@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700&display=swap');
:root{--bg:#f3f4f1;--paper:#fff;--ink:#233c37;--muted:#75807a;--line:#e4e8e3;--green:#244d42;--gold:#a28348;--light:#edf3ee;--radius:12px;font-family:'Noto Sans TC',system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.38;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #c8aa69;outline-offset:3px}input:focus,select:focus,textarea:focus{outline:2px solid #668879;outline-offset:1px}input,select,textarea{color:var(--ink)}button{transition:background .15s,transform .15s}button:hover:not(:disabled){filter:brightness(.97)}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);padding:0 36px;display:flex;align-items:center;gap:65px}.brand{text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:10px;font-size:24px;letter-spacing:3px;font-weight:600}.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:1px}.brandmark{width:40px;height:44px;display:grid;place-items:center;font-size:50px;line-height:1;color:#9e834a;font-weight:400}.top-context{color:#758079;font-size:14px}.top-context span{margin:0 18px;color:#c1c7c1}.top-end{margin-left:auto;display:flex;align-items:center;gap:22px}.internal{border:1px solid var(--line);border-radius:30px;padding:6px 12px;font-size:12px;color:var(--muted)}.avatar{width:34px;height:34px;border-radius:50%;background:#edf2ef;display:grid;place-items:center}main{max-width:1700px;padding:30px 36px 0;margin:auto}.projectbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px;gap:15px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:600}.eyebrow span{margin-left:8px;color:#90988f}.design-name{border:0;background:transparent;font-size:29px;font-weight:600;letter-spacing:1.5px;width:100%;max-width:480px;margin:7px 0 8px;padding:0}.subtle{font-size:12px;color:var(--muted)}.project-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{background:white;border:1px solid #dbe1dc;border-radius:7px;padding:10px 15px;min-height:42px;font-weight:500;white-space:nowrap}.btn.primary{background:var(--green);color:white;border-color:var(--green)}.btn.primary span{margin-left:20px}.workspace{display:grid;grid-template-columns:276px minmax(380px,1fr) 320px;gap:20px;align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 17px}h2,h3,p{margin:0}h2{font-size:17px;font-weight:600}h3{font-size:14px;font-weight:500}.segmented{display:flex;background:#f3f5f2;border-radius:7px;padding:4px;gap:2px}.segmented button{flex:1;border:0;background:transparent;padding:8px 10px;border-radius:5px;white-space:nowrap;font-size:14px;color:#718076}.segmented button.active{background:#fff;color:var(--ink);box-shadow:0 1px 5px #16312813;font-weight:500}.materials>.segmented{margin:0 18px 16px}.search{display:flex;gap:9px;align-items:center;border:1px solid var(--line);margin:0 18px;border-radius:6px;padding:7px 10px;color:#879086}.search>span{font-size:23px;line-height:1}.search input{width:100%;border:0;outline:0;font-size:14px;background:transparent}.material-controls{display:flex;justify-content:space-between;align-items:center;padding:14px 18px}.material-controls select{width:89px;padding:5px 8px;min-height:30px}select,input[type=number],textarea{border:1px solid #dee4df;border-radius:6px;padding:9px;background:white;width:100%;min-height:39px}select{padding-right:20px}.catalog{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px 16px;max-height:506px;overflow:auto;scrollbar-width:thin;scrollbar-color:#d9e0d9 transparent}.material-card{text-align:left;border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px;position:relative;min-width:0}.material-card:hover{border-color:#83a393;background:#f8fbf7}.material-card