/* Existing header, step 3 and results use original site styles. New rules are scoped. */
.cs-page{font-family:Montserrat,Arial,sans-serif}.pilot-note{text-align:center;font-size:12px;color:#888;margin:-60px 0 45px}.pilot-tools button{font-family:Montserrat,sans-serif;cursor:pointer;white-space:nowrap}.pilot-tools p{font-size:14px}.pilot-tools .c1-control__item{padding:12px 9px}#status,#error{font-size:12px;line-height:1.5;color:#a94d2c;min-height:18px;margin:10px 0}.cs-result{margin:0}.cs-result canvas{width:100%;height:auto}.cs-result .cs-result-item{margin-bottom:35px}.cs-result-left{display:block!important}.cs-results-left{display:none}.pilot-scope{font-size:12px;color:#888;line-height:1.6;border-top:1px solid #ddd;padding:20px 0}.pilot-scope button{font:inherit;padding:10px;background:#fff;border:1px solid #aaa;border-radius:4px}.pilot-footer{font-size:12px;color:#888;text-align:center;padding:30px;border-top:1px solid #ddd}#step4{background:#EFEFEF;border-radius:10px;padding:29px 18px;margin-top:28px;font-family:Montserrat,sans-serif}#step4 .step-block-group{font-size:22px;font-weight:700;margin-bottom:15px}#step4 .muted{font-size:12px;color:#5d5d5d;line-height:1.6;margin:0 0 20px}#step4 .presets{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}#step4 .preset{border:1px solid #c3c3c3;background:#fff;border-radius:5px;padding:10px;text-align:left;font-size:11px;line-height:1.55;cursor:pointer;font-family:inherit}#step4 .preset.active{outline:2px solid #DD6F46;outline-offset:-2px}#step4 .preset svg{width:100%;height:65px;display:block}#step4 .preset span{display:block}#step4 details{padding:20px 0;border-top:2px solid #c3c3c3}#step4 details:last-child{padding-bottom:0}#step4 summary{list-style:none;cursor:pointer;font-size:16px;font-weight:700;position:relative;padding-right:22px}#step4 summary:after{content:'+';position:absolute;right:0;top:0;color:#DD6F46}#step4 details[open] summary:after{content:'−'}#step4 summary small{display:block;font-size:12px;font-weight:400;color:#777;margin-top:7px}#step4 .field{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:500;margin:18px 0 8px}#step4 .field select{width:56%;background:#fff;border:1px solid #c3c3c3;border-radius:0;min-height:35px;padding:5px;font:inherit;font-size:12px;cursor:pointer}#step4 .field input[type=color]{width:64px;height:32px;border:1px solid #c3c3c3;padding:2px;background:#fff}#step4 input[type=checkbox]{width:22px;height:22px;accent-color:#DD6F46}#step4 .ral-btn{background:none;border:0;padding:7px 0;font-size:12px;color:#b14b28;text-decoration:underline;cursor:pointer}#step4 .notice{font-size:11px;line-height:1.6;color:#777;margin:14px 0}.cs-page button:focus-visible,.cs-page summary:focus-visible{outline:3px solid #DD6F46;outline-offset:2px}#ral{position:fixed;margin:auto;inset:0;border:0;border-radius:10px;padding:25px;width:480px;max-width:92vw;height:fit-content;max-height:85vh;overflow:auto;box-shadow:0 10px 80px #0004;font-family:Montserrat,sans-serif}#ral::backdrop{background:#0005}#ral h2{font-size:23px;margin:10px 0}#ral .muted{font-size:12px;color:#777}#ral .close{float:right;border:0;background:none;font-size:25px;cursor:pointer}#search{width:100%;padding:10px;border:1px solid #bbb;font-size:14px;margin:15px 0}#ralColors{display:grid;grid-template-columns:1fr 1fr;gap:10px}#ralColors button{border:1px solid #ccc;border-radius:4px;padding:10px;text-align:left;background:#fff;font-size:12px;cursor:pointer}#ralColors i{display:inline-block;width:24px;height:24px;border:1px solid #aaa;margin:0 6px 4px 0;vertical-align:middle}#printSettings{display:none}
@media(max-width:767px){.pilot-note{margin:-40px 0 30px}.pilot-tools{margin:24px 0 12px}.cs-result-left{display:none!important}.cs-results-left{display:block}#step4{margin-top:28px}.pilot-tools p{font-size:12px}.cs-result .cs-result-item{margin-bottom:25px}}
@media(max-width:767px){.pilot-note{margin:-12px 0 22px;font-size:10px}.pilot-tools{display:flex;flex-direction:column;gap:8px}.pilot-tools .c1-control__item{width:100%;margin:0;justify-content:center;min-height:42px}.pilot-tools p{font-size:12px}#step4{background:#fff;border-radius:0;padding:24px 0 0;margin-top:0}#step4 .step-block-group{font-size:16px;text-align:center}#step4 .muted{text-align:center;font-size:11px}#step4 summary{font-size:14px}#step4 .preset{font-size:12px}#step4 .field{font-size:13px}.cs-result .cs-result-label{font-size:20px}.pilot-scope{font-size:11px}}
@media print{header,.breadcrumbs-wrap,.two_top_btn,.pilot-note,.pilot-tools,#step4,.pilot-footer,.pilot-scope,#status,#error{display:none!important}#elementContainer h1{font-size:22px;margin:10px 0 20px}.cs-top{display:none}.section-wrap{width:100%}.cs-result-left{display:block!important}.cs-results-left{display:none}.cs-result-label{font-size:20px}.cs-result canvas{max-width:600px}.cs-result-item{break-inside:avoid}.cs-result-left .cs-result-item{padding:15px}.cs-result-block{padding:5px 0}.cs-result-block.cs-result-block-title{margin-bottom:10px}.cs-result-block .block-result-item-raschet{font-size:10px}.cs-result-block .cs-result-label{font-size:12px;margin:3px}#printSettings{display:block;font-size:11px}body{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
/* Preserve canvas aspect ratios rather than the legacy fixed inline height. */
.cs-result canvas{height:auto!important;max-height:720px;object-fit:contain}.cs-result .cs-result-item{margin-bottom:45px}
@media (max-width:767px){.cs-result canvas{max-height:500px}.cs-result .cs-result-item{margin-bottom:30px}}
.mobile-tools{display:none}
@media(max-width:767px){.pilot-tools:not(.mobile-tools){display:none}.mobile-tools{display:flex;margin:0 0 28px}}
/* The original small desktop grid overflows on tablets. Stack at the same width as mobile. */
@media(min-width:768px) and (max-width:1100px){#elementContainer.container{max-width:94%;width:94%}#elementContainer h1{font-size:30px}.c1-calculator-btn__btn,.btn__btn_back_section_url{font-size:14px}.cs-top .step-block-group,#step4 .step-block-group{font-size:18px}.cs-result-label{font-size:28px}}

