:root {
  --paper:#f5f5f2; --surface:#fff; --ink:#20262b; --muted:#667078;
  --line:#d9ddde; --soft:#eef0ef; --accent:#b64029; --accent-hover:#95311d;
  --amber:#845712; --amber-bg:#fcf4e3;
  font:14px/1.5 'Segoe UI',Arial,sans-serif; color:var(--ink); background:var(--paper);
  font-synthesis:none; text-rendering:optimizeLegibility;
}
*{box-sizing:border-box} body{margin:0} button,input{font:inherit} button{border:0}
button,[role=button],summary{cursor:pointer} a{color:inherit;text-decoration:none}
button,a,input,[role=button],summary{-webkit-tap-highlight-color:transparent}
button:disabled{opacity:.45;cursor:not-allowed}
button:focus-visible,a:focus-visible,input:focus-visible,[role=button]:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
[hidden]{display:none!important}
.header{height:78px;max-width:1380px;margin:0 auto;padding:0 42px;display:flex;align-items:center;gap:25px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;font-size:19px;letter-spacing:2px;font-weight:750;line-height:1}
.brand img{width:30px;height:30px}.header-category{font-size:12px;color:var(--muted);border-left:1px solid #cbd0d2;padding-left:24px}
.header-right{margin-left:auto;display:flex;align-items:center;gap:28px}.header-note{display:flex;align-items:center;gap:8px;color:#46535b;font-size:12px}
.quiet{background:transparent;padding:8px 0;font-size:13px;font-weight:600}.quiet>span{font-size:19px;margin-right:5px;font-weight:400;vertical-align:-1px}
.help-menu{position:relative;font-size:12px}.help-menu summary{list-style:none;color:#48535a;display:flex;gap:10px;align-items:center;padding:8px 0}
.help-menu summary::-webkit-details-marker{display:none}.help-menu[open] summary{color:var(--accent)}
.help-menu>div{position:absolute;right:0;top:38px;z-index:20;width:305px;background:white;border:1px solid var(--line);box-shadow:0 8px 22px #15232b14;padding:22px;font-size:13px;line-height:1.7}
.help-menu strong{font-size:14px;font-weight:600}.help-menu ol{padding-left:18px;margin:16px 0}.help-menu li{padding-left:5px;margin:8px 0}.help-menu p{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin:12px 0 0}
main{max-width:1380px;margin:auto;padding:0 42px}
.welcome{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,.8fr);gap:0 38px;padding-top:46px}
.welcome-heading{grid-column:1/-1;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding-bottom:34px}
.eyebrow{font-family:'Segoe UI',Arial,sans-serif;font-size:10px;letter-spacing:1.5px;font-weight:650;margin:0 0 12px;color:#627078}
.intro h1{font-size:clamp(30px,3.25vw,46px);line-height:1.15;letter-spacing:-1.65px;font-weight:600;margin:0 0 17px}
.lede{font-size:14px;line-height:1.8;color:#525e65;margin:0}
.format-note{display:flex;flex-direction:column;gap:13px;font:10px 'Consolas',monospace;color:#7a8388;padding-bottom:4px;min-width:235px}
.format-note>span{display:grid;grid-template-columns:55px 1fr;gap:9px;align-items:baseline}
.format-note strong{font:12px 'Segoe UI',Arial,sans-serif;color:#4d5960;font-weight:400}
.upload-panel,.export-example{border:1px solid var(--line);background:white;min-width:0}
.panel-caption{height:47px;display:flex;align-items:center;justify-content:space-between;padding:0 21px;border-bottom:1px solid var(--line);font-size:10px;font-weight:600;letter-spacing:1.15px;color:#44535c}
.panel-caption>span:first-child{display:flex;align-items:center;gap:12px}.section-index{font:11px 'Consolas',monospace;color:var(--accent)}