svg{display:block;width:58px;height:58px;margin:0 auto 6px}.material-card strong{font-size:14px;font-weight:500;display:block}.material-card small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.material-card .plus{position:absolute;right:8px;top:6px;color:#84958b;font-size:16px}.catalog-foot{font-size:12px;color:#879087;line-height:1.7;margin:0 18px;padding:13px 0;border-top:1px solid var(--line)}.studio-toolbar{height:64px;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.studio-toolbar .segmented{width:222px}.iconbtn{background:transparent;border:1px solid var(--line);border-radius:6px;width:34px;height:34px;font-size:22px;display:grid;place-items:center}.canvas-wrap{position:relative;height:415px;background:radial-gradient(ellipse at center,#fff 0,#f4f6f2 74%);overflow:hidden}.canvas-label{position:absolute;top:22px;left:24px;font-size:10px;letter-spacing:1.5px;color:#78897f;pointer-events:none;z-index:2}.canvas-label span{display:block;letter-spacing:.4px;font-size:11px;margin-top:6px;color:#94a098}.canvas-bottom{position:absolute;bottom:13px;left:22px;right:22px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);z-index:2;gap:10px}#flatView,#threeView{height:100%;width:100%}#flatView svg{width:100%;height:100%}.bead{cursor:pointer;outline:none}.bead:focus-visible circle:last-child{stroke:#244d42;stroke-width:2}.bead:hover{filter:brightness(1.1)}.textbtn{border:0;background:transparent;padding:5px 6px;font-size:12px;color:#6b7c71;white-space:nowrap}.metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 10px;background:#fff}.metrics>div{text-align:center;border-right:1px solid var(--line)}.metrics>div:last-child{border:0}.metrics span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.metrics strong{font-size:22px;font-weight:500;letter-spacing:.3px}.metrics strong small{font-size:12px;margin-left:4px;font-weight:400}.sequence-head{display:flex;align-items:center;justify-content:space-between;padding:17px 20px 10px}.sequence{display:flex;gap:5px;overflow:auto;margin:0 20px;padding:3px 0 12px;scrollbar-width:thin;scrollbar-color:#cbd8ce transparent}.seq{flex:0 0 38px;border:1px solid transparent;background:white;border-radius:6px;padding:3px 0;text-align:center}.seq.active{background:#edf2ec;border-color:#9cb5a5}.seq svg{width:29px;height:29px;display:block;margin:auto}.seq span{display:block;font-size:10px;color:#849087;margin-top:3px}.selected-bead{display:flex;align-items:center;justify-content:space-between;gap:5px;min-height:47px;margin:0 20px;padding:10px 0;border-top:1px solid var(--line);font-size:12px}.selected-bead button{font-size:14px;padding:5px 8px;background:white;border:1px solid var(--line);border-radius:4px}.selected-bead select{width:80px;min-height:30px;padding:4px}.selected-actions{display:flex;align-items:center;gap:5px}.studio-foot{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#8b978e;padding:8px 20px 15px}.recommend .panel-heading{border-bottom:1px solid var(--line)}.spark{color:var(--gold);font-size:21px}.right-body{padding:19px}.section-label{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--gold);margin-bottom:13px}.section-label h3{color:var(--ink)}.section-label>span:last-child:not(:first-child){margin-left:auto;font-size:11px;color:var(--muted)}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:17px}.chip{border:1px solid var(--line);border-radius:5px;padding:6px 9px;font-size:12px;background:#fff;color:#788276;line-height:1.4}.chip.active{background:#eaf1e9;border-color:#94ac92;color:#355e42}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 