/* Only the visualization region changes; calculation and design controls retain original styling. */
.has-3d #legacy-drawings:not([open]) .cs-result{display:block;position:absolute;left:-100000px;width:800px;visibility:hidden;pointer-events:none}
#stair-viewer{margin:18px 0 32px;min-width:0}#stair-viewer h2{font-size:28px;font-weight:700;text-align:center;margin:0 0 24px}
.view3d{border:1px solid #ddd;border-radius:6px;background:#f3f1ee;overflow:hidden;position:relative}.view3d-tabs{display:flex;gap:4px;padding:12px;background:#fff;border-bottom:1px solid #e2e2e2}.view3d button{font-family:inherit;font-size:12px;font-weight:600;border:1px solid #c3c3c3;background:#fff;padding:9px 13px;border-radius:4px;cursor:pointer;color:#333}.view3d button[aria-pressed=true]{background:#DD6F46;border-color:#DD6F46;color:white}.view3d-canvas{width:100%;height:540px;cursor:grab;touch-action:none}.view3d-canvas:active{cursor:grabbing}.view3d-canvas canvas{display:block;width:100%;height:100%}.view3d-tools{display:flex;gap:6px;position:absolute;right:12px;top:72px}.view3d-tools button{background:#fffffff0;box-shadow:0 2px 6px #0001}.view3d-hint{text-align:center;font-size:11px;color:#68635e;padding:0 12px;margin:0 0 14px}.view3d-measures{padding:13px 12px;border-top:1px solid #ddd;background:#fff;text-align:center;font-size:12px;color:#555}.view3d-note,.view3d-loading{font-size:11px;line-height:1.6;color:#777;margin:12px 0}.view3d-print{display:none}
@media(max-width:767px){#stair-viewer h2{font-size:20px;margin:0 0 18px}.view3d-canvas{height:390px}.view3d-tabs{gap:4px;padding:8px}.view3d-tabs button{flex:1;padding:8px 5px;font-size:11px}.view3d-tools{right:8px;top:58px;gap:4px}.view3d-tools button{font-size:11px;padding:8px 9px}.view3d-measures{font-size:10px}.view3d-hint{font-size:10px}}
@media print{.has-3d #legacy-drawings,.view3d{display:none!important}.has-3d .view3d-print{display:block;width:100%;max-height:650px;object-fit:contain}#stair-viewer{break-inside:avoid}.view3d-note{font-size:9px}}

