/* Mobile UX R1: one task workspace, cool architectural tokens, precise diagrams and contextual panels. */
@media screen{
:root{--bg:#f6f9ff;--surface:#fff;--ink:#15263e;--ink-2:#344961;--muted:#596e85;--teal:#246bfd;--teal-ink:#154fc2;--teal-soft:#eaf2ff;--teal-softer:#f3f7ff;--line:#dce5f1;--line-2:#c6d4e6;--r:18px;--r-lg:24px;--ux-head-height:72px}
.site-head{background:#ffffffef}.btn-primary{background:#183c73}.btn-primary:hover{background:#1556b6}.btn[aria-pressed=true].btn-primary{background:#246bfd}
.brand-mark rect{fill:#173d70}.card{box-shadow:none;background:#fff}.page-title{font-size:30px}.page-lead{max-width:48em}
.ux-snapshot{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#edf4ff;border:1px solid #cfdef5;border-radius:18px;padding:14px 18px;margin:0 0 22px}
.ux-current{display:flex;align-items:center;gap:12px;min-width:0}.ux-current>.ic{width:28px;height:28px;color:#246bfd}.ux-current>div{display:grid;gap:3px;min-width:0}
.ux-current strong{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}.ux-current span{font-size:13px;color:#496485}.ux-live-result{display:grid;text-align:right;gap:3px;max-width:52%;min-width:0}.ux-live-result strong{font-size:22px;line-height:1.3;overflow-wrap:anywhere}.ux-live-result span{font-size:12px;color:#496485;overflow-wrap:anywhere}
.ux-surfaces{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:12px 0}.ux-surface{width:46px;height:44px;border:1px solid #cad7e9;border-radius:12px;background:#fff;font-size:15px;font-weight:750;color:#324f75;cursor:pointer}.ux-surface[aria-pressed=true]{color:#fff;background:#246bfd;border-color:#246bfd}.ux-surface-floor{font-size:14px;color:#246bfd;font-weight:650}
.room-svg .wall-face.is-on,.room-svg .wall.is-on .wall-face{fill:#dceaff}.room-svg .floor.is-on{fill:#e8effa}.room-svg .opening{fill:#fff}.canvas-card{padding:22px}.canvas-card .mini-actions{gap:6px}.canvas-card .btn-chip{min-height:40px;font-size:13px;padding:8px 12px}
.ux-panel{background:#fff;border:1px solid #dce5f1;border-radius:16px;margin:14px 0;min-width:0;overflow:clip}.ux-panel>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:14px 18px;color:#274c80;font-weight:650;font-size:14px;cursor:pointer}.ux-panel>summary:after{content:'+';font-size:22px;line-height:1;color:#246bfd}.ux-panel[open]>summary:after{content:'−'}.ux-panel>summary::-webkit-details-marker{display:none}.ux-panel>.card{border:0;box-shadow:none;margin:0;border-radius:0;padding:18px}
.ux-panel>.hint,.ux-panel>.number-rule{margin:0;padding:0 18px 18px}.ux-panel>summary:focus-visible{outline-offset:-4px}.ux-name{border:0;border-radius:0;margin:8px 0}.ux-name>summary{padding:8px 0;min-height:40px;font-size:13px}.ux-name>.field{margin:0;padding-bottom:12px}.ux-size{order:0}.ux-openings>.card>h2,.ux-label-panel .label-card>h2{font-size:18px;margin-bottom:14px}.ux-help{border:0;background:#f4f7fc;margin:8px 0}.ux-help>summary{font-size:12px;padding:8px 12px;min-height:40px}.ux-help>.hint{padding:8px 12px 12px}
.product-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:start}.ux-essential-form{grid-column:auto}.ux-label-panel{grid-column:auto;margin:0}.ux-label-panel[open]{background:#f7faff}.ux-label-panel[open]>.label-card{background:transparent}