21px}label{font-size:12px;color:#748077;display:block}label>input,label>select,label>textarea{margin-top:7px;font-size:14px}.two-col select{font-size:12px}.styles{margin:13px 0}.styles .chip{border-radius:20px;padding:7px 12px}.styles .chip.active{background:#f5f0e4;color:#876c39;border-color:#cfbe99}.advice{background:#f4f7f1;padding:14px;border-radius:7px;border:1px solid #e1e8da;margin:18px 0 13px;line-height:1.8;font-size:12px;color:#6c7a62}.advice strong{font-weight:600;color:#39563c;display:block;margin-bottom:4px;font-size:13px}.advice p+p{margin-top:6px}.optimize,.arrange{width:100%;font-size:14px}.arrange{margin-top:8px;min-height:37px;padding:7px}.micro{font-size:11px;color:#929990;line-height:1.7;margin-top:10px}.production{margin-top:22px}.production .panel-heading{padding-bottom:8px}.production-grid{display:grid;grid-template-columns:1fr 1fr 100px 2fr;gap:18px;padding:0 20px 16px;align-items:start}.production-grid textarea{resize:vertical;min-height:40px;height:40px}.fit-notice{font-size:12px;padding:12px 20px;background:#f5f8f4;border-top:1px solid var(--line);color:#55765b}.fit-notice.warn{background:#fcf6e9;color:#9a7134}footer{padding:23px 0 25px;font-size:10px;letter-spacing:1.5px;color:#829087;display:flex;justify-content:space-between;gap:12px}footer span{letter-spacing:0;font-size:11px}.thread-card{grid-column:1/-1;padding:14px;min-height:90px}.thread-card.active{border-color:#577c65;background:#eff5ee}.thread-card svg{float:left;margin-right:15px;width:48px}.empty{grid-column:1/-1;padding:30px 0;text-align:center;color:#879086}dialog{border:0;border-radius:16px;padding:0;max-width:960px;width:calc(100% - 40px);color:var(--ink);max-height:92vh;box-shadow:0 25px 120px #0c302344}dialog::backdrop{background:#122b26aa;backdrop-filter:blur(3px)}.dialog-head{padding:24px 28px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.dialog-head h2{font-size:23px;margin-top:7px}#specBody{padding:25px 28px;max-height:68vh;overflow:auto;font-size:14px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:18px 28px;border-top:1px solid var(--line)}.spec-top{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center}.spec-top svg{width:240px;height:240px}.spec-info{line-height:2}.spec-info h3{font-size:23px;margin-bottom:10px}.spec-info .subtle{line-height:1.6}.spec-table{width:100%;border-collapse:collapse;margin:18px 0}.spec-table th,.spec-table td{text-align:left;border-bottom:1px solid var(--line);padding:9px 7px;font-size:12px}.spec-table th{background:#f2f5ef}.spec-heading{margin-top:25px;font-size:16px}.spec-note{white-space:pre-wrap;padding:15px;background:#f4f6f2;line-height:1.8;margin-top:15px}.spec-order{font-size:12px;line-height:2;word-break:break-word}.snapshot3d{width:100%;max-height:260px;object-fit:contain}.number-label{font-size:10px;fill:#6c7f73}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);background:#254c40;color:white;border-radius:9px;box-shadow:0 6px 28px #12392925;padding:13px 22px;opacity:0;pointer-events:none;transition:.2s;z-index:100;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}
@media(min-width:1450px){.workspace{grid-template-columns:290px minmax(450px,1fr) 345px}.canvas-wrap{height:460px}.catalog{max-height:550px}.right-body{padding:21px}.chip{padding:7px 11px}}
@media(max-width:1180px){main{padding:24px 22px 0}.topbar{padding:0 24px;gap:35px}.workspace{grid-template-columns:240px minmax(360px,1fr)}.recommend{grid-column:1/-1}.right-body{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px}.right-body>.section-label{display:none}.right-body>.chips,.right-body>.two-col{margin:0}.right-body>.advice{margin:0;grid-row:3/5;grid-column:2}.right-body>.micro{margin:0}.right-body>.segmented{align-self:start}.right-body>.optimize{grid-column:2}.production-grid{grid-template-columns:1fr 1fr 100px}.notes-label{grid-column:1/-1}.catalog{max-height:518px}}