#legacy-drawings{margin:24px 0;border-top:1px solid #ddd;padding-top:20px}#legacy-drawings>summary{font-size:16px;font-weight:600;cursor:pointer;margin-bottom:20px}#email-report{position:fixed;inset:0;margin:auto;width:480px;max-width:92vw;max-height:85vh;overflow:auto;border:0;border-radius:8px;padding:25px;font-family:Montserrat,sans-serif}#email-report::backdrop{background:#0006}#email-report h2{font-size:22px}#email-report p{font-size:12px;line-height:1.6}#email-report input{display:block;width:100%;padding:10px;border:1px solid #bbb;margin:8px 0 16px}#email-report label{font-size:13px}#email-report button{font:inherit;cursor:pointer;border:1px solid #aaa;border-radius:4px;padding:10px 15px;background:#fff}#email-report button[type=submit]{background:#DD6F46;color:#fff;border-color:#DD6F46}#email-report .report-close{float:right;border:0;font-size:24px;padding:0 5px}#email-report button:disabled{opacity:.5;cursor:wait}.email-setup-note{padding:12px;background:#f4f1ed;color:#665646}#email-report-status{color:#9b482b}

.calculator-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.calculator-group{margin:36px 0}.calculator-group h2{font-size:22px;font-weight:700;margin-bottom:20px}.calculator-card{display:flex;flex-direction:column;border:1px solid #ddd;border-radius:4px;padding:20px;color:#222;background:white;text-decoration:none!important}.calculator-card:hover,.calculator-card:focus-visible{border-color:#f36b3c;box-shadow:0 5px 20px #00000012}.calculator-card img{width:100%;height:180px;object-fit:contain}.calculator-card h3{font-size:17px;font-weight:700;line-height:1.4;margin:16px 0}.calculator-card span{color:#ee693a;font-size:13px;margin-top:auto}.calculator-card:focus-visible{outline:3px solid #f36b3c}@media(max-width:767px){.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.calculator-card{padding:12px}.calculator-card img{height:130px}.calculator-card h3{font-size:14px}}@media(max-width:360px){.calculator-grid{grid-template-columns:1fr}}

.cs-result-left.cs-result-left-modile{display:none!important}@media(max-width:991px){.cs-result-left.d-lg-block{display:none!important}.cs-result-left.cs-result-left-modile{display:block!important}}

.view3d-open-row{display:flex;justify-content:flex-end;background:#fff;padding:8px 12px 0}.view3d-tools{top:112px}.view3d-fullscreen{inset:0;margin:0;border:0;border-radius:0;padding:0;width:100vw;max-width:none;height:100dvh;max-height:none;background:#f3f1ee;color:#252525;font-family:Montserrat,Arial,sans-serif;overflow:hidden}.view3d-fullscreen[open]{display:flex;flex-direction:column}.view3d-fullscreen::backdrop{background:#f3f1ee}.view3d-fullscreen-bar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 20px;padding-top:max(12px,env(safe-area-inset-top));background:#fff;border-bottom:1px solid #ddd}.view3d-fullscreen-bar button{font:600 14px Montserrat,Arial,sans-serif;cursor:pointer;border:1px solid #c3c3c3;border-radius:4px;background:#fff;padding:10px 16px;color:#333}.view3d-fullscreen-bar strong{font-size:16px}.view3d-fullscreen-bar span{font-size:12px;color:#777}.view3d-fullscreen .view3d{flex:1;min-height:0;border:0;border-radius:0;display:flex;flex-direction:column}.view3d-fullscreen .view3d-open-row{display:none}.view3d-fullscreen .view3d-canvas{flex:1;min-height:0;height:auto}.view3d-fullscreen .view3d-tools{top:70px}.view3d-fullscreen .view3d-tabs,.view3d-fullscreen .view3d-hint,.view3d-fullscreen .view3d-measures{flex-shrink:0}.view3d-fullscreen .view3d-measures{padding-bottom:max(12px,env(safe-area-inset-bottom))}@media(max-width:767px){.view3d-tools{top:96px}.view3d-fullscreen-bar{padding:10px 12px}.view3d-fullscreen-bar span{display:none}.view3d-fullscreen-bar strong{font-size:12px}.view3d-fullscreen .view3d-tools{top:58px}}