.ux-allowance-panel>.allowance{padding:16px 20px}.ux-rail-wrap{position:relative;min-width:0;max-width:100%}.ux-rail{display:flex!important;gap:16px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain;touch-action:pan-x pan-y pinch-zoom;scroll-padding-inline:0;max-width:100%;padding:4px 22px 8px 4px}.ux-rail::-webkit-scrollbar{display:none}.ux-slide{flex:0 0 min(460px,calc(50% - 16px));scroll-snap-align:start;scroll-snap-stop:normal;min-width:0}.ux-rail:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:16px}.ux-rail-position{display:flex;justify-content:center;align-items:center;gap:2px;height:44px;margin:2px 0 4px}.ux-position-dot{width:44px;height:44px;border:0;background:transparent;border-radius:50%;display:grid;place-items:center;cursor:pointer;padding:0}.ux-position-dot:before{content:'';width:6px;height:6px;border-radius:50%;background:#bacbe0;transition:width .15s,background .15s}.ux-position-dot[aria-current=true]:before{width:18px;border-radius:99px;background:#246bfd}.ux-rail-count{font-size:11px;letter-spacing:.02em;color:#657c96;padding-left:8px}.ux-drag-surface{cursor:grab;user-select:none;touch-action:pan-x pan-y pinch-zoom}.is-dragging .ux-drag-surface{cursor:grabbing}.ux-pack-map{margin:14px 0;background:linear-gradient(135deg,#edf4ff,#f5f8fe);border-radius:16px;padding:8px 12px;text-align:center;min-width:0}.ux-pack-map svg{display:block;width:100%;height:116px}.ux-pack-map figcaption{font-size:13px;line-height:1.5;color:#47668a;overflow-wrap:anywhere}.ux-pack-fill{fill:#bad3ff;stroke:#407ac9;stroke-width:2;stroke-linejoin:round}.ux-pack-lid{fill:#edf5ff;stroke:#407ac9;stroke-width:2}.ux-pack-line{fill:none;stroke:#407ac9;stroke-width:2;stroke-linecap:round}.ux-pack-letter{font-family:var(--font);font-weight:750;font-size:30px;fill:#173e79}.ux-mix-handle{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background:#eef4ff;border-radius:10px;color:#42699c;font-size:12px;margin-bottom:14px}.ux-mix-handle .ic{color:#246bfd}
.buy-lab{background:#f0f5ff;border-color:#d2e1fa}.lab-option{border-color:#d5e0ef}.need-meter{background:#d8e6fb}.need-meter-fill{background:#246bfd}.decision-studio{background:#f2f6fc;border-color:#d5e0ef}.ux-home-guide>.decision-studio{border:0;margin:0;border-radius:0;padding:24px}.hero-img{border-radius:24px}.eyebrow-hero{background:#edf3ff;border-color:#d4e2f7}.pick-card{background:#fff}.pick-ic{background:#eaf2ff;color:#246bfd}.ux-open-plan{border:0;margin:16px 0 0;padding:0;display:flex;gap:8px;flex-wrap:wrap}.ux-open-plan .btn{font-size:14px;min-height:44px}.notebook-card:before{background:#88b6ff}.notebook-art{border-color:#246bfd;box-shadow:15px 15px 0 #d8e7ff}.notebook-dot{background:#c5dcff}.paint-pack.large{background:linear-gradient(100deg,#245cbd,#477bd4,#194890)}.paint-pack.large:before{background:#6396e6;border-color:#285cad}.paint-pack.small{background:linear-gradient(100deg,#afcbf7,#d8e7ff,#9cbff3)}.paint-pack.small:before{background:#e8f1ff;border-color:#98b9e8}
@media(max-width:900px){
 .ux-snapshot{position:sticky;top:var(--ux-head-height);z-index:20;margin:8px 0 16px;padding:10px 12px;border-radius:14px;background:#edf4fff5;backdrop-filter:blur(8px);gap:10px}.ux-current{gap:8px}.ux-current>.ic{width:22px;height:22px}.ux-current strong{font-size:13px;max-width:145px}.ux-current span{font-size:12px}.ux-live-result strong{font-size:18px}.ux-live-result span{font-size:11px;line-height:1.4}
 .plan-head{padding-bottom:0}.plan-row{gap:10px}.page-title{font-size:26px;line-height:1.3}.page-lead{font-size:14px;line-height:1.5}.plan-head .eyebrow{font-size:11px}.room-tabs{margin-top:14px}