@media(max-width:700px){.topbar{height:66px;padding:0 18px}.top-context{display:none}.top-end{gap:8px}.internal{font-size:10px}.brand{font-size:21px}.brand small{font-size:8px}main{padding:22px 14px 0}.projectbar{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:20px}.design-name{font-size:26px}.project-actions{width:100%;gap:7px}.project-actions .btn{flex:1;padding:8px;font-size:12px}.workspace{grid-template-columns:1fr;gap:15px}.studio{grid-row:1}.recommend{grid-column:auto;grid-row:2}.materials{grid-row:3}.right-body{display:block}.right-body>.section-label{display:flex;margin:18px 0 12px}.right-body>.chips{margin-bottom:16px}.right-body>.two-col{margin:15px 0 20px}.right-body>.advice{margin:16px 0}.catalog{grid-template-columns:repeat(3,1fr);max-height:410px}.thread-card{grid-column:1/-1}.canvas-wrap{height:385px}.canvas-label{left:18px}.canvas-bottom{left:15px;right:15px;font-size:10px}.production-grid{grid-template-columns:1fr 1fr;gap:12px}.notes-label{grid-column:1/-1}.right-body>.optimize{margin-top:8px}.metrics strong{font-size:20px}.studio-foot{font-size:9px;padding:8px 15px 14px}.selected-bead{flex-wrap:wrap;gap:10px}.production{margin-top:16px}footer{flex-direction:column;gap:8px}.spec-top{grid-template-columns:1fr;gap:8px}.spec-top svg{margin:auto}.dialog-head,#specBody{padding:20px}.dialog-actions{padding:14px;flex-wrap:wrap}.dialog-actions .btn{font-size:12px;flex:1}.spec-table th,.spec-table td{font-size:10px;padding:7px 3px}}
@media print{body>header,body>main,#toast{display:none!important}body{background:#fff}dialog{position:static;display:block!important;width:100%;max-width:none;max-height:none;overflow:visible;border:0;box-shadow:none}dialog:not([open]){display:none!important}#specBody{max-height:none;overflow:visible;padding:10px 0}.dialog-head{padding:0 0 12px}.dialog-head button,.dialog-actions{display:none}.spec-top{grid-template-columns:200px 1fr}.spec-top svg{width:190px;height:190px}.spec-table tr{break-inside:avoid}.spec-note{break-inside:avoid}.spec-heading{break-after:avoid}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}@page{size:A4;margin:14mm}}

/* Regular controls remain readable at narrow viewports and text enlargement. */
label,.chip,.advice,.advice strong,.two-col select,.textbtn,.metrics span,.selected-bead,.fit-notice{font-size:14px}
.material-card small,.catalog-foot,.micro,.canvas-bottom,.studio-foot{font-size:12px}
.chip{padding:6px 8px}.advice{line-height:1.8}.section-label h3{font-size:15px}
@media(min-width:1181px){.workspace{grid-template-columns:260px minmax(380px,1fr) 340px}.right-body{padding:18px}.styles .chip{padding:6px 9px}}
@media(min-width:1450px){.workspace{grid-template-columns:290px minmax(450px,1fr) 365px}}
@media(max-width:700px){.project-actions .btn,.dialog-actions .btn{font-size:14px}.studio-foot{flex-wrap:wrap}.canvas-bottom{font-size:12px}.canvas-bottom .textbtn{font-size:12px}.selected-bead{font-size:14px}}

.metrics{grid-template-columns:repeat(2,1fr)}.material-controls #accessoryFilter{width:125px}.material-card svg{width:76px;height:76px;margin:0 auto 8px}.material-card small{line-height:1.6}.selected-bead>span{max-width:100%;line-height:1.7}.selected-bead .subtle{display:block;margin-top:3px}.selected-bead{flex-wrap:wrap}.canvas-wrap{background:radial-gradient(ellipse at center,#ffffff,#eef2ef)}

/* Editing controls, readable production sheets and keyboard navigation. */
:root{--muted:#58685e}
