/* M3-inspired roles: brand accent, restrained primary actions and readable surfaces.
   This layer changes presentation only; packing and support rules are unchanged. */
:root {
    --ink:#203348; --muted:#5d6e7c; --teal:#006b69; --line:#dbe3eb; --paper:#f5f7fb;
    --primary:#263e61; --primary-hover:#172d4c; --primary-container:#eaf0f8;
    --surface:#fff; --shadow:0 6px 28px #1d335508; --focus:#ac6b00;
}
body{background:linear-gradient(160deg,#f4f8fa,#fafbfd 60%);color:var(--ink);font-size:16px;line-height:1.6}
body:has(dialog[open]){overflow:hidden}
button,input,select,textarea{font:inherit}button{transition:background .15s,border-color .15s,box-shadow .15s;cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
input,select,textarea{min-width:0;border-color:var(--line);border-radius:10px;color:var(--ink)}
input:not([type=checkbox]):not([type=range]),select{min-height:44px;font-size:15px}
[hidden]{display:none!important}h1,h2,h3{color:var(--ink)}h2{font-size:25px;letter-spacing:-.7px;line-height:1.3}h3{line-height:1.4}
.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.65px;color:var(--teal)}
.helper{font-size:14px;line-height:1.7;color:var(--muted)}.muted{color:var(--muted)}
.site-header{max-width:none;padding:18px 32px;background:#fff;border-bottom:1px solid var(--line);gap:24px;min-height:88px}
.brand{gap:22px;min-width:0}.brand img{width:174px;height:auto;display:block}.brand-product{font-size:11px;font-weight:700;letter-spacing:2px;border-left:1px solid var(--line);padding:10px 0 10px 22px;margin:0;max-width:130px;line-height:1.6}
.header-actions{display:flex;gap:12px;align-items:center}.header-button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 16px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--ink);font-size:14px;font-weight:600}.header-button:hover{background:var(--primary-container)}.header-button>span{border:1px solid #aebdc8;border-radius:50%;width:22px;height:22px}.workspace-button{border-color:var(--line)}.mode{background:#edf7f5;border:0;color:#426e66;font-size:12px;white-space:nowrap}.mode>span{background:#078477}
main{max-width:1940px;padding:32px 28px 24px}.intro{gap:32px;margin-bottom:28px;align-items:center}.intro .eyebrow{margin-bottom:10px}h1{font-size:clamp(34px,3vw,48px);font-weight:650;letter-spacing:-1.5px;line-height:1.15}h1 em{color:var(--teal)}.intro-copy{font-size:16px;margin-top:12px;line-height:1.6}
.planner-steps{list-style:none;display:flex;gap:24px;padding:0;margin:0;color:var(--muted);font-size:14px;white-space:nowrap}.planner-steps li{display:flex;align-items:center;gap:9px}.planner-steps span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1px solid #c8d7df;color:var(--teal);font-size:12px;font-weight:700;background:#fff}
.workspace{grid-template-columns:minmax(350px,390px) minmax(380px,1fr) minmax(280px,310px);gap:24px;align-items:start}
.inventory,.recommendation-panel{border:1px solid var(--line);background:var(--surface);border-radius:22px;box-shadow:var(--shadow);padding:22px;min-width:0}.inventory{position:static}.inventory>.eyebrow,.recommendation-panel>.eyebrow{margin-bottom:12px}.section-heading{gap:10px}.subtle-tag{background:#eef4f6;color:#536c77;font-size:12px;padding:6px 9px;white-space:nowrap}
.inventory-guide{margin:14px 0 0}.inventory-guide summary{font-size:13px;color:var(--muted);font-weight:500;cursor:pointer}.inventory-guide[open]{padding:12px;background:var(--paper);border-radius:12px}.inventory-guide .helper{font-size:13px;margin-bottom:0}
.inventory-nav{padding:5px;gap:4px;background:#edf1f5;margin:18px 0 16px;border-radius:14px}.inventory-nav button{font-size:14px;min-height:46px;padding:9px 5px;border-radius:10px;color:#546777;white-space:normal}.inventory-nav button[aria-pressed=true]{background:white;color:var(--primary);box-shadow:0 2px 7px #223d5b18}#your-items-count{font-size:12px;min-width:23px;height:23px;margin-left:3px;background:#dce5ed;color:var(--primary)}
