px;background:#fffffff2;color:#234632;font-size:12px;font-weight:600}.view-buttons button[aria-pressed=true]{background:#204a34;color:white;border-color:#204a34}.caption,.small{font-size:12px;color:#627166}.caption{margin:12px 0}.preview>p:last-child{font-size:14px;margin-top:6px}h2{font-size:21px;letter-spacing:-.02em;margin:0 0 20px}form label{display:flex;flex-direction:column;font-size:13px;font-weight:600;gap:8px;margin-bottom:18px}input[type=text],input:not([type]),select,textarea{min-width:0;width:100%;height:44px;border:1px solid var(--field-border);border-radius:7px;background:#fff;padding:9px 10px;color:#20372c;box-shadow:0 1px 2px rgba(18,36,27,.04);transition:border-color .15s ease,box-shadow .15s ease}input[type=text]:hover,input:not([type]):hover,select:hover,textarea:hover{border-color:var(--field-border-hover)}input[name=text]{font-size:22px;font-weight:650;letter-spacing:.12em;height:52px}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.primary{width:100%;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:0;border-radius:8px;background:#31734d;color:white;font-weight:600}.primary:disabled{opacity:.55;cursor:wait}.finish{border-top:1px solid #dce2dd;margin-top:26px;padding-top:24px}fieldset{padding:0;border:0;margin:0}legend{font-size:13px;margin-bottom:12px;font-weight:600}.swatches{display:flex;gap:22px}.swatches label{cursor:pointer;display:grid;justify-items:center;gap:7px;font-size:12px;position:relative}.swatches input{position:absolute;opacity:0;width:32px;height:32px}.swatches i{display:block;border-radius:50%;background:var(--swatch);width:32px;height:32px;outline:1px solid #b9c3bc;outline-offset:3px}.swatches input:checked+i{outline:2px solid #306245;outline-offset:4px}.swatches input:focus-visible+i{outline:3px solid #b97120}.switch{display:flex;align-items:center;gap:9px;font-size:13px;margin-top:22px}.switch input{accent-color:#31734d;width:17px;height:17px}.technical{margin:40px 0 0;border-top:1px solid #dce2dd;border-bottom:1px solid #dce2dd;padding:20px 0;font-size:13px}.technical summary{cursor:pointer;font-weight:650}.technical p{max-width:1000px}footer{font-size:12px;color:#657167;padding:32px 0 40px}@media(min-width:1400px){#viewer{height:660px}}@media(max-width:900px){.workbench{grid-template-columns:1fr;gap:25px}#viewer{height:500px}}@media(max-width:540px){.brand{padding:17px 16px}.brand>span{font-size:9px;max-width:94px;line-height:1.5}main{padding:26px 16px 0}.intro{margin-bottom:22px}#viewer{height:420px}.view-buttons button{font-size:11px;padding:10px}.view-buttons{left:6px;right:6px;gap:4px}.view-label{left:15px}.intro p{font-size:14px}.two{gap:10px}h2{font-size:20px}}
/* Public embed: the WordPress family owns branding, heading and external margins. */
main{padding:0;max-width:none}.message-map{display:none}.workbench{gap:28px;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr)}#viewer{height:560px}.summary{border-top:1px solid #dce2dd;margin-top:32px;padding-top:24px}.summary button,.reset{border:1px solid #b5c8bc;color:#244a34;background:#fff;border-radius:8px;padding:12px 16px;min-height:44px}.reset{margin-top:12px;width:100%;font-size:13px}.summary button:disabled{opacity:.55;cursor:not-allowed}#error{background:#fff3ed;color:#7f2b17;border-left:3px solid #aa4e2b;padding:12px;font-size:14px}#dimensions{font-size:13px;color:#4b6153}.message-map{color:#6d5939;text-align:center;padding:18px;background:#e8e4da;border-radius:12px;margin-bottom:24px;line-height:1.5;font-weight:650}.message-map>div{display:flex;justify-content:center;align-items:center;gap:12px}.message-map strong{color:#fff6df;background:#224b38;padding:6px 20px;border-radius:5px;font-size:24px}.message-map small{display:block;font-weight:400;font-size:11px;margin-top:9px;color:#5c6258}.technical{margin-bottom:12px}input,select,textarea{font-size:16px}#viewer[aria-busy=true]{opacity:1}#viewer[aria-busy=true] .gesture-hint{visibility:hidden}#viewer[aria-busy=true]::after{content:'Preparazione dell\2019 anteprima\2026';position:absolute;right:12px;bottom:12px;z-index:4;padding:7px 10px;border:1px solid rgba(66,86,74,.2);border-radius:999px;background:rgba(255,252,245,.92);color:#33463b;font-size:11px;font-weight:600;line-height:1.2;box-shadow:0 1px 4px rgba(18,36,27,.12);pointer-events:none}.preview.is-stale canvas{opacity:.38}.preview.is-stale .view-label span{font-weight:700;color:#7f2b17}[hidden]{display:none!important}
@media(max-width:900px){.workbench{display:flex;flex-direction:column;gap:28px}.workbench aside{order:0}.workbench .preview{order:1}.message-map{display:block}.finish{margin-top:22px;padding-top:20px}#viewer{height:400px}.two{grid-template-columns:1fr 1fr}main{padding:0}}
@media(max-width:540px){#viewer{height:340px}.view-buttons button{min-height:44px;padding:9px 8px}.message-map{padding:14px}.message-map>div>span{font-size:12px}.view-label{top:14px}main{padding:0}.workbench{gap:24px}}