.skip-link{position:fixed;top:8px;left:8px;transform:translateY(-160%);padding:12px 18px;background:var(--green);color:white;z-index:200;border-radius:6px}.skip-link:focus{transform:none}
.bead:focus-visible rect{stroke:#244d42;stroke-width:3;stroke-dasharray:3 2}
.seq:focus-visible{outline:3px solid #9b762c;outline-offset:1px}.seq span{font-size:12px;color:#52644f}
.seq{flex-basis:44px;min-height:48px}.selected-actions button,.iconbtn{min-width:40px;min-height:40px}.textbtn{min-height:40px}.chip{min-height:36px}
.canvas-label,.eyebrow,.studio-foot,.brand small{font-size:12px}.canvas-label span{font-size:12px;color:#58685e}.material-card small,.micro,.catalog-foot,.studio-foot{color:#58685e}
.advice,.fit-notice,.spec-note{font-size:1.143rem;line-height:1.8}.advice strong{font-size:1.143rem}.subtle{color:#58685e}
.sequence-head{gap:8px;flex-wrap:wrap}.sequence-head>div{display:flex;gap:2px}.studio-foot{flex-wrap:wrap;line-height:1.6}
.table-scroll{max-width:100%;overflow:auto}.spec-table th,.spec-table td{font-size:14px;vertical-align:top;line-height:1.6}.spec-table thead{display:table-header-group}.spec-table tbody tr:nth-child(even){background:#f8faf7}.spec-table{min-width:600px}.order-table{min-width:520px}.order-table td:first-child{font-variant-numeric:tabular-nums;font-weight:600;color:#244d42}.factory-check{font-size:19px!important}
@media(max-width:700px){.brand small{font-size:10px}.canvas-label{top:16px}.canvas-bottom{align-items:flex-end}.canvas-bottom>span{max-width:52%;line-height:1.5}.project-actions .btn{white-space:normal}.studio-toolbar{padding-inline:14px}.production-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.spec-top{grid-template-columns:minmax(0,1fr)}.spec-info{overflow-wrap:anywhere}#specBody{padding:18px 14px}.canvas-wrap{height:400px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.skip-link{display:none!important}.table-scroll{overflow:visible}.spec-table{min-width:0;width:100%}.spec-table th,.spec-table td{font-size:10pt}.spec-table thead{display:table-header-group}.spec-table tr{break-inside:avoid}.spec-top{grid-template-columns:190px minmax(0,1fr)}.spec-heading{break-after:avoid}.spec-note{font-size:10pt}.factory-check{font-size:13pt!important}}

.palette-reasons{list-style:none;margin:10px 0 12px;padding:0}.palette-reasons li{padding:7px 0;border-bottom:1px solid #dce5d6;line-height:1.6}.palette-reasons b{font-size:14px;font-weight:500;color:#294732}.palette-reasons span{display:block;font-size:12px;color:#53664e}.coverage-note{margin-top:12px;padding-top:12px;border-top:1px solid #cedbc8}.coverage-note>b{font-size:14px;font-weight:600}.coverage-note p{font-size:14px}.coverage-note small{display:block;font-size:12px;line-height:1.7;margin-top:6px;color:#53664e}

.seq.dragging{opacity:.45}.seq.drag-target{border-color:#244d42;box-shadow:inset 3px 0 #244d42;background:#eaf1e9}

.help-trigger{border:1px solid #dbe4dc;border-radius:7px;padding:8px 12px;min-height:40px;background:#fff;font-size:13px;white-space:nowrap}
#helpDialog{max-width:800px}#helpDialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;max-height:92vh;max-height:92dvh;overflow:hidden}#helpDialog .dialog-head{gap:16px}#helpDialog h2{font-size:22px;line-height:1.5}