.catalog-filters{grid-template-columns:1fr;gap:9px}.catalog-filters input{padding:12px;background:#f8fafc}.catalog-filters select{padding:10px}#filter-count{margin:9px 0;font-size:13px;color:var(--muted)}#filter-count:empty{display:none}
.preset-list{gap:11px;max-height:clamp(340px,48vh,560px);padding:3px;scrollbar-width:thin;overscroll-behavior:contain}.preset-card{padding:16px 13px;gap:13px;background:white;border-radius:14px;box-shadow:none;min-height:82px}.preset-card:hover{background:#f6f9fd;border-color:#9dafc5}.preset-card strong{font-size:19px;letter-spacing:-.3px}.preset-card small{font-size:14px;margin-top:4px}.preset-house{width:49px;height:49px;background:#eef3f9;color:#607da0;font-size:36px;border-radius:12px}.preset-arrow{font-size:23px;color:var(--primary)}.preset-intro{margin:0 0 16px}.preset-contents{max-height:340px}.preset-contents li{font-size:14px;padding:11px 1px}.preset-contents strong{font-variant-numeric:tabular-nums}#preset-title{font-size:26px;margin-top:18px}.preset-actions{gap:10px}.preset-actions button{font-size:15px;width:100%;justify-content:center}
.carton-grid{grid-template-columns:1fr;gap:10px;max-height:clamp(320px,48vh,550px);padding:3px 5px 3px 3px;overscroll-behavior:contain;scrollbar-width:thin}.carton-card{display:grid;grid-template-columns:70px minmax(0,1fr) 100px;grid-template-rows:auto auto auto;align-items:center;gap:5px 10px;padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:none}.carton-card[data-selected=true]{border-color:#8a9eb9;background:#fbfcfe}.carton-card .asset-thumbnail{grid-column:1;grid-row:1 / 4;width:70px;height:80px;border-radius:10px;margin:0;background:#f2f5f7;object-fit:contain}.carton-card .item-heading{grid-column:2 / 4;min-height:0;align-self:start}.item-heading h3{font-size:15px;line-height:1.45}.carton-card .dimensions{grid-column:2 / 4;grid-row:2;margin:2px 0;font-size:12px;line-height:1.5;white-space:normal}.carton-card .estimate-badge,.carton-card .source-link{grid-column:2;grid-row:3;font-size:12px;line-height:1.4;color:var(--muted)}.carton-card .quantity-control{grid-column:3;grid-row:3;margin:0;height:38px;border-color:#cbd8e4;border-radius:9px}.quantity-control button{min-width:31px;font-size:20px;height:37px;background:#eef3f9;color:var(--primary)}.quantity-control input{padding:2px;width:35px;font-size:14px!important;min-height:37px!important}.carton-card .packing-note{grid-column:1 / -1;margin:5px 0 0;padding-top:7px;border-top:1px solid #ecf0f4;font-size:13px;line-height:1.6}.packing-note summary{font-size:12px;color:var(--muted)}.carton-card .remove-item{grid-column:1 / -1;justify-self:end;padding:4px 8px;font-size:13px;color:#805443;min-height:32px}.custom-carton{margin:14px 0 0;padding-top:14px}.custom-carton summary,.more-examples summary{font-size:14px;color:var(--muted);font-weight:500;cursor:pointer}.custom-carton label{font-size:14px}.form-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin:16px 0}.form-footer p{margin:0;font-size:14px}.form-footer .muted{font-size:12px;display:block}.more-examples{margin-top:16px}.more-examples .text-button{font-size:14px;padding:8px}.inventory-empty{padding:30px 16px;font-size:15px}.change-confirm{font-size:14px}.inventory #request-status{font-size:14px;line-height:1.65;margin-bottom:0}#inventory-message{font-size:14px}#undo-inventory{font-size:14px}
.primary-button{display:flex;background:var(--primary);color:white;border:1px solid var(--primary);font-size:16px;font-weight:650;border-radius:12px;padding:14px 18px;min-height:50px;align-items:center;gap:12px}.primary-button:hover,#build-mode-toggle:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.primary-button:disabled{opacity:.55}