.swatches{flex-wrap:wrap;column-gap:20px;row-gap:10px}.light-colors{margin-top:10px}.swatches label{min-width:52px;min-height:60px}.swatches input{width:44px;height:44px}
.technical .two{margin-top:20px}.technical label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600;min-width:0}.technical input[type=number]{min-width:0;width:100%;height:44px;border:1px solid var(--field-border);border-radius:7px;background:#fff;padding:9px 10px;color:#20372c;box-shadow:0 1px 2px rgba(18,36,27,.04);transition:border-color .15s ease,box-shadow .15s ease}.technical input[type=number]:hover{border-color:var(--field-border-hover)}.technical #optical-result{padding:12px 0;border-top:1px solid #dce2dd;margin-top:20px}@media(max-width:540px){.technical .two{grid-template-columns:1fr}}

/* R08.3: projected-word fields remain on one row at every width. */
.projected-words{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:10px;align-items:start}
.projected-words>label{min-width:0;margin:0 0 18px}
.projected-words input{min-width:0;width:100%;padding-inline:8px;font-size:16px;letter-spacing:0}
.projected-words .word-caption{display:block;line-height:1.4;min-height:2.8em}
.projected-words .word-caption>span{display:block}
@media(max-width:540px){.projected-words{gap:8px}.projected-words>label{font-size:12px}.projected-words input{padding-inline:6px}}

/* R08.4: complete captions on one line as well as the fields. */
.projected-words .word-caption{white-space:nowrap;min-height:1.4em;font-size:clamp(11px,1.2vw,13px)}
.projected-words .word-caption>span{display:inline}

/* R08.5: shape, direction and corners share a row at every width. */
.shape-options{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr);gap:10px}
.shape-options>label{min-width:0;white-space:nowrap}
.shape-options select{min-width:0;width:100%;padding-inline:4px;font-size:14px}
.shape-options:has(#direction-label[hidden]){grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:540px){.shape-options{gap:8px}.shape-options>label{font-size:12px}.shape-options select{font-size:13px}}

/* R09: reserve room below the model when view controls wrap. */
@media(max-width:360px){#viewer{height:450px}}

/* R11: one live preview, first in DOM and visual order at every width. */
.message-map{display:none!important}.workbench .preview{order:0}.workbench aside{order:1}
#viewer{border-radius:8px;height:520px;overflow:visible;margin-bottom:80px}.view-buttons{bottom:-68px;left:0;right:0;justify-content:flex-start;gap:6px}.view-buttons button{min-height:44px;font-size:12px}.view-label{max-width:calc(100% - 32px)}
.placement-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.placement-controls label{font-size:12px;display:flex;flex-direction:column;gap:8px}.placement-controls input{width:100%;min-height:30px;accent-color:#204a34}.placement-controls button{min-height:44px;border:1px solid #b5c8bc;border-radius:7px;padding:10px 14px;background:white;color:#244a34}@media(max-width:900px){.workbench .preview{order:0}.workbench aside{order:1}#viewer{height:450px;margin-bottom:80px}}
@media(max-width:540px){#viewer{height:350px;margin-bottom:122px}.view-buttons{bottom:-108px}.placement-controls{grid-template-columns:1fr}.view-label{top:12px;font-size:9px}.view-label span{font-size:11px}}