.guide-body{min-height:0;overflow:auto;padding:24px 28px;overscroll-behavior:contain;color:#42584b;font-size:14px;line-height:1.9}.guide-intro{margin-bottom:20px}.guide-steps{list-style:none;margin:0;padding:0}.guide-steps li{display:flex;gap:15px;padding:18px 0;border-top:1px solid #e4eae0}.guide-step-number{flex:0 0 35px;height:35px;display:grid;place-items:center;background:#edf3e9;border-radius:50%;color:#526f4e;font-size:12px;font-variant-numeric:tabular-nums}.guide-steps h3,.guide-files>h3{font-size:16px;font-weight:600;color:#244d42;margin-bottom:5px}.guide-files{margin:18px 0;padding:18px 20px;background:#f4f7f0;border:1px solid #e3eadc;border-radius:9px}.guide-files dl{margin:0}.guide-files dl>div{padding:12px 0}.guide-files dl>div+div{border-top:1px solid #dce5d4}.guide-files dt{font-weight:600;color:#345337;margin-bottom:4px}.guide-files dd{margin:0}.guide-faq{border-top:1px solid #e2e8dd;padding:13px 0}.guide-faq summary{cursor:pointer;font-weight:500;color:#294b38;min-height:30px}.guide-faq p{padding:10px 0 3px}.guide-faq a{color:#244d42;text-underline-offset:3px}.guide-actions{display:flex;justify-content:flex-end;padding:14px 28px;border-top:1px solid #e2e8dd;background:white}
@media(max-width:700px){.top-end .internal{display:none}.topbar{gap:12px}.help-trigger{font-size:12px;padding:7px 9px}#helpDialog{width:calc(100% - 24px)}#helpDialog .dialog-head{padding:17px;gap:10px}#helpDialog h2{font-size:19px}.guide-body{padding:16px 18px}.guide-steps li{gap:10px}.guide-files{padding:15px}.guide-actions{padding:12px 18px}.guide-actions .btn{width:100%}}
@media print{#helpDialog[open]{display:block;max-height:none;overflow:visible}.guide-body{overflow:visible;padding:0}.guide-actions{display:none}}

.selected-actions .replace-material{min-height:40px;padding:7px 12px;font-size:13px;border-color:#adc1af;color:#244d42;background:#f3f7f1;white-space:nowrap}.selected-actions .replace-material[aria-pressed=true]{background:#244d42;color:white;border-color:#244d42}.insertion-bar.replacement-active{margin:0 16px 12px;padding:10px;border:1px solid #b6c9b4;border-radius:7px;background:#edf4e9;line-height:1.6;color:#244d42}.material-card.replace-candidate{border-color:#b8cbb7}.material-card.replace-candidate .plus{color:#244d42;font-size:20px}

.spec-reference{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;margin:5px 0 3px;line-height:1.6}.spec-reference>span{font-size:12px;color:#58685e}.spec-reference code{display:inline-block;background:#edf3ee;border:1px solid #dae5da;border-radius:5px;padding:3px 7px;color:#244d42;font-size:12px;letter-spacing:.4px;overflow-wrap:anywhere}.spec-reference-hint{font-size:11px;line-height:1.7;color:#647267;margin-bottom:10px}@media print{.spec-reference code{font-size:9pt}.spec-reference-hint{font-size:8pt}}

.preview-options{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 14px;padding:10px 18px;border-bottom:1px solid var(--line);background:#fafbf9}
.preview-control-group{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.preview-control-group>span{font-size:12px;color:#58685e;margin-right:4px}
.preview-control-group button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:36px;padding:6px 9px;border:1px solid #dfe6dd;background:#fff;border-radius:6px;font-size:12px;line-height:1.5}
.preview-control-group button.active{border-color:#88a291;background:#edf3ee;color:#244d42}.backdrop-dot{width:12px;height:12px;border-radius:50%;border:1px solid #88988d55}.backdrop-dot.mist{background:#e9eeeb}.backdrop-dot.warm{background:#f3ede2}.backdrop-dot.dark{background:#252c2a}
.canvas-wrap.dark-preview{background:#252c2a}.dark-preview .canvas-label,.dark-preview .canvas-label span,.dark-preview .canvas-bottom,.dark-preview .canvas-bottom .textbtn{color:#edf2ee}.dark-preview .canvas-bottom .textbtn{background:#252c2acc;border-radius:5px}.dark-preview .canvas-label,.dark-preview #viewHint{text-shadow:0 1px 3px #0008}
@media(max-width:700px){.preview-options{padding:10px 14px;gap:8px}.preview-control-group button{min-height:40px;padding:7px 10px;font-size:13px}}