.secondary-button,.back-button,.reset-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid #c9d5e2;border-radius:10px;background:white;color:var(--primary);font-size:14px;font-weight:600;text-decoration:none}.secondary-button:hover,.back-button:hover,.reset-button:hover{background:var(--primary-container);border-color:#9bafc5}.preset-actions .secondary-button{background:#f4f7fb;color:var(--primary);border-color:var(--line);padding:12px}.back-button{margin-bottom:2px;background:#f3f6fb}.back-button span{font-size:21px;line-height:1}.reset-button{font-size:13px;padding:8px 11px}.reset-button .icon{width:18px;height:18px}
.text-button{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border-radius:8px;color:var(--primary);font-size:14px;text-decoration:none;line-height:1.5}.text-button:hover{background:var(--primary-container);text-decoration:none}a.source-link{text-decoration:underline;text-underline-offset:3px}.import-button{cursor:pointer}
.build-split{margin:14px 0 0}.build-split .primary-button{box-shadow:0 4px 12px #263e6118;border-radius:12px 0 0 12px}.build-split small{font-size:13px!important;font-weight:400}#build-mode-toggle{width:52px;background:var(--primary);border-radius:0 12px 12px 0;display:grid;place-items:center}#build-mode-toggle .icon{width:20px;height:20px}.build-mode-menu{border-color:var(--line);padding:7px;box-shadow:0 12px 35px #20334824}.build-mode-menu button{padding:14px 10px;color:var(--ink)}.build-mode-menu button:hover,.build-mode-menu button[aria-checked=true]{background:var(--primary-container)}.build-mode-menu strong{font-size:15px}.build-mode-menu small{font-size:13px;color:var(--muted)}
.planning-panel{background:transparent;border:0;padding:10px 0 0;box-shadow:none;border-radius:0;min-width:0}.viewer-heading{padding:0 8px;margin-bottom:17px;gap:12px}.viewer-heading .eyebrow{margin:0 0 10px}.viewer-heading h2{font-size:28px}.stage-actions{display:flex;align-items:center;gap:8px}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.icon-button{width:44px;height:44px;border:1px solid #d5e0ea;background:#fff;border-radius:12px;color:var(--primary);font-size:24px;display:inline-flex;align-items:center;justify-content:center;flex:none}.icon-button:hover{background:var(--primary-container);border-color:#a6b8cd}#plan-accounting{font-size:14px;font-weight:600;padding:10px 13px;background:#eaf3f1;margin:0 5px 10px;border-radius:10px}#room-plan-toolbar{padding:0 1px}.room-tabs{gap:7px;margin:0 5px 14px;max-height:100px}.room-tabs button{min-height:40px;padding:8px 12px;font-size:13px;border-color:#cfdae6;color:var(--primary)}.room-tabs button[aria-pressed=true]{background:var(--primary);border-color:var(--primary)}
.viewer-shell{position:relative;min-width:0}#viewer{height:clamp(460px,60vh,760px);background:#f2f7f6;border:1px solid #e0e7e9;border-radius:22px;box-shadow:inset 0 0 50px #e3efeb35}#viewer canvas:focus-visible{outline:3px solid var(--focus);outline-offset:-4px}
.build-progress{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:center;padding:24px 18px;border-radius:22px;background:linear-gradient(transparent 30%,#eaf0f8b3);z-index:2}.progress-card{display:flex;align-items:center;gap:16px;padding:20px;max-width:520px;width:100%;border:1px solid #fff;border-radius:18px;background:#fffffff5;box-shadow:0 12px 38px #263e611c}.progress-card>div{flex:1;min-width:0}.progress-card strong{font-size:17px;color:var(--ink)}.progress-card p{font-size:14px;line-height:1.5;margin:4px 0 0;color:var(--muted)}.progress-card button{padding:9px 12px}.build-spinner{width:36px;height:36px;flex:none;border:3px solid #dce5f0;border-top-color:var(--primary);border-right-color:#7f9cbe;border-radius:50%;animation:build-spin .85s linear infinite}@keyframes build-spin{to{transform:rotate(360deg)}}