 .canvas-card{padding:16px}.canvas-card .card-head{gap:8px}.canvas-card .card-head h2{font-size:16px}.room-svg{min-height:0!important;padding:4px!important}.room-svg svg.unfold{max-height:230px;width:100%}.empty-draw{padding:12px!important;min-height:130px!important}.empty-draw .placeholder{max-height:90px}.scope-sum{font-size:12px}.scope-line strong{font-size:18px}
 .ux-size{padding:16px}.ux-size>h2{font-size:17px}.ux-size>.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.ux-size .grid-3>.field{grid-column:auto!important}.ux-size .field-label{font-size:12px;line-height:1.5;min-height:36px;display:block}.ux-size .input-wrap input{font-size:17px;padding-left:10px;padding-right:28px;min-height:48px}.ux-size .unit{font-size:12px;right:8px}.ux-size>.hint{font-size:12px;margin-top:10px}.side-stack{gap:8px}.side-stack>.card-compact{padding:14px 16px}
 .product-grid{grid-template-columns:minmax(0,1fr);gap:16px}.ux-essential-form{padding:18px}.ux-label-panel{margin:0}.ux-label-panel:not([open]){background:#f1f6ff}.ux-essential-form .essentials{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.ux-essential-form .essentials .field-label{font-size:13px;line-height:1.5}.ux-essential-form .essentials input{font-size:19px}.ux-essential-form .number-rule{font-size:12px}.ux-essential-form .hint{font-size:12px}.ux-essential-form .card-head h2{font-size:18px}.ux-essential-form .opt-tabs{gap:6px}.ux-essential-form .opt-tab{min-height:44px;max-width:100%;font-size:13px}.ux-essential-form .pill{font-size:11px}
 .ux-rail{gap:12px;padding-right:24px}.ux-slide{flex-basis:calc(100% - 28px)}.ux-rail .opt-card{padding:18px}.ux-rail .opt-head{align-items:start}.ux-rail .opt-name h2{font-size:18px;line-height:1.5}.ux-rail .big-n{font-size:46px}.ux-rail .big-of{font-size:13px}.ux-rail .kv{font-size:14px}.ux-rail .opt-card .hint{font-size:12px}.cmp-more{border:1px solid #d5e2f4;border-radius:16px;background:#fff;padding:0 12px;margin-top:14px}.cmp-more>summary{min-height:48px;padding:12px 4px;color:#274c80;font-size:14px}
 .buy-lab{padding:20px 16px;margin:16px 0}.lab-heading h2{font-size:21px}.lab-heading .eyebrow{font-size:10px}.lab-heading .hint{font-size:13px}.lab-option h3{font-size:26px}.lab-options.ux-rail{grid-template-columns:none}.lab-options .lab-option{padding:18px}.lab-options .lab-option.is-selected{padding:17px}
 .demo-banner{font-size:12px;padding:10px 12px;margin-bottom:12px}.demo-banner .btn{font-size:12px;min-height:40px;padding:8px 10px}
}
@media(max-width:600px){
 body[data-route=home] #view{display:grid;grid-template-columns:minmax(0,1fr)}.hero{display:contents}.hero-copy{grid-row:1;padding:26px 0 18px}.hero-title{font-size:30px;line-height:1.23;letter-spacing:-.045em}.hero-lead{font-size:14px;line-height:1.7;margin-top:14px}.hero-facts{display:none}.hero-cta{gap:8px;margin-top:20px;display:grid;grid-template-columns:1fr 1fr}.hero-cta .btn{font-size:14px;padding:12px 10px;min-height:48px}.hero-copy>.btn-link{font-size:13px;margin-top:12px;justify-self:start}.hero-media{grid-row:3;margin:20px 0 0}.hero-img{height:210px;object-fit:cover;width:100%;border-radius:18px}.preview{position:relative;left:auto!important;bottom:auto!important;max-width:none;width:100%;margin:-38px 0 0;border-radius:16px;padding:16px}.preview-title{font-size:12px}.preview-note{font-size:12px}.preview-qty strong{font-size:30px}.img-note{font-size:11px;margin-top:10px}