.panel-caption .caption-detail{font-size:11px;color:#758088;letter-spacing:0;font-weight:400}
.drop-zone{margin:20px;border:1px dashed #b5bec2;background:#fbfcfb;min-height:252px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:27px 20px;transition:background .15s,border-color .15s}
.drop-zone:hover,.drop-zone.dragover{background:#f1f3f2;border-color:#849196}.upload-icon{color:#52616b;margin-bottom:15px}
.drop-zone h2{font-size:18px;font-weight:550;letter-spacing:-.3px;margin:0 0 7px}
.drop-zone p{font-size:12px;color:#69757b;margin:0}.choose{display:inline-flex;align-items:center;justify-content:center;gap:26px;min-width:184px;background:var(--accent);color:white;padding:11px 20px;margin:21px 0 13px;font-size:13px;font-weight:600;border-radius:3px;transition:background .15s}
.drop-zone:hover .choose{background:var(--accent-hover)}.drop-zone small{font-size:11px;color:#758087}
.upload-foot{display:flex;align-items:center;gap:7px;padding:0 20px 18px;font-size:11px;color:#657278;flex-wrap:wrap}
.privacy-dot{display:inline-block;width:5px;height:5px;background:#617a69;border-radius:50%;flex-shrink:0}.upload-foot-end{margin-left:auto;color:#8a9398}
.export-example{background:#f9faf9}.example-sheet{padding:18px 20px 13px}
.example-sheet>img{display:block;width:100%;height:125px;object-fit:contain;object-position:left center;margin-bottom:16px}
.example-sheet>div{display:grid;grid-template-columns:30px 1fr;column-gap:10px;row-gap:3px;align-items:center}
.file-type{font:9px 'Consolas',monospace;color:#566871;border:1px solid #c4cccf;border-radius:2px;padding:2px 3px;display:inline-block;width:29px;text-align:center;line-height:1.5}
.example-sheet strong{font-size:13px;font-weight:600}.example-sheet>div>span:last-child{grid-column:2;font-size:11px;color:#758187}
.example-files{padding:0 20px 9px}.example-files>div{display:flex;align-items:center;gap:10px;border-top:1px solid #e2e6e6;min-height:34px;font-size:11px;color:#5d6b73}
.example-files strong{font:11px 'Consolas',monospace;color:#25313a;margin-right:8px}.example-register{padding-top:8px;margin-top:4px}.example-register small{color:#90999e;font-size:10px;margin-left:15px}
.workflow{grid-column:1/-1;margin-top:36px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:38px;padding-top:24px}
.workflow>div{display:flex;align-items:baseline;gap:14px}.workflow p{font-size:12px;line-height:1.8;color:#68757c;margin:0;max-width:310px}.workflow strong{display:block;font-weight:600;font-size:13px;color:#303d46;margin-bottom:5px}
footer{max-width:1380px;margin:38px auto 0;padding:20px 42px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#737e85;font-size:10px}
.footer-brand{font-size:10px;letter-spacing:1.4px;color:#4a5861;font-weight:650}.footer-brand>span{font-size:10px;letter-spacing:0;font-weight:400;color:#939ba0;margin-left:12px}
footer a{color:#61717a}footer a:hover{text-decoration:underline;text-underline-offset:3px}
.notice{margin:24px 0;background:#fff4ee;color:#833f2d;border:1px solid #e7cbbf;padding:16px 20px;font-size:13px;line-height:1.6}
.busy{text-align:center;margin:90px auto;max-width:420px}.busy h2{font-size:23px;font-weight:550;letter-spacing:-.4px}.busy p{font-size:13px;color:var(--muted)}progress{width:100%;height:4px;accent-color:var(--accent)}
.spinner{display:inline-block;width:27px;height:27px;border:2px solid #dce0e1;border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.workspace{padding-top:28px}.set-header{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:22px}.set-header .eyebrow{margin:0 0 7px;font-size:9px}
