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.design-help{position:static;width:auto;max-width:none;margin:0;padding:12px;border-radius:4px}.design-help-title{display:none}.design-help-action{font-size:11px}.text-input,select,.measure-input input{font-size:16px}.segmented button,.num-stepper button{min-height:44px}.track-color-summary{margin-bottom:12px}.canvas-host{touch-action:none;top:56px;bottom:52px;height:auto}}@media (max-width: 600px){.row-pair{grid-template-columns:minmax(0,1fr)}.tpl-info{padding:10px}.tpl-info strong{font-size:15px}.tpl-info span{font-size:12px}.summary-facts{padding:12px}.summary-facts strong{font-size:13px}}@media (max-width: 980px) and (orientation: landscape) and (max-height: 600px){.app{grid-template-columns:minmax(0,1fr) minmax(300px,1fr);grid-template-rows:minmax(0,1fr)}.panel{border-top:0;border-left:1px solid var(--line)}.brand-bar{display:none}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:0s!important}}.summary-download .ghost-btn{width:100%;border:1px solid var(--line);background:var(--panel-2);color:var(--text)}.summary-download .ghost-btn:hover{background:#25262b}.desktop-recommendation{margin:18px 0 0;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);font-size:13px;color:var(--text-2);line-height:1.6}.mobile-advanced summary{min-height:44px;display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:600;font-size:14px}.mobile-advanced summary:after{content:"+";margin-left:auto}.mobile-advanced[open]>summary:after{content:"−"}.mobile-advanced{margin-top:12px;border-top:1px solid var(--line)}.mobile-advanced>div{padding-top:10px}@media (max-width: 980px){.app.app--mobile{height:var(--mobile-height, 100dvh);grid-template-columns:minmax(0,1fr);grid-template-rows:clamp(160px,24dvh,200px) minmax(0,1fr);min-height:0}.app--mobile.app--typing{grid-template-rows:52px minmax(0,1fr)}.app--mobile>.viewport{grid-row:1}.app--mobile>.panel{grid-row:2;border-left:0}.app--mobile .app-title{display:none}.app--mobile .brand-bar{display:flex;min-height:38px;padding:4px 16px}.app--mobile .brand-logo{height:22px;max-width:115px}.app--mobile .panel-body{padding:8px 16px 20px}.app--mobile .panel-footer{gap:8px;padding:8px 12px max(8px,env(safe-area-inset-bottom))}.app--mobile .panel-footer>.primary-btn{flex:1;padding:12px 10px;font-size:13px;white-space:normal}.app--mobile .panel-footer>.ghost-btn{width:auto;flex:0 1 auto;padding:10px 6px;font-size:12px}.mobile-progress{flex-shrink:0;padding:3px 16px 0}.mobile-progress>div:first-child{display:flex;gap:10px;align-items:baseline}.mobile-progress h2{margin:0;font-size:20px;letter-spacing:-.02em}.mobile-progress>div>span{color:var(--text-2);font-size:12px}.mobile-progress-stops{display:flex;gap:6px}.mobile-progress-stops button{display:flex;align-items:center;flex:1;padding:0;height:26px;border:0;background:transparent}.mobile-progress-stops button span{width:100%;height:3px;border-radius:2px;background:var(--line)}.mobile-progress-stops button.is-done span{background:var(--accent)}.mobile-progress-stops button[aria-current] span{height:5px}.app--mobile .design-history{margin-bottom:10px}.app--mobile .design-history small{font-size:10px}.mobile-preview-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 12px;height:44px;position:absolute;bottom:0;left:0;right:0;z-index:20;background:var(--panel-2)}.mobile-preview-bar>span{font-size:11px;color:var(--text-2);white-space:nowrap}.mobile-preview-bar button{border:0;padding:8px 0 8px 8px;min-height:44px;background:transparent;color:var(--text);font-size:12px;font-weight:600}.app--mobile .canvas-host{top:0;right:0;bottom:44px;left:0;height:auto}.app--mobile:not(.app--preview) .canvas-host{pointer-events:none}.mobile-preview-scroll{position:absolute;top:0;right:0;bottom:44px;left:0;z-index:15;touch-action:none}.app--typing:not(.app--preview) .canvas-host,.app--typing .mobile-preview-scroll{visibility:hidden}.app--mobile .viewport-stage{height:100%;min-height:0}.viewport.viewport--expanded{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100dvh;z-index:100;background:var(--bg)}.viewport--expanded .mobile-preview-bar{top:0;bottom:auto;padding-top:env(safe-area-inset-top);height:calc(48px + env(safe-area-inset-top))}.app--mobile .viewport--expanded .canvas-host{top:calc(154px + env(safe-area-inset-top));bottom:max(58px,env(safe-area-inset-bottom))}.viewport--expanded .mode-toggle{top:calc(52px + env(safe-area-inset-top))}.viewport--expanded .view-mode-toggle{left:8px;right:8px}.viewport--expanded .view-mode-toggle button{flex:1;min-width:0;padding:8px 6px;letter-spacing:0}.viewport--expanded .viewport-tools{top:calc(102px + env(safe-area-inset-top));left:8px;right:8px;gap:6px}.viewport--expanded .sled-visibility .toggle{min-height:44px;gap:6px;padding:4px 8px;font-size:11px;line-height:1.2}.viewport--expanded .view-controls,.viewport--expanded .area-chip{bottom:max(8px,env(safe-area-inset-bottom))}.viewport--expanded .stepper,.viewport--expanded>.design-help{display:none}.app--mobile .tpl-grid{grid-template-columns:minmax(0,1fr);gap:10px}.app--mobile .tpl-card{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:center;text-align:left;min-height:88px;border-radius:10px}.app--mobile .tpl-thumb{width:112px;height:84px;object-fit:cover}.app--mobile .tpl-info{padding:10px 12px;min-width:0}.app--mobile .tpl-info span{font-size:12px;line-height:1.4}.app--mobile .slider-heading{flex-wrap:wrap;gap:8px}.app--mobile .slider-heading .row-label{flex-basis:100%}.app--mobile .measure-input{width:100%;justify-content:space-between}.app--mobile .measure-input input{flex:1;min-width:0;width:70px}.app--mobile .measure-step{min-width:44px;min-height:44px}.app--mobile .slider-wrap,.app--mobile .slider-limits{display:none}.app--mobile .track-size-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:16px}.app--mobile .track-size-fields>.row{min-width:0;margin:0}.app--mobile .track-size-fields .slider-heading{gap:6px}.app--mobile .track-size-fields .row-label{font-size:13px}.app--mobile .track-size-fields .measure-input{gap:0;padding:0}.app--mobile .track-size-fields .measure-step{flex:0 0 44px}.app--mobile .track-size-fields .measure-input input{width:0;text-align:center}.app--mobile .track-size-fields .measure-input>span{display:none}.app--mobile .swatch{width:36px;height:36px}.app--mobile .swatches,.app--mobile .swatches-basic,.app--mobile .segmented{flex-wrap:wrap}.app--mobile .segmented button{min-width:36px}.app--mobile .track-color-summary{padding:10px 12px}.mobile-intro{margin:0 0 16px;color:var(--text-2);font-size:14px;line-height:1.6}.mobile-option{margin-bottom:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel-2);overflow:hidden}.mobile-option-heading{display:flex;justify-content:space-between;align-items:center;width:100%;min-height:76px;padding:16px;gap:14px;text-align:left;border:0;color:var(--text);background:transparent}.mobile-option-heading strong{display:block;font-size:16px}.mobile-option-heading small{display:block;color:var(--text-2);margin-top:5px;font-size:12px;line-height:1.4}.mobile-option-heading>span:last-child{font-size:22px}.mobile-option-body{border-top:1px solid var(--line);padding:12px}.mobile-option-body .section{margin-bottom:12px}.mobile-option-body .section-body{padding:12px}.app--mobile .mobile-advanced .row-pair{grid-template-columns:minmax(0,1fr)}.app--mobile .row-label{line-height:1.5}.app--mobile .text-input{scroll-margin:12px}.app--mobile .quote{scroll-margin-top:8px;border-color:var(--line)}.app--mobile .quote:not([open]),.app--mobile .quote>summary{display:none}.app--mobile .color-limit-notice{top:8px;left:8px;right:8px;width:auto;z-index:110}}@media (max-width: 980px) and (orientation: landscape) and (max-height: 600px){.app.app--mobile{grid-template-columns:minmax(180px,.8fr) minmax(320px,1.2fr);grid-template-rows:minmax(0,1fr)}.app--mobile>.viewport{grid-row:1;grid-column:1}.app--mobile>.panel{grid-row:1;grid-column:2;border-left:1px solid var(--line)}.app--mobile .brand-bar{display:none}.mobile-preview-bar{flex-wrap:wrap;height:72px;justify-content:center;gap:0}.app--mobile .canvas-host,.mobile-preview-scroll{bottom:72px}.viewport--expanded .mobile-preview-bar{flex-wrap:nowrap;justify-content:space-between}}