.viewer-toolbar{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:14px 0 0}.viewer-toolbar .icon-button{width:42px;height:42px;border-radius:11px}.viewer-toolbar .secondary-button{min-height:42px;padding:8px 12px;font-size:14px}.toolbar-divider{height:24px;width:1px;background:var(--line);margin:0 3px}.orbit-hint{font-size:13px;color:var(--muted);margin-left:5px}#viewer-status{color:var(--muted);font-size:14px;line-height:1.65;text-align:center;padding:0 9px;margin:12px 0 0}.waiting-panel{padding:17px;margin:17px 0 0;border-radius:14px}.waiting-panel h3{font-size:17px}.waiting-panel p,.waiting-panel li{font-size:14px}.waiting-panel ul{max-height:200px}
.recommendation-panel{padding:22px 20px}.recommendation-panel h2{font-size:25px;line-height:1.35}.recommendation-panel #empty-state{border:0;padding:20px 0 10px;text-align:left}.empty-room-icon{width:88px;height:88px;display:grid;place-items:center;background:#edf3f9;border-radius:22px;margin:8px 0 24px;color:#54749b}.empty-room-icon svg{width:64px;height:64px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linejoin:round}.benefit-list{padding:0;list-style:none;margin:24px 0;font-size:15px;color:var(--muted)}.benefit-list li{margin:15px 0;padding-left:25px;position:relative}.benefit-list li:before{content:'✓';position:absolute;left:0;color:#128575;font-weight:700}.recommendation-panel #result{border:0;padding:0}.result-heading{display:block;margin:20px 0 16px;padding:20px 17px;border:1px solid #c5d5e7;background:linear-gradient(130deg,#edf3fb,#f9fbfd);border-radius:16px}.volume-result strong{font-size:50px;letter-spacing:-2px;color:var(--primary);font-weight:650}.volume-result .area-unit{display:inline;font-size:22px;margin-left:6px;color:#536f91}.volume-result>span{font-size:14px;margin-top:2px}.result-heading h3{font-size:15px;margin:18px 0 6px;color:#365974}.result-heading .helper{margin:0;font-size:14px}.plan-price{margin:0 0 22px;padding:0;background:none;font-size:14px;line-height:1.6;color:var(--muted)}.packing-title{font-size:16px;margin:0}.packing-profiles{display:grid;grid-template-columns:1fr;gap:10px;margin:12px 0}.packing-profiles button{position:relative;padding:14px 13px 14px 36px;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--ink)}.packing-profiles button:before{content:'';width:15px;height:15px;border:1px solid #a2b4c6;border-radius:50%;position:absolute;left:12px;top:18px}.packing-profiles button[aria-pressed=true]{padding:14px 13px 14px 36px;border:1px solid #6d89ad;background:#eef3fb;box-shadow:0 0 0 1px #6d89ad20}.packing-profiles button[aria-pressed=true]:before{background:var(--primary);box-shadow:inset 0 0 0 3px #fff;border-color:var(--primary)}.packing-profiles strong{font-size:16px;margin-bottom:5px}.packing-profiles span{font-size:14px;line-height:1.6}.packing-profiles small{font-size:12px;margin-top:5px;color:var(--muted)}#profile-comparison-note{font-size:13px;line-height:1.7;margin:14px 0 20px}#save-plan-cta{width:100%;font-size:16px;justify-content:center}.cta-note{font-size:13px;line-height:1.6;color:var(--muted);text-align:center;margin:10px 0 18px}.recommendation-panel #layout-status{font-size:13px;color:#496275;background:#f2f6fa;padding:12px;border-radius:10px}.recommendation-panel details{border-top:1px solid var(--line);padding-top:15px;margin:16px 0 0}.recommendation-panel summary{font-size:14px;color:var(--primary);cursor:pointer}.room-assignments{grid-template-columns:1fr;gap:10px;max-height:480px;margin:12px 0}.room-assignment{padding:13px;border-radius:10px}.room-assignment>button{font-size:15px;color:var(--primary);min-height:40px}.room-assignment ul{font-size:14px;line-height:1.8;max-height:220px}.room-assignment .helper{font-size:13px}.estimate-note{font-size:13px;padding:13px 13px 13px 27px}.connection-panel{margin-top:24px;padding-top:20px;gap:10px}.connection-panel h3{font-size:15px;line-height:1.5;margin-bottom:7px}.connection-panel p{font-size:13px;line-height:1.7}.connection-panel>span{font-size:24px;color:#678da1}