#step4 .manual-design-heading{font-family:inherit;font-size:15px;font-weight:600;line-height:1.5;margin:24px 0 12px;color:#303030}

#visualization-3d{margin-top:18px}
#toggle-3d{display:block;width:100%;border:0;background:transparent;padding:12px 0;text-align:left;font:600 16px Montserrat,sans-serif;color:inherit;cursor:pointer}
#toggle-3d::before{content:'▾ ';}#toggle-3d[aria-expanded="false"]::before{content:'▸ ';}
#toggle-3d:focus-visible{outline:2px solid #dd6f46;outline-offset:4px}
#stair-viewer>h2{display:none}
/* Keep a measurable offscreen canvas so PDF export includes 3D even when collapsed. */
#stair-viewer.view3d-collapsed{position:absolute;left:-100000px;width:800px;visibility:hidden;pointer-events:none}
@media print{#toggle-3d{display:none}#stair-viewer.view3d-collapsed{position:static;width:auto;visibility:visible}}

@media(max-width:700px){.view3d button,.view3d-fullscreen button{min-height:44px;min-width:44px}.view3d-tools{gap:8px;flex-wrap:wrap}}

/* Compact viewer toolbar: views and fullscreen share one baseline. */
.view3d-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:#fff;border-bottom:1px solid #e2e2e2;flex-shrink:0}
.view3d-toolbar .view3d-tabs{order:0;padding:0;border:0;gap:6px;min-width:0}
.view3d-toolbar .view3d-open-row{order:1;padding:0;flex-shrink:0}
.view3d-toolbar button{min-height:40px;white-space:nowrap}
.view3d-toolbar button:hover{border-color:#dd6f46}
.view3d-toolbar button:focus-visible{outline:2px solid #dd6f46;outline-offset:3px}
.view3d-stage{position:relative;min-height:0}
.view3d .view3d-tools,.view3d-fullscreen .view3d-tools{top:12px;right:12px}
.view3d-fullscreen .view3d-stage{flex:1;min-height:0;display:flex}
.view3d-fullscreen .view3d-canvas{height:auto}
@media(max-width:600px){
 .view3d-toolbar{flex-wrap:wrap;gap:8px;padding:8px}
 .view3d-toolbar .view3d-tabs{width:100%}
 .view3d-toolbar .view3d-tabs button{flex:1;min-height:44px}
 .view3d-toolbar .view3d-open-row{width:100%;justify-content:flex-end}
 .view3d-toolbar .view3d-open-row button{min-height:44px}
 .view3d .view3d-tools,.view3d-fullscreen .view3d-tools{top:8px;right:8px}
}

.view3d-toolbar{flex-wrap:wrap;gap:8px 12px}
.view3d-toolbar .view3d-open-row{order:2;margin-left:auto;width:auto}
.view3d-motion{order:1;display:flex;gap:6px;border-left:1px solid #ddd;padding-left:12px}
.view3d-motion button{min-height:40px;white-space:nowrap}
.view3d-motion button[data-motion=stop][aria-pressed=true]{background:#f2f2f2;border-color:#c3c3c3;color:#555}
@media(max-width:700px){.view3d-toolbar .view3d-tabs{width:100%}.view3d-motion{padding:0;border:0;flex:1}.view3d-motion button{flex:1;min-height:44px}.view3d-toolbar .view3d-open-row{margin-left:auto}.view3d-toolbar .view3d-open-row button{min-height:44px}}
@media(max-width:430px){.view3d-motion{flex-basis:100%}.view3d-toolbar .view3d-open-row{width:100%}}

.railing-preview{margin:14px 0 8px;padding:10px;background:#fff;border:1px solid #d3d3d3;border-radius:6px}.railing-preview img{display:block;width:100%;height:130px;object-fit:contain}.railing-preview figcaption{font-size:12px;color:#666;margin-top:8px;line-height:1.5}