 section[aria-labelledby=pick-title]{grid-row:2;margin:0;padding:18px 0;border-top:1px solid #dce5f1}.band-head h2{font-size:20px}.band-head p{font-size:13px;margin-top:8px}.pick-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:16px}.pick-card{padding:14px 10px;border-radius:16px;gap:8px;align-items:start}.pick-ic{width:38px;height:38px;border-radius:12px}.pick-ic .ic{width:23px;height:23px}.pick-name{font-size:15px}.pick-sub{font-size:11px;line-height:1.5}.pick-go{font-size:11px}.pick-go>.ic{width:14px;height:14px}.ux-open-plan{gap:2px;justify-content:space-between}.ux-open-plan .btn{font-size:12px;padding:8px 10px}.ux-home-guide{grid-row:4;margin:22px 0}.limits{grid-row:5;margin-top:12px;font-size:12px}
 .ux-essential-form .essentials .field-lg input{font-size:18px}.ux-essential-form .essentials .field-label{min-height:38px}.ux-current strong{max-width:118px}.ux-live-result{max-width:54%}.ux-live-result strong{font-size:16px}.ux-live-result span{max-width:180px}.ux-snapshot{gap:8px}.notebook-card{border-radius:18px}.notebook-meta{gap:8px}.notebook-meta>div{padding-top:10px}.notebook-search input{border-radius:12px}
}
@media(prefers-reduced-motion:reduce){.ux-position-dot:before{transition:none}.ux-rail{scroll-behavior:auto}}
}
@media print{.ux-snapshot,.ux-surfaces,.ux-rail-position,.ux-pack-map,.ux-mix-handle{display:none!important}.ux-panel{border:0}.ux-panel>summary{display:none!important}}
@media screen and (max-width:600px){.pick-card{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.pick-card>span{max-width:100%}.pick-name{white-space:normal;line-height:1.4}.pick-sub{width:100%;font-size:12px;min-height:54px;overflow-wrap:anywhere}.pick-go{margin-top:auto}.pick-ic{flex:none}}

@media screen{.room-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-areas:'canvas size' 'canvas side';align-items:start}.room-grid>.canvas-card{grid-area:canvas}.room-grid>.ux-size{grid-area:size}.room-grid>.side-stack{grid-area:side}.ux-live-result .link{font-size:12px}.room-grid .canvas-card .ux-help{margin-bottom:8px}}
@media screen and (max-width:900px){.room-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:'size' 'canvas' 'side';gap:14px}.room-grid>.ux-size{padding:16px}.ux-size .field-label{min-height:30px}.ux-snapshot .ux-current{flex:1}.ux-current span{white-space:normal}.ux-live-result{max-width:53%}.ux-live-result strong{font-size:15px}.ux-live-result span{font-size:11px}.room-grid .ux-size>.hint{margin-bottom:0}}

@media screen{.ux-rail-position[hidden]{display:none}}

@media screen and (max-width:600px){.ux-essential-form .card-head{display:block}.ux-essential-form .opt-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;margin-top:12px;gap:8px}.ux-essential-form .opt-tab{display:grid;grid-template-columns:30px minmax(0,1fr);grid-template-rows:auto auto;gap:0 6px;width:100%;padding:6px;border-radius:14px;text-align:left}.ux-essential-form .opt-tab>.opt-letter{grid-row:1/3;width:30px;height:30px;font-size:14px}.ux-essential-form .opt-tab>span:nth-child(2){display:block;max-width:100%;font-size:12px;line-height:1.5}.ux-essential-form .opt-tab>.pill{justify-self:start;max-width:100%;font-size:10px;line-height:1.5;padding:1px 6px}}

@media screen{.compare{grid-template-columns:minmax(0,1fr)}.compare>*{min-width:0}.cmp-sum{table-layout:fixed}.cmp-sum thead th:first-child{width:22%}.cmp-sum th,.cmp-sum td{overflow-wrap:anywhere}.sum-hd{flex-wrap:wrap;gap:4px}.sum-hd .sum-size{max-width:100%;overflow-wrap:anywhere}}