/* Photographic room: keep controls legible without covering the object. */
#viewer[data-scene=wall]{background-color:#687060}
#viewer[data-scene=wall] .view-label{background:#ffffffec;padding:9px 12px;border-radius:6px;color:#20372c;top:12px;left:12px;max-width:calc(100% - 24px)}
#viewer[data-scene=wall] canvas{cursor:grab}
.placement-controls label{min-width:0}.placement-controls input{min-width:0}
/* R11 final: the photographic room leads; personalization follows. */
.workbench{display:flex;flex-direction:column;gap:28px}.workbench aside{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}.workbench aside .finish{margin-top:0;padding-top:0;border-top:0}
#viewer{height:auto;aspect-ratio:3/2;max-height:760px}.view-buttons{position:static;padding-top:14px;min-height:58px}#viewer{margin-bottom:72px}.placement-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;align-items:end}.placement-controls button{height:44px}
@media(max-width:700px){.workbench aside{display:block}.workbench aside .finish{margin-top:24px;padding-top:24px;border-top:1px solid #dce2dd}.placement-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.placement-controls button{grid-column:1/-1}#viewer{margin-bottom:122px}.view-buttons{min-height:108px}}
#viewer{width:100%;max-height:620px}

.preview,.workbench>aside,.summary,.technical{width:100%;max-width:1100px;margin-left:auto;margin-right:auto}#viewer{max-height:none}
@media(max-width:540px){#viewer[data-scene] .view-label{max-width:58%;font-size:8px;padding:5px 7px;left:6px;top:6px}#viewer[data-scene] .view-label span{font-size:9px;margin-top:3px}}

#viewer{margin:0}.view-buttons{position:static;min-height:0;padding:12px 0;margin:0 0 16px}.view-buttons button{min-height:44px}.placement-controls{margin:0 0 16px}

/* R11.1: native range margins must not exceed their grid cell. */
.placement-controls input[type=range]{margin:0}
/* Keep the upper projected word clear on narrow screens. */
@media(max-width:540px){#viewer[data-scene] .view-label{top:auto;bottom:6px;max-width:calc(100% - 12px)}}

/* R14: discreet gesture cue, never intercepts the canvas. */
.gesture-hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:7px;width:max-content;max-width:calc(100% - 32px);padding:0;border:0;border-radius:0;background:transparent;color:#fff;box-shadow:none;pointer-events:none;font-size:clamp(14px,2vw,18px);font-weight:650;line-height:1.3;text-align:center;opacity:1;transition:opacity .2s,visibility .2s}
.gesture-hint svg{width:76px;height:52px;flex:none;filter:drop-shadow(0 1px 4px rgba(0,0,0,.72));animation:gesture-sweep 2s ease-in-out 2}
.gesture-hint span{text-shadow:0 1px 4px rgba(0,0,0,.78),0 0 12px rgba(0,0,0,.42)}
#viewer:not([data-scene=wall]) .gesture-hint{display:none}
#viewer[data-placement-learned=true] .gesture-hint{opacity:0;visibility:hidden}
@keyframes gesture-sweep{0%,100%{transform:translateX(0)}25%{transform:translateX(-10px)}75%{transform:translateX(10px)}}
@media(max-width:540px){.gesture-hint{padding:0;gap:4px;border-radius:0}.gesture-hint svg{width:64px;height:44px}}
@media(prefers-reduced-motion:reduce){.gesture-hint{transition:none}.gesture-hint svg{animation:none}}


@media(max-width:540px){#viewer[data-scene] .view-label{top:6px;bottom:auto;max-width:52%}.gesture-hint span{max-width:none}.view-label span{display:none}}

/* R15: direct light control, with keyboard and screen-reader support. */
.visually-hidden{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}
.scene-light{position:absolute;top:12px;left:12px;display:flex;gap:9px;align-items:center;min-height:44px;padding:7px 12px;border-radius:24px;background:transparent;color:#fff;font-size:12px;text-shadow:0 1px 4px rgba(0,0,0,.78);cursor:pointer;user-select:none}
.scene-light input{position:absolute;width:100%;height:100%;margin:0;inset:0;opacity:0;cursor:pointer}
.toggle-track{width:34px;height:20px;border-radius:20px;background:#66716b;position:relative;flex:none;pointer-events:none}
.toggle-track:after{content:'';position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .15s}
.scene-light input:checked+.toggle-track{background:#286441}.scene-light input:checked+.toggle-track:after{transform:translateX(14px)}
.scene-light:has(input:focus-visible){outline:3px solid #b97120;outline-offset:3px}.scene-light b{display:inline-block;min-width:23px;font-weight:650}
@media(max-width:540px){.scene-light{top:6px;left:6px;font-size:11px;padding:5px 9px;gap:6px}}
@media(prefers-reduced-motion:reduce){.toggle-track:after{transition:none}}
.form-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:stretch}.form-actions .primary,.form-actions .reset{width:100%;min-height:48px;margin:0}.form-actions .reset{display:flex;align-items:center;justify-content:center}@media(max-width:700px){.form-actions{grid-template-columns:1fr}}

#viewer[aria-busy=true] .gesture-hint svg,#viewer:not([data-scene=wall]) .gesture-hint svg{animation-play-state:paused}