/* Always-visible alternatives replace the hidden riser checkbox branch. */
.riser-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:16px 0}.riser-card{min-width:0;padding:8px 4px;border:1px solid #bbb;border-radius:6px;background:#fff;color:#252525;text-align:center;font:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:5px}.riser-card svg{width:100%;height:auto;max-height:95px}.riser-card strong{font-size:12px;line-height:1.3}.riser-card small{font-size:10px;line-height:1.3;color:#666}.riser-card-state{font-size:10px;color:#777;margin-top:auto;padding-top:5px}.riser-card[aria-pressed=true]{border:2px solid #df7145;padding:7px 3px;background:#fff9f5}.riser-card[aria-pressed=true] .riser-card-state{color:#a84420;font-weight:700}.riser-card:focus-visible{outline:3px solid #252525;outline-offset:2px}.riser-card:hover{border-color:#df7145}

.design-choice-group{margin:16px 0}.design-choice-title{font-size:14px;margin-bottom:9px;font-weight:600}.design-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.design-choice{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0;padding:10px 7px;background:#fff;border:1px solid #bbb;border-radius:6px;color:#252525;font:inherit;font-size:12px;text-align:center;cursor:pointer}.design-choice svg{width:90px;max-width:100%;height:56px}.design-choice small{font-size:10px;color:#777;margin-top:auto}.design-choice[aria-pressed=true]{border:2px solid #df7145;padding:9px 6px;background:#fff9f5}.design-choice[aria-pressed=true] small{color:#a84420;font-weight:700}.design-choice:focus-visible{outline:3px solid #252525;outline-offset:2px}.choice-swatch{width:100%;height:35px;border-radius:4px;border:1px solid #ccc}.choice-native[hidden]{display:none!important}

.wood-choice{padding:0 0 10px;overflow:hidden}.wood-choice img{display:block;width:100%;height:76px;object-fit:cover;margin:0 0 8px}.wood-choice>span,.wood-choice>small{padding:0 8px}.wood-choice .wood-description{font-weight:400;color:#666;line-height:1.4;min-height:38px}.wood-choices{align-items:stretch}.wood-choice>span{overflow-wrap:anywhere}

.natural-wood-swatch{width:100%;height:35px;object-fit:cover;border-radius:3px;margin:0 0 6px}