.loading-player{margin:14px 0 0;border-radius:16px;padding:18px;background:#f3f6fb;border-color:var(--line)}.loading-title h3{font-size:18px}.loading-title .eyebrow{font-size:11px}#loading-phase{font-size:14px;color:var(--muted)}.loading-buttons{gap:8px}.loading-buttons button{font-size:14px;padding:9px 12px;min-height:42px}#loading-play{background:var(--primary);border-color:var(--primary)}.loading-disclaimer{font-size:13px}.loading-progress{font-size:14px;margin:16px 0}.loading-progress input{accent-color:var(--primary)}.loading-options{font-size:14px}.loading-player .helper{font-size:14px}.loading-order,.loading-player summary{font-size:14px}.loading-order button{font-size:14px;color:var(--primary)}.loading-order small{font-size:13px}
.planner-dialog{width:min(660px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;border:1px solid var(--line);border-radius:26px;padding:28px;color:var(--ink);background:#fff;box-shadow:0 30px 100px #142e4d38;overscroll-behavior:contain}.planner-dialog::backdrop{background:#142e4d70}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.dialog-heading .eyebrow{margin-bottom:9px}.dialog-heading h2{font-size:28px}.dialog-heading .icon-button{font-size:27px;border-color:transparent;background:var(--primary-container);border-radius:50%}.planner-dialog .helper{font-size:14px}.dialog-footer{display:flex;gap:12px;justify-content:flex-end;border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.dialog-footer .primary-button{width:auto;min-width:170px;justify-content:center}.dialog-footer .secondary-button{font-size:15px;padding:12px 18px}#options-error{color:#9c392a;font-size:14px;line-height:1.6}#options-error:empty{display:none}.support-consent{padding:18px;background:#f3f6fa}.support-consent label{font-size:15px;line-height:1.6}.support-consent input{accent-color:var(--primary);width:18px;height:18px}.room-inventory-input{padding:20px;background:#f6f8fc;margin:22px 0;border-color:var(--line)}.room-inventory-input h3{font-size:19px}.room-inventory-input label{font-size:14px}.room-inventory-input select,.planner-dialog #room-size{font-size:15px;padding:12px}.planner-dialog>label{font-size:15px;font-weight:600}#room-list-json{font-size:13px;color:var(--ink);border-color:var(--line)}#room-list-preview,#room-list-status{font-size:14px}
.saved-workspace{display:grid;grid-template-columns:1fr auto;gap:14px;background:transparent;border:0;padding:0;margin:0;font-size:15px}.saved-workspace>div,.saved-workspace>label[for=workspace-name],.saved-workspace>#workspace-status{grid-column:1 / -1}.saved-workspace>div{margin-bottom:8px;line-height:1.7}#workspace-name{width:100%}.saved-workspace select{width:100%;max-width:100%}.saved-workspace .text-button{text-align:left}.saved-workspace .import-button{align-self:center}.import-button:focus-within{outline:3px solid var(--focus);outline-offset:3px}.help-steps{list-style:none;counter-reset:steps;padding:0;margin:24px 0}.help-steps li{counter-increment:steps;position:relative;padding-left:47px;margin:24px 0}.help-steps li:before{content:counter(steps);position:absolute;left:0;top:0;width:33px;height:33px;display:grid;place-items:center;color:var(--primary);border:1px solid #cad8e9;background:var(--primary-container);border-radius:50%;font-size:14px}.help-steps strong{font-size:17px}.help-steps p{font-size:15px;line-height:1.8;color:var(--muted);margin:8px 0}.dialog-note{font-size:14px;line-height:1.8;padding:17px;background:#f3f6fa;border-radius:12px;color:var(--muted)}.reset-dialog{width:min(520px,calc(100vw - 32px))}.reset-dialog>p{font-size:16px;line-height:1.7}
#scene-stage:fullscreen{background:var(--paper);padding:24px;overflow:auto;display:flex;flex-direction:column}#scene-stage:fullscreen .viewer-shell{flex:1;min-height:280px}#scene-stage:fullscreen #viewer{height:100%;min-height:280px}#scene-stage:fullscreen #loading-player{max-height:30vh;overflow:auto}#scene-stage:fullscreen .waiting-panel{max-height:20vh;overflow:auto}#scene-stage:fullscreen #open-stage-options{display:none}
