:root{--ink:#343b42;--muted:#78818a;--line:#e3e6e8}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;max-width:1600px;margin:auto;box-shadow:0 0 0 1px var(--line)}
html{background:#eef0f1}header{height:74px;padding:14px 28px;grid-template-columns:135px 1fr auto}.wordmark{width:116px}.state{font-size:12px}.header-actions{gap:10px}.help{font-size:10px}.reload-button{font-size:11px;padding:8px 14px}
.sample-ribbon{display:flex;justify-content:space-between;gap:12px;padding:10px 28px;background:#edf1f3;border-bottom:1px solid #dce2e6;color:#697985;font-size:10px;letter-spacing:1.5px;flex:none}.sample-ribbon i{font-style:normal;color:#a8b0b7;margin:0 7px}#saveStatus{letter-spacing:0;font-size:11px;color:#6e7b85}
.workspace-bar{padding:12px 28px;gap:12px;font-size:12px}.workspace-bar input{height:36px;background:#fff}.workspace-bar button{padding:9px 14px;font-size:11px}
nav{padding:0 23px}nav button{height:52px;font-size:11px;letter-spacing:1.5px}.workspace{grid-template-columns:342px minmax(0,1fr)}main{padding:25px 25px 20px}aside{padding:25px 32px 12px;background:#f7f8f9;background-image:radial-gradient(#c7ced340 .7px,transparent .7px);background-size:16px 16px}
h1{font-size:23px;font-weight:500;letter-spacing:-.7px}.intro{font-size:12px}.eyebrow{font-size:10px;margin-bottom:18px}.field{font-size:12px;grid-template-columns:1fr 140px;margin:16px 0}.field input,.field select,.two-fields input{height:36px;font-size:12px;background:#fff}.two-fields label{font-size:11px}.wide{min-height:39px;font-size:12px}.hint{font-size:11px}.surface-card{padding:13px 10px;margin:16px 0}.surface-card svg{display:none}.surface-card strong{font-size:12px}.surface-card span{font-size:11px}.note-box{font-size:12px;margin-top:19px}.note-box p{font-size:11px}.plan-heading{font-size:10px}.plan-heading span:last-child{font-size:11px}.legend{font-size:10px;gap:24px}.legend i{width:9px;height:9px}.plan-note{font-size:11px}.canvas-wrap{min-height:180px}.pattern-grid{gap:12px}.pattern-grid button{padding:18px 6px 15px}.pattern-grid span{font-size:12px}.alignment button{font-size:11px;padding:10px 5px}.report{font-size:12px;gap:14px 6px}.metrics strong{font-size:32px}.metrics span{font-size:11px}.subhead{font-size:12px}.check{font-size:12px}.cut-review{padding:10px 28px}.cut-review .check{font-size:12px}#message{padding:10px 28px;font-size:12px}footer{padding:12px 28px 18px;grid-template-columns:72px 72px 1fr 130px 150px;gap:10px}footer button{height:42px;font-size:12px}button,input,select{transition:background-color .14s,border-color .14s}input:focus,select:focus{outline:2px solid #98abb8;outline-offset:2px}.diagnostic-card{box-shadow:0 12px 70px #25384418}.diagnostic-card button{font-size:12px}
@media(min-width:1100px){.workspace{grid-template-columns:370px minmax(0,1fr)}main{padding:28px 30px}.canvas-wrap{margin:20px 0 5px}}
@media(max-width:800px){header{padding:12px 16px;grid-template-columns:98px 1fr auto;height:62px}.wordmark{width:90px}.state{font-size:10px}.sample-ribbon{padding:8px 16px;font-size:9px}.workspace-bar{padding:9px 16px;gap:6px}.workspace-bar label{display:none}.workspace-bar button{padding:8px;font-size:10px}.workspace{grid-template-columns:280px minmax(0,1fr)}main{padding:20px 16px}aside{padding:20px 14px}.cut-review,#message{padding-left:16px;padding-right:16px}footer{padding-left:16px;padding-right:16px;grid-template-columns:58px 58px 1fr 90px 110px}.field{grid-template-columns:1fr 124px}.legend{gap:10px}}
@media(max-width:600px){html,body{height:auto;min-height:100%;overflow:auto}.state{display:none}header{grid-template-columns:1fr auto}.sample-ribbon{flex-direction:column;gap:4px}.workspace-bar{flex-wrap:wrap}.workspace-bar input{flex-basis:100%}nav{position:sticky;top:0;z-index:2;background:white;padding:0 8px}nav button{font-size:9px;letter-spacing:.6px;height:44px}.workspace{display:flex;flex-direction:column}main{order:1;border-right:0;border-top:1px solid var(--line);overflow:visible}aside{height:390px;min-height:390px;flex:none}.canvas-wrap{min-height:230px}.cut-review{gap:6px;flex-wrap:wrap}.cut-review span{font-size:10px}footer{position:sticky;bottom:0;background:white;z-index:3;grid-template-columns:44px 44px 1fr 82px 105px;padding:10px;gap:6px}footer button{font-size:11px}.diagnostics{padding:12px}.diagnostic-card{padding:16px}.diagnostic-actions{flex-wrap:wrap}h1{font-size:22px}}
.custom-entry{display:grid;gap:8px;margin:16px 0 20px}.custom-entry .primary{min-height:42px}.directions{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:8px 0}.directions button{font-size:10px;padding:8px 2px;background:#f5f7f8;border:1px solid #d9dfe3}.directions button.active{background:#dde6ec;border-color:#8d9fac}.drawing-options{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:12px 0;font-size:11px}.drawing-options select{padding:5px;border:1px solid #d9dfe3;border-radius:4px;background:white}.wall-list{max-height:135px;overflow:auto;padding-left:22px;margin:10px 0;font-size:11px;font-variant-numeric:tabular-nums;color:#677682}.wall-list li{padding:4px 0}.wall-list li span{float:right;padding-right:5px}#roomCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:3;cursor:crosshair;background:#f7f9fa;touch-action:none}#roomToolbar{position:static;transform:none;display:flex;justify-content:center;flex-wrap:wrap;flex:none;gap:8px;margin-top:10px;padding:10px;background:#fff;border:0;border-top:1px solid #d5d9dc;border-radius:0;box-shadow:none}#roomToolbar button{font-size:11px;padding:8px 13px}#drawingControls .hint{margin-top:10px}#drawingSummary{color:#3e596e;font-weight:500}body.drawing-room .plan-heading{color:#365c78}body.drawing-room #plan{visibility:hidden}body.drawing-room #emptyPlan{display:none!important}
@media(max-width:600px){#roomToolbar{gap:4px;padding:6px}#roomToolbar button{padding:8px 10px;font-size:10px}}