/* Step 4 follows the existing Step 3 typography; cards remain selectable. */
#step4 summary{font-size:22px;line-height:1.5;font-weight:700}
#step4 .design-choice-title,#step4 .field,#step4 .manual-design-heading{font-size:16px;line-height:1.5}
#step4 .field select{font-size:14px;min-height:42px;max-width:100%}
#step4 .design-choice,#step4 .preset,#step4 .riser-card{font-size:14px;line-height:1.5}
#step4 summary small,#step4 .muted,#step4 .notice,#step4 .ral-btn,#step4 .design-choice small,#step4 .riser-card small,#step4 .riser-card-state{font-size:13px;line-height:1.6}
#step4 summary small,#step4 .notice{color:#626262}
#step4 details{padding:24px 0}#step4 .design-choice-group{margin-top:20px}
.workflow-toolbar{position:sticky;top:0;z-index:30;background:#fff;border:1px solid #d3d3d3;border-radius:10px;padding:12px 16px;margin:0 0 24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px}
.workflow-mode{display:flex;align-items:center;gap:10px;margin:0;flex:1;flex-wrap:wrap}.workflow-mode select{font:inherit;padding:9px;border:1px solid #bbb;border-radius:5px;background:white;max-width:100%}
.workflow-toolbar nav{display:flex;gap:6px}.workflow-toolbar button,.workflow-next{font:600 14px/1.5 Montserrat,Arial,sans-serif;padding:10px 14px;min-height:44px;border:1px solid #bbb;border-radius:5px;background:#fff;cursor:pointer}
.workflow-toolbar button[aria-current=step],.workflow-next{background:#dd6f46;border-color:#dd6f46;color:#fff}.workflow-hint{flex-basis:100%;font-size:13px;color:#626262;margin:0}
.workflow-panel{background:#efefef;border-radius:10px;margin:0 0 24px;scroll-margin-top:145px;overflow:clip}.workflow-panel>summary{list-style:none;padding:24px 18px;cursor:pointer;font:700 22px/1.5 Montserrat,Arial,sans-serif;position:relative;padding-right:42px}.workflow-panel>summary:after{content:'+';position:absolute;right:18px;top:24px;color:#b74c28}.workflow-panel[open]>summary:after{content:'−'}.workflow-panel>summary::-webkit-details-marker{display:none}.workflow-panel>summary small{display:block;font-size:13px;font-weight:400;line-height:1.6;color:#626262;margin-top:7px}
.workflow-panel>.workflow-next{margin:8px 18px 24px;max-width:calc(100% - 36px)}.workflow-original-title{display:none!important}
.workflow-panel .cs-top{margin:0!important;padding-top:0!important}.workflow-panel #step4{margin:0;padding-top:0}.has-workflow #workflow-results .cs-result-left{display:block!important}.has-workflow .cs-result-left-modile{display:none!important}
@media(max-width:767px){.workflow-toolbar{padding:10px;gap:8px}.workflow-mode{font-size:13px}.workflow-mode select{width:100%}.workflow-toolbar nav{width:100%}.workflow-toolbar nav button{flex:1;padding:8px 4px;font-size:13px}.workflow-hint{display:none}.workflow-panel{scroll-margin-top:160px}.workflow-panel>summary,#step4 summary{font-size:20px}.workflow-panel #step4{background:#efefef;padding:0 18px 24px}.workflow-panel #step4 .muted{text-align:left}.workflow-panel .cs-top{padding-bottom:12px}.workflow-panel #step4 .design-choices{gap:8px}}
@media print{.workflow-toolbar,.workflow-panel>summary,.workflow-next,#workflow-sizes,#workflow-design{display:none!important}#workflow-results{display:block!important}#workflow-results>*{display:block!important}}
.has-workflow .cs-top .cs-variables>.step-block-group:first-child{display:none!important}
.has-workflow #workflow-results .cs-result-left .cs-result-label{font-size:20px}
.has-workflow #visualization-3d{scroll-margin-top:150px}
@media(max-width:767px){.workflow-toolbar nav button[data-preview]{flex:.65}}

/* Compact workflow switch, with the four existing navigation actions. */
.workflow-toolbar{padding:8px 12px;margin-bottom:16px;gap:8px;min-height:60px}
.workflow-mode{flex:1;gap:8px;flex-wrap:nowrap;font-size:14px}
.workflow-mode select{padding:7px 28px 7px 9px;min-height:40px;width:auto}
.workflow-toolbar nav button{padding:8px 12px}
@media(max-width:767px){.workflow-toolbar{padding:8px;gap:6px}.workflow-mode{width:100%;justify-content:space-between}.workflow-mode select{width:auto;max-width:65%}.workflow-toolbar nav button{padding:7px 4px}.workflow-panel{scroll-margin-top:125px}}
/* Compact export actions: preserve the model as the primary workspace. */
.c1-control__items.pilot-tools{justify-content:flex-start;gap:8px;flex-wrap:wrap;margin:0 0 16px;padding:0}
.pilot-tools .c1-control__item{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:auto;min-height:44px;margin:0;padding:10px 14px;border:1px solid #b8b8b8;border-radius:8px;background:#fff;color:#242424;box-sizing:border-box}
.pilot-tools .c1-control__item p{font-size:14px;font-weight:600;line-height:22px;margin:0}
.pilot-tools .c1-control__item img{width:18px;height:18px;margin:0;object-fit:contain}
.pilot-tools .c1-control__item:hover{background:#f3f3f3;border-color:#999}
.pilot-tools .c1-control__item:focus-visible{outline:3px solid #dd6f46;outline-offset:2px}
#status:empty{display:none}
#share-report{position:fixed;inset:0;margin:auto;width:480px;max-width:calc(100vw - 32px);max-height:85vh;overflow:auto;border:0;border-radius:12px;padding:24px;font-family:Montserrat,Arial,sans-serif}
#share-report::backdrop{background:#0006}#share-report h2{font-size:22px;margin:8px 0 16px}#share-report p{font-size:14px;line-height:1.6}#share-report label{font-size:13px}#share-url{width:100%;padding:12px;border:1px solid #bbb;border-radius:6px;margin:8px 0 16px;font-size:14px}#share-report button{min-height:44px;padding:10px 16px;border:1px solid #bbb;border-radius:8px;background:white;font:600 14px Montserrat,Arial,sans-serif;cursor:pointer}#share-report .share-close{float:right;border:0;font-size:24px;padding:0 8px}#share-status{color:#356544}
@media(max-width:767px){.c1-control__items.pilot-tools.mobile-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}.pilot-tools:not(.mobile-tools){display:none}.mobile-tools [data-action=mail]{grid-column:1/-1;grid-row:2}.mobile-tools [data-action=share] p{font-size:0}.mobile-tools [data-action=share] p:after{content:'Поделиться';font-size:14px}.mobile-tools .c1-control__item{width:100%;padding:10px 8px}}