footer{max-width:1884px;margin:8px 28px 0;padding:20px 0;font-size:13px;color:var(--muted)}
@media(min-width:1750px){.workspace{grid-template-columns:410px minmax(0,1fr) 330px;gap:28px}.inventory,.recommendation-panel{padding:24px}.carton-card{grid-template-columns:76px minmax(0,1fr) 104px}.carton-card .asset-thumbnail{width:76px;height:84px}}
@media(max-width:1350px){.workspace{grid-template-columns:360px minmax(0,1fr);gap:22px}.inventory{grid-row:1 / span 2}.recommendation-panel{grid-column:2}.recommendation-panel #result{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.recommendation-panel #result>h2,.recommendation-panel #result>.packing-title,.recommendation-panel #result>.packing-profiles,.recommendation-panel #result>#profile-comparison-note,.recommendation-panel #result>#layout-status,.recommendation-panel #result>details{grid-column:1 / -1}.recommendation-panel .packing-profiles{grid-template-columns:repeat(3,minmax(0,1fr))}.packing-profiles button,.packing-profiles button[aria-pressed=true]{padding:14px 12px}.packing-profiles button:before{display:none}.recommendation-panel #save-plan-cta,.recommendation-panel .cta-note,.plan-price{align-self:center}.planner-steps{gap:14px;white-space:normal;font-size:13px}.intro-copy{max-width:490px}.mode{display:none}#viewer{height:clamp(460px,58vh,670px)}}
@media(max-width:940px){main{padding:24px 18px}.site-header{padding:15px 20px}.brand img{width:156px}.brand-product{display:none}.intro{display:block;margin-bottom:24px}.intro-copy{max-width:none}.planner-steps{margin-top:20px;gap:24px}.workspace{grid-template-columns:1fr}.inventory{position:static;grid-row:auto}.recommendation-panel{grid-column:auto}.carton-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-height:400px}.preset-list{grid-template-columns:repeat(2,minmax(0,1fr));max-height:360px}.catalog-filters{grid-template-columns:1fr 180px}.inventory-nav{max-width:480px}.planning-panel{padding-top:6px}#viewer{height:540px}.recommendation-panel #empty-state{display:block}.empty-room-icon{float:right;margin:0 12px}.recommendation-panel .connection-panel{clear:both}footer{margin:0 18px}}
@media(max-width:600px){.site-header{padding:14px;gap:10px}.brand img{width:140px}.header-actions{gap:4px}.header-button{font-size:13px;padding:9px 11px}.header-button .icon{width:19px;height:19px}.header-button>span{display:none}#open-help{display:none}main{padding:22px 12px}.intro .eyebrow{font-size:10px;letter-spacing:1.3px}h1{font-size:36px}.intro-copy{font-size:15px}.planner-steps{gap:10px;justify-content:space-between}.planner-steps li{font-size:12px;gap:6px}.planner-steps span{width:28px;height:28px;font-size:11px;flex:none}.workspace{gap:22px}.inventory,.recommendation-panel{padding:19px;border-radius:20px}.carton-grid{grid-template-columns:1fr;max-height:390px}.preset-list{grid-template-columns:1fr;max-height:360px}.catalog-filters{grid-template-columns:1fr}.viewer-heading h2{font-size:25px}.viewer-heading{padding:0 5px}.viewer-heading .eyebrow{font-size:10px}.stage-actions .subtle-tag{display:none}#viewer{height:430px;border-radius:18px}.viewer-toolbar{gap:6px}.orbit-hint{width:100%;text-align:center}.recommendation-panel #result{display:block}.recommendation-panel .packing-profiles{grid-template-columns:1fr}.packing-profiles button,.packing-profiles button[aria-pressed=true]{padding-left:38px}.packing-profiles button:before{display:block}.empty-room-icon{width:74px;height:74px;float:none;margin-bottom:20px}.planner-dialog{padding:22px 18px;max-height:calc(100dvh - 24px);width:calc(100vw - 20px);border-radius:22px}.dialog-heading h2{font-size:25px}.dialog-footer{gap:8px}.dialog-footer .primary-button{min-width:0;flex:1;font-size:15px}.dialog-footer .secondary-button{padding:11px;font-size:14px}.saved-workspace{gap:10px}.room-inventory-input{padding:15px}.progress-card{gap:12px;padding:16px;flex-wrap:wrap}.progress-card strong{font-size:16px}.progress-card p{font-size:13px}.progress-card button{margin-left:48px}.build-progress{padding:16px}.loading-title h3{font-size:16px}#scene-stage:fullscreen{padding:12px}}