.set-header h1{font-size:25px;font-weight:550;line-height:1.25;letter-spacing:-.6px;margin:0 0 8px;max-width:650px;overflow-wrap:anywhere}.muted{font-size:12px;color:#768189;margin:0}
.export-actions{display:flex;gap:10px;flex-shrink:0}.primary,.secondary{padding:11px 16px;border-radius:3px;font-size:12px;font-weight:600;white-space:nowrap}
.primary{background:var(--accent);color:white}.primary:hover{background:var(--accent-hover)}.secondary{background:white;border:1px solid #cbd2d5;color:#354650}.secondary:hover{background:#f2f4f3}.primary>span,.secondary>span{margin-left:16px}
.review-note{background:var(--amber-bg);border:1px solid #e8d9b7;padding:13px 16px;font-size:12px;line-height:1.8;margin-bottom:16px;color:#7b5b25;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.review-note label{display:flex;align-items:center;gap:7px}.review-note input{accent-color:var(--amber)}
.desk{display:grid;grid-template-columns:minmax(350px,.86fr) minmax(420px,1.3fr);border:1px solid var(--line);background:white}
.register-pane{border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.list-tools{display:flex;align-items:center;gap:12px;padding:14px 17px;border-bottom:1px solid var(--line);min-height:64px}
.search{display:flex;align-items:center;gap:9px;min-width:0;flex:1;color:#657985}.search>span{font-size:22px}
.search input{min-width:0;width:100%;border:0;background:transparent;padding:7px 0;color:var(--ink);font-size:13px}.search input::placeholder{color:#88959d}
.filter{background:#eef1f1;color:#50636f;font-size:10px;padding:8px 10px;white-space:nowrap;border:1px solid transparent;border-radius:3px}.filter[aria-pressed=true]{background:#fbefdf;border-color:#dfcaa7;color:#80591e}.filter>span{margin-left:7px;font-family:'Consolas',monospace}
.list-labels{display:grid;grid-template-columns:132px 1fr;padding:12px 18px 11px;border-bottom:1px solid #e5e9e9;font-size:9px;letter-spacing:1px;color:#7c8a92}
.sheet-list{height:577px;overflow:auto;scrollbar-width:thin;scrollbar-color:#c8d0d2 transparent}
.sheet-row{position:relative;display:grid;grid-template-columns:132px minmax(0,1fr);align-items:center;width:100%;min-height:62px;padding:14px 18px;border-bottom:1px solid #e9ecec;background:white;text-align:left;color:var(--ink)}
.sheet-row:hover{background:#f6f7f6}.sheet-row.active{background:#f1f3f3;box-shadow:inset 3px 0 var(--accent)}
.sheet-id{display:flex;gap:14px;align-items:center}.sheet-id small{font:10px 'Consolas',monospace;color:#87959d;min-width:18px}.sheet-id strong{font:600 13px 'Consolas',monospace;color:#25313a}
.sheet-info{min-width:0}.sheet-info>span{display:block;font-size:12px;line-height:1.55;overflow-wrap:anywhere;padding-right:7px}.sheet-info small{display:block;margin-top:4px;font-size:10px;color:#936d33}.row-dot{position:absolute;right:9px;top:50%;width:5px;height:5px;background:#b28b49;border-radius:50%}
.empty-list{font-size:13px;color:var(--muted);padding:25px 18px}.register-foot{margin:0;margin-top:auto;padding:15px 18px;font-size:10px;line-height:1.6;color:#7c8a92;border-top:1px solid var(--line)}
.preview-pane{min-width:0;background:#fafbfa}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:12px 20px;border-bottom:1px solid var(--line);background:white}
.preview-toolbar .eyebrow{display:block;font-size:8px;letter-spacing:1.2px;margin-bottom:5px}.preview-toolbar strong{font:600 12px 'Consolas',monospace}