#download-images{position:fixed;inset:0;margin:auto;width:480px;max-width:calc(100vw - 32px);max-height:85vh;overflow:auto;border:0;border-radius:12px;padding:24px;font-family:Montserrat,Arial,sans-serif}
#download-images::backdrop{background:#0006}#download-images h2{font-size:22px;margin:8px 0 16px}#download-images p{font-size:14px;line-height:1.6}#download-images label{font-size:13px}#unused-download-url{width:100%;padding:12px;border:1px solid #bbb;border-radius:6px;margin:8px 0 16px;font-size:14px}#download-images button{min-height:44px;padding:10px 16px;border:1px solid #bbb;border-radius:8px;background:white;font:600 14px Montserrat,Arial,sans-serif;cursor:pointer}#download-images .share-close{float:right;border:0;font-size:24px;padding:0 8px}#download-status{color:#356544}

#download-images [data-export]{display:block;width:100%;text-align:left;margin:12px 0;padding:14px}#download-images [data-export] span{display:block;font-size:12px;font-weight:400;margin-top:6px}#download-images button:disabled{opacity:.5;cursor:wait}.mobile-tools [data-action=share] p{line-height:22px;height:22px}
.design-preview-pinned{position:fixed!important;z-index:20;background:white;margin:0!important;padding:10px;border:1px solid #ddd;border-radius:10px;box-shadow:0 4px 16px #0001;box-sizing:border-box;max-height:var(--preview-height);overflow:auto}
.design-preview-pinned .view3d-stage{height:clamp(160px,calc(var(--preview-height) - 230px),650px)!important;min-height:0!important}
.design-preview-pinned .view3d-canvas{height:100%!important;min-height:0!important}
.design-preview-pinned .view3d-note{font-size:11px;margin:8px 0 0}
.design-preview-quick{position:fixed;bottom:max(16px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:40;border:0;border-radius:24px;background:#dd6f46;color:white;padding:13px 24px;min-height:48px;font:600 15px Montserrat,Arial,sans-serif;box-shadow:0 3px 16px #0003;cursor:pointer}
.design-preview-quick[hidden]{display:none}@media print{.design-preview-quick{display:none!important}.design-preview-pinned{position:static!important}}

.design-view-2d{float:right;position:relative;z-index:1;font:600 14px Montserrat,Arial,sans-serif;padding:10px 12px;min-height:44px;border:1px solid #bbb;background:white;border-radius:8px;cursor:pointer}.design-drawings-dialog{position:fixed;inset:0;margin:auto;width:1000px;max-width:94vw;max-height:90dvh;overflow:auto;border:0;border-radius:12px;padding:20px;background:white}.design-drawings-dialog::backdrop{background:#0007}.design-drawings-dialog>button{position:sticky;top:0;z-index:1;padding:12px;background:white;border:1px solid #bbb;border-radius:8px;font:600 14px Montserrat,Arial,sans-serif;cursor:pointer}.design-drawings-dialog .cs-result canvas{max-width:100%;height:auto}.design-drawings-dialog #legacy-drawings>summary{display:none}
#open-frame-confirm{width:min(520px,calc(100vw - 32px));border:0;border-radius:14px;padding:28px;color:#292929;box-shadow:0 24px 65px #0003;font:15px/1.5 Montserrat,Arial,sans-serif}#open-frame-confirm::backdrop{background:#1414148c}#open-frame-confirm h2{font-size:22px;line-height:1.25;margin:0 0 12px}#open-frame-confirm p{margin:0 0 20px}#open-frame-confirm .field{display:grid;gap:8px}#open-frame-confirm select{width:100%;max-width:none;min-height:44px}.frame-confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;flex-wrap:wrap}.frame-confirm-actions button{min-height:44px;border:1px solid #bbb;border-radius:8px;background:white;padding:10px 16px;cursor:pointer;font:600 14px Montserrat,Arial,sans-serif}#open-frame-apply{background:#df7046;border-color:#df7046;color:white}