/* Keep labels readable in the narrow inventory rail, without squeezed link columns. */
.inventory-nav button[data-view=yours]{flex:1.35;white-space:nowrap}
.carton-card .estimate-badge,.carton-card .source-link{grid-column:1 / -1;grid-row:4;justify-self:start;margin-top:2px}
.carton-card .packing-note{grid-row:5}.carton-card .remove-item{grid-row:6}
.custom-carton>label{display:block;margin-top:16px;font-weight:600}.custom-carton>select{width:100%;margin-top:8px;padding:11px;font-size:14px}
@media(max-width:760px){.carton-grid{grid-template-columns:1fr}}
@media(max-width:600px){#open-help{display:flex;font-size:0;width:44px;padding:0}#open-help>span{display:grid;place-items:center;font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.build-spinner{border-top-color:var(--primary);border-bottom-color:var(--primary)}}
/* Asset cutouts and an isolated, on-demand product inspector. */
.carton-card{grid-template-columns:96px minmax(0,1fr) 100px}
.carton-card .asset-thumbnail{width:96px;height:104px;background:transparent;border-radius:0;object-fit:contain;filter:drop-shadow(0 3px 3px #243d581c)}
.product-name{appearance:none;display:block;width:100%;margin:0;padding:0;border:0;border-radius:4px;background:transparent;color:var(--ink);font:inherit;font-weight:700;line-height:1.4;text-align:left;cursor:pointer;box-shadow:none}
.product-name:hover{color:var(--primary);background:transparent;text-decoration:underline;text-underline-offset:3px}
.product-name:focus-visible{outline:3px solid #829bc0;outline-offset:4px}
.product-name:disabled{cursor:wait;opacity:1}
.product-view-hint{display:block;font-size:11px;font-weight:500;letter-spacing:.02em;color:#536e8c;margin-top:4px;text-decoration:none}
.product-dialog{width:min(880px,calc(100vw - 32px));padding:26px}
.product-dialog .dialog-heading{margin-bottom:14px}.product-dialog h2{font-size:26px;line-height:1.3}
.product-dimensions{font-size:15px;color:var(--muted);margin:8px 0 0;line-height:1.5}
.product-stage{position:relative;border:1px solid #e0e6ed;border-radius:18px;background:radial-gradient(ellipse at 50% 40%,#fff 5%,#e7edf3 100%);overflow:hidden;height:clamp(260px,46dvh,470px)}
#product-canvas{position:absolute;inset:0}#product-canvas canvas{display:block;width:100%;height:100%;touch-action:none}
#product-canvas canvas:focus-visible{outline:3px solid #829bc0;outline-offset:-4px}
#product-fallback{position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;pointer-events:none;z-index:1;filter:drop-shadow(0 5px 6px #243d5822)}
#product-status{font-size:14px;line-height:1.5;min-height:21px;color:var(--muted);margin:12px 0}
.product-tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}
.product-tools .icon-button{font-size:22px}.product-tools .secondary-button{padding:11px 15px;font-size:14px}
.product-tools [aria-pressed=true]{background:#e7edf5;border-color:#829bc0}
.product-tools button:disabled{opacity:.45;cursor:default}
.product-dialog .helper{text-align:center;margin:14px 0 0;line-height:1.6}
.product-disclaimer{border-top:1px solid var(--line);padding-top:14px;font-size:12px;line-height:1.6;color:var(--muted);margin:16px 0 0}
@media(max-width:600px){.product-dialog{padding:18px 14px}.product-dialog h2{font-size:22px}.product-stage{height:clamp(240px,40dvh,380px)}.product-dialog .dialog-heading{gap:8px}.product-dimensions{font-size:13px}}
@media(max-width:380px){.carton-card{grid-template-columns:78px minmax(0,1fr) 96px}.carton-card .asset-thumbnail{width:78px;height:92px}}