.page-nav{display:flex;gap:7px;align-items:center;font:11px 'Consolas',monospace;color:#687c88}.page-nav button{background:transparent;padding:7px;color:#354a57;min-width:28px}
.page-nav .zoom{font:11px 'Segoe UI',Arial,sans-serif;background:white;border:1px solid #cfd7da;border-radius:3px;padding:7px 10px;margin-left:9px}.zoom[aria-pressed=true]{background:#e7edef;border-color:#9fb1bc}
.canvas-wrap{position:relative;height:444px;display:flex;align-items:center;justify-content:center;padding:25px;background:#e9eced;overflow:hidden}
.canvas-wrap canvas{max-width:100%;max-height:100%;object-fit:contain;background:white;box-shadow:0 2px 9px #1b303719}
.rendering{position:absolute;bottom:14px;background:white;border:1px solid #d8dfe2;padding:6px 11px;border-radius:3px;font-size:11px;color:#506571}
.edit-panel{padding:21px;background:#fcfcfb;border-top:1px solid var(--line)}.edit-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.edit-heading .eyebrow{font-size:9px;margin:0}
.status{background:#eaf0e9;color:#496444;padding:4px 7px;border-radius:3px;font-size:10px}.status.check{background:#faf0dc;color:#86602a}
.reasons{font-size:12px;line-height:1.65;color:#8b6329;margin-bottom:13px}.reasons:empty{display:none}
#edit-form{display:grid;grid-template-columns:135px minmax(0,1fr);gap:13px}#edit-form label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#687a86}
#edit-form input{width:100%;padding:10px 11px;border:1px solid #cbd3d7;border-radius:3px;background:white;color:var(--ink);font-size:13px}
#number{font-family:'Consolas',monospace}#save{grid-column:1/-1;justify-self:start;padding:8px 12px;font-size:11px}.filename{font:10px/1.6 'Consolas',monospace;color:#82919b;overflow-wrap:anywhere;margin:14px 0 0}
.legal-copy{max-width:750px;padding:50px 0}.legal-copy h1{font-size:34px;line-height:1.2;font-weight:600;letter-spacing:-1px;margin:0 0 26px}.legal-copy p{color:#56656f;line-height:1.9}.legal-copy a{text-decoration:underline;text-underline-offset:4px}
body.dragging::after{content:'Drop your drawing PDF';position:fixed;z-index:30;inset:15px;display:grid;place-items:center;border:2px dashed var(--accent);background:#f5f5f2f2;color:var(--ink);font-size:26px;pointer-events:none}
@media(min-width:1600px){.welcome{padding-top:60px}.drop-zone{min-height:290px}.canvas-wrap{height:500px}.sheet-list{height:633px}}
@media(max-width:1100px){.header,main{padding-left:28px;padding-right:28px}footer{padding-left:28px;padding-right:28px}.header-category{display:none}.welcome{gap:0 24px;grid-template-columns:minmax(0,1.1fr) minmax(310px,.9fr)}.format-note{display:none}.workflow{gap:24px}.desk{grid-template-columns:minmax(320px,.9fr) minmax(370px,1.1fr)}.sheet-row,.list-labels{grid-template-columns:105px 1fr;padding-left:15px}.sheet-id{gap:9px}.list-tools{gap:6px;padding:14px 12px}.preview-toolbar{padding:12px 14px}.page-nav{gap:3px}.page-nav .zoom{margin-left:3px}.edit-panel{padding:18px}#edit-form{grid-template-columns:110px minmax(0,1fr)}}