/* Identity baseline 1.4.0. Functional preview/review colors are retained. */
:root{--ink:#292E32;--muted:#62696F;--line:#D5D9DC;--surface:#F6F7F7}
html{background:var(--surface)}body{color:var(--ink)}header{grid-template-columns:132px 1fr auto;padding:12px 28px}.brand{display:flex;align-items:center}.wordmark{height:auto;display:block}.state{letter-spacing:1.4px;color:var(--ink)}.product-context{color:var(--muted);letter-spacing:0}
button{min-height:32px}.sample-ribbon{background:var(--surface);color:var(--muted);border-color:var(--line)}#saveStatus{color:var(--muted)}.workspace-bar{gap:12px}.primary{background:var(--ink);border-color:var(--ink)}.secondary{background:var(--surface);border-color:var(--line)}aside{background-color:var(--surface)}.field{gap:12px}#sheetProject::placeholder{font-size:10px}#sheetMono{accent-color:var(--ink)}
.sheet-card{max-width:1450px;height:100%;display:flex;flex-direction:column;overflow:hidden}.sheet-card>.subhead{flex:none}.sheet-pages{overflow:auto;flex:1;min-height:0;background:#e8ebed;padding:16px}.sheet-pages figure{margin:0 0 24px;min-width:500px}.sheet-pages figure>svg{display:block;width:100%;height:auto;box-shadow:0 1px 5px #0002}.sheet-pages figcaption{padding:8px 0;font-size:12px}.sheet-pages.zoomed figure{width:200%;min-width:1200px}.sheet-card .diagnostic-actions{flex:none;margin:0 0 12px}.sheet-dialog{background:#292e32aa}
@media(max-width:800px){header{grid-template-columns:104px 1fr auto;padding:12px 16px}.wordmark{width:92px}.product-context{display:none}}
@media(max-width:600px){header{grid-template-columns:90px 1fr auto}.state{display:block;font-size:10px}.sheet-dialog{padding:8px}.sheet-card{padding:12px}.sheet-pages{padding:8px}}

/* Dense tile layouts remain legible at room scale; controls do not alter geometry. */
.preview-tools{display:flex;align-items:center;gap:7px;margin-top:10px;flex:none}
.preview-tools span{flex:1;min-width:0;color:var(--muted);font-size:10px;line-height:1.4}
.preview-tools button{min-width:36px;padding:5px 10px;font-size:12px}
body.drawing-room .preview-tools{display:none}

.legend{flex-wrap:wrap}.legend i.sheet{background:transparent;border:1px dashed #78858f;border-radius:0;width:14px}
#sheetRepeatControls details,#pieceQuantities{margin:12px 0;font-size:11px;color:var(--muted)}
#sheetRepeatControls summary,#pieceQuantities summary{cursor:pointer;padding:6px 0}

.mosaic-sample{display:flex;align-items:center;gap:12px;flex:none;margin-top:10px;padding:9px;border:1px solid #e0e4e7;border-radius:10px;background:#fff}
.mosaic-sample canvas{width:164px;height:94px;flex:none;border-radius:5px}.mosaic-sample strong{font-size:11px;font-weight:500}.mosaic-sample p{font-size:10px;line-height:1.5;color:var(--muted);margin:4px 0}
.preview-tools select{max-width:110px;border:1px solid #d5d9dc;background:white;border-radius:6px;color:var(--muted);padding:7px;font-size:10px}
body.drawing-room .mosaic-sample{display:none}
@media(max-width:600px){aside:has(.mosaic-sample:not([hidden])){height:510px;min-height:510px}.mosaic-sample{gap:8px}.mosaic-sample canvas{width:140px;height:80px}.preview-tools{flex-wrap:wrap}.preview-tools span{flex-basis:100%}}

@media(max-width:600px){body.drawing-room aside,body.tour-mode.drawing-room aside{height:460px;min-height:460px}#roomToolbar button{flex:1;min-height:40px}}