.view3d-layer{font:13px Montserrat,Arial,sans-serif;flex-basis:100%;padding:4px 0}.view3d-layer select{font:inherit;padding:7px;border:1px solid #bbb;border-radius:6px;background:white;max-width:100%}

.view3d-layers{position:relative;font-size:14px;z-index:12}.view3d-layers>summary{cursor:pointer;padding:10px 16px;border:1px solid #ccc;border-radius:5px;background:white;font-weight:600}.view3d-layer-menu{position:absolute;top:100%;left:0;margin-top:6px;padding:12px;width:245px;max-width:80vw;background:white;border:1px solid #ddd;border-radius:8px;box-shadow:0 6px 20px #0002;display:grid;gap:5px}.view3d-layer-menu label{display:flex;align-items:center;gap:8px;min-height:34px;cursor:pointer}.view3d-layer-menu input{width:18px;height:18px;accent-color:#df6c40}.view3d-layer-presets{display:flex;gap:6px;margin-bottom:6px}.view3d-layer-presets button{font-size:12px!important;padding:7px!important}

@media(min-width:768px) and (max-width:1100px){}

/* Keep mobile controls inside their panel, including reversed checkbox rows. */
@media(max-width:767px){
 #workflow-sizes .cs-top{box-sizing:border-box;width:100%;padding:0 18px 12px!important}
 #workflow-sizes .cs-variables{width:100%;min-width:0;margin:0}
 #workflow-sizes .cs-fld{width:100%;min-width:0;box-sizing:border-box}
 #workflow-sizes .block-left-text{min-width:0;flex:1;padding-right:10px;overflow-wrap:anywhere}
 #workflow-sizes .block-right-input{flex:0 0 80px;max-width:80px}
 #workflow-sizes .block-right-input input:not([type=checkbox]){box-sizing:border-box;width:100%;max-width:100%}
 #workflow-sizes .row-reverse .block-right-input{flex:0 0 30px;max-width:30px}
 #workflow-sizes .row-reverse .block-left-text{padding-right:0}
 .workflow-toolbar nav{min-width:0;gap:4px}
 .workflow-toolbar nav button{min-width:0;color:#252525}
 .workflow-toolbar nav button.active{color:#fff}
}

@media(max-width:767px){.workflow-toolbar nav{display:grid;grid-template-columns:34px 34px 1fr 1.3fr 1fr;gap:4px}.workflow-toolbar nav button{font-size:12px;padding:7px 3px;white-space:nowrap}}



/* The same expand/collapse sign for workflow, settings, drawings and layers. */
#toggle-3d::before{content:none!important}
#toggle-3d,#legacy-drawings>summary,.view3d-layers>summary{position:relative;padding-right:38px;list-style:none}
#legacy-drawings>summary::-webkit-details-marker,.view3d-layers>summary::-webkit-details-marker,#step4 summary::-webkit-details-marker{display:none}
#toggle-3d::after,#legacy-drawings>summary::after,.view3d-layers>summary::after,.workflow-panel>summary::after,#step4 summary::after{content:'+';font:700 22px/1 Montserrat,Arial,sans-serif;color:#b74c28;position:absolute;right:12px;top:50%;transform:translateY(-50%)}
#toggle-3d[aria-expanded="true"]::after,#legacy-drawings[open]>summary::after,.view3d-layers[open]>summary::after,.workflow-panel[open]>summary::after,#step4 details[open]>summary::after{content:'−'}
.view3d-retry{font:600 15px Montserrat,Arial,sans-serif;padding:12px 18px;border:1px solid #bbb;border-radius:5px;background:white;cursor:pointer}

/* Keep drawing toggles beside their headings. */
#toggle-3d,#legacy-drawings>summary{padding-left:28px;padding-right:0}
#toggle-3d::after,#legacy-drawings>summary::after{left:0;right:auto;width:20px;text-align:center}

/* Detail drawings keep enough width for their dimensions. */
@media(max-width:1199px){#legacy-drawings .cs-result-item{width:100%!important;max-width:none!important;flex:0 0 100%!important}}

@media(max-width:1199px){#legacy-drawings .cs-result-item{margin-left:0!important;margin-right:0!important}}