@media(max-width:820px){.header{height:70px;padding:0 22px}.header-right{gap:20px}.header-note{font-size:11px}.welcome{padding-top:35px;grid-template-columns:1fr}.welcome-heading{padding-bottom:26px}.intro h1{font-size:36px}.export-example{margin-top:20px;display:grid;grid-template-columns:1fr 1fr}.export-example .panel-caption{grid-column:1/-1}.example-sheet{padding-bottom:18px}.example-sheet>img{height:105px}.example-files{display:flex;flex-direction:column;justify-content:center;padding-top:9px}.example-files>div{min-height:40px}.example-files>div:first-child{border-top:0}.example-register small{display:block;margin-left:0}.workflow{margin-top:28px;gap:22px}.workflow>div{gap:9px}.desk{grid-template-columns:1fr}.register-pane{border-right:0;border-bottom:1px solid var(--line)}.sheet-list{height:300px}.sheet-row,.list-labels{grid-template-columns:145px 1fr}.canvas-wrap{height:420px}.set-header{align-items:flex-start}.set-header h1{font-size:23px}.export-actions{gap:7px}.export-actions button{font-size:11px;padding:10px 12px}.primary>span,.secondary>span{margin-left:8px}.header:has(#reset:not([hidden])) .header-note{display:none}footer{margin-top:28px}}
@media(max-width:560px){.header,main{padding-left:20px;padding-right:20px}.header{height:67px;gap:12px}.brand{font-size:16px;letter-spacing:1.5px;gap:8px}.brand img{width:25px;height:25px}.header-right{gap:16px}.header-note{display:none}.help-menu{font-size:11px}.help-menu>div{right:-2px;width:285px;padding:20px}.welcome{padding-top:31px}.eyebrow{font-size:9px;letter-spacing:1.3px}.intro h1{font-size:32px;letter-spacing:-1.1px;margin-bottom:15px}.lede{font-size:13px;line-height:1.85}.desktop-break{display:none}.panel-caption{height:44px;padding:0 15px;font-size:9px;letter-spacing:.8px}.panel-caption .caption-detail{font-size:10px}.drop-zone{margin:14px;min-height:250px;padding:25px 13px}.drop-zone h2{font-size:17px}.drop-zone p{max-width:210px;font-size:12px}.upload-foot{padding:0 15px 15px;font-size:10px}.upload-foot-end{display:none}.export-example{grid-template-columns:1fr}.example-sheet{padding:16px}.example-sheet>img{height:126px;margin-bottom:15px}.example-files{padding:0 16px 12px}.example-files>div:first-child{border-top:1px solid #e2e6e6}.example-files>div{min-height:36px}.example-register small{display:inline;margin-left:15px}.workflow{grid-template-columns:1fr;gap:18px;padding-top:24px}.workflow>div{gap:15px}.workflow p{max-width:none;font-size:12px}.workflow strong{font-size:13px}.set-header{flex-direction:column;gap:18px}.workspace{padding-top:24px}.set-header h1{font-size:22px}.muted{font-size:11px}.export-actions{width:100%;gap:8px}.export-actions button{padding:11px 10px;flex:1;font-size:11px}.quiet{font-size:11px}.help-menu{display:block}.header:has(#reset:not([hidden])) .help-menu{display:none}.list-tools{min-height:60px;padding:12px 14px;gap:10px}.search input{font-size:12px}.filter{font-size:9px;padding:7px 8px}.sheet-row,.list-labels{grid-template-columns:101px minmax(0,1fr);padding-left:14px;padding-right:14px}.sheet-id{gap:9px}.sheet-id strong{font-size:12px}.sheet-info>span{font-size:11px}.sheet-list{height:270px}.sheet-row{min-height:61px}.register-foot{padding:13px 14px}.preview-toolbar{padding:12px 14px}.page-nav{gap:2px;font-size:10px}.page-nav button{min-width:25px;padding:7px}.page-nav .zoom{font-size:10px;padding:7px 8px;margin-left:2px}.canvas-wrap{height:330px;padding:18px}.edit-panel{padding:17px 14px}#edit-form{grid-template-columns:105px minmax(0,1fr);gap:11px}#edit-form input{font-size:12px;padding:9px}.filename{font-size:9px}.legal-copy{padding-top:35px}.legal-copy h1{font-size:29px}footer{padding:20px 20px 25px;gap:13px;flex-wrap:wrap;font-size:9px}footer>span:nth-child(2){order:3;flex-basis:100%}.footer-brand>span{font-size:9px;margin-left:8px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}