/* Material browsing and selected-piece details. */
.tone-filters{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 13px}
.tone-filters button{display:inline-flex;align-items:center;gap:5px;min-height:36px;padding:6px 9px;border:1px solid var(--line);border-radius:18px;background:white;font-size:12px}
.tone-filters button.active{background:#edf3ee;border-color:#91ad9c;color:#244d42}
.tone-dot{display:inline-block;width:11px;height:11px;border-radius:50%;box-shadow:inset 0 0 0 1px #00000012}
.tone-dot.gold{background:linear-gradient(135deg,#f4dfad,#a67a32)}.tone-dot.silver{background:linear-gradient(135deg,#f2f4f6,#929ca5)}.tone-dot.rose{background:linear-gradient(135deg,#f5d8cb,#b68176)}.tone-dot.pearl{background:linear-gradient(135deg,#fffdf8,#ded8ce)}
.insertion-bar{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:0 18px 12px;min-height:35px;color:#58685e;font-size:12px}
.insertion-bar .textbtn{padding:3px 0;min-height:32px;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.material-used{display:inline-block;position:absolute;left:7px;top:7px;background:#edf3eeeF;color:#244d42;border-radius:4px;padding:3px 5px;font-size:10px;line-height:1.2;pointer-events:none}
.catalog-empty{grid-column:1/-1;text-align:center;padding:28px 10px;color:#58685e;line-height:1.8}.catalog-empty b{font-size:15px;color:var(--ink)}.catalog-empty p{margin:8px 0 16px;font-size:13px}
.selected-bead{padding:16px 0;gap:14px}.selection-summary{display:flex;align-items:center;gap:12px;min-width:0;flex:1 1 230px}.selection-thumb{flex:0 0 72px;width:72px;height:72px;border:1px solid #e7ece5;border-radius:10px;background:radial-gradient(ellipse at center,#fff,#eef3ed);overflow:hidden}.selection-thumb svg{display:block;width:72px;height:72px}.selection-position{display:block;font-size:11px;letter-spacing:.5px;color:#66786b;margin-bottom:4px}.selection-summary h3{font-size:17px;font-weight:600;line-height:1.5}.selection-summary .subtle{font-size:12px;line-height:1.6}.selected-actions{flex-wrap:wrap;gap:6px}.selected-size-label{display:flex;align-items:center;gap:7px;color:#58685e;font-size:12px}.selected-size-label select{margin:0;min-height:40px}.selection-specs{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0;background:#f7f9f5;border:1px solid #e6ece3;border-radius:8px;overflow:hidden}.selection-specs>div{padding:10px 12px}.selection-specs dt{font-size:11px;color:#647466;margin-bottom:4px}.selection-specs dd{margin:0;font-size:13px;line-height:1.6;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.selection-note{width:100%;font-size:12px;line-height:1.7;color:#58685e}.selection-note p+p{margin-top:5px}.selection-note .thread-tight{color:#936027;font-weight:500}.selection-empty{font-size:13px;color:#58685e;line-height:1.8}
@media(max-width:700px){.tone-filters{gap:8px}.tone-filters button{min-height:40px;font-size:13px}.selected-actions{width:100%;justify-content:flex-start}.selection-specs dd{font-size:14px}.insertion-bar{flex-wrap:wrap}.material-used{font-size:10px}}

/* Keep the sheet header and downloads reachable while its content scrolls. */
@media screen{
  #specDialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;max-height:92vh;max-height:92dvh;overflow:hidden}
  #specBody{min-width:0;min-height:0;max-height:none;overscroll-behavior:contain}
  .spec-top svg{max-width:100%;height:auto;aspect-ratio:520/415}
  .table-scroll{overscroll-behavior-inline:contain}
}
@media screen and (max-width:700px){
  #specDialog{width:calc(100% - 24px)}
  .dialog-head{padding:16px;gap:8px}
  .dialog-head h2{font-size:20px}
  .dialog-actions{padding:10px;gap:8px}
  .dialog-actions .btn{min-height:44px;white-space:normal}
}