:root{--ink:#102237;--muted:#54687b;--line:#d4dfe7;--accent:#f5ad32;--blue:#1767ad;--paper:#f4f7fa;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 0,#dce8f180,transparent 55%),var(--paper);color:var(--ink);font:15px/1.55 'Inter Tight',system-ui,sans-serif}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:'Inter Tight',system-ui,sans-serif}h1{font-size:clamp(30px,3vw,42px);font-weight:600;letter-spacing:-.03em;margin-bottom:12px}h2{font-size:24px;letter-spacing:-.035em;line-height:1.3}h3{font-size:17px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,label[for=pdf-file],select{cursor:pointer}button{color:inherit}button:disabled{cursor:wait;opacity:.55}button,input,select{min-height:44px}button,input,select,a{transition:background 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease)}:focus-visible{outline:3px solid #267bb7;outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;left:16px;top:-100px;padding:12px;background:white;z-index:5}.skip:focus{top:8px}
.topbar{min-height:84px;padding:12px max(24px,calc((100vw - 1480px)/2));display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);background:#ffffffbd;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;font:600 23px 'Inter Tight',sans-serif;letter-spacing:-.03em}.brand svg{width:40px;height:40px}.brand small{display:block;color:var(--muted);font:10px/1.4 'Inter Tight',sans-serif;letter-spacing:.09em;text-transform:uppercase}.topbar nav{display:flex;gap:26px;margin-left:auto}.topbar nav a{min-height:44px;display:flex;align-items:center;font-weight:500;color:var(--muted)}.topbar nav a[aria-current]{color:var(--ink);box-shadow:0 2px var(--accent)}.local-badge{font:11px 'IBM Plex Mono','JetBrains Mono',monospace;letter-spacing:.07em;color:#315979;background:#e5edf3;border:1px solid var(--line);padding:9px 12px;border-radius:6px}main{max-width:1480px;margin:auto;padding:40px 24px 64px}.intro{display:flex;justify-content:space-between;gap:30px;align-items:center}.intro p:not(.eyebrow){color:var(--muted)}.eyebrow{font:400 11px 'IBM Plex Mono','JetBrains Mono',monospace;letter-spacing:.13em;color:#7b591f;margin-bottom:15px}.privacy{display:flex;gap:10px;align-items:center;font-size:13px;white-space:normal;max-width:420px;flex:0 1 420px}.privacy svg{width:21px;height:21px;flex-shrink:0}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:30px 0;border:1px solid var(--line);border-radius:10px;background:#ffffffa8;overflow:hidden}.steps li{padding:16px 24px;color:var(--muted);border-right:1px solid var(--line);font-size:14px}.steps li:last-child{border:0}.steps span{font:12px 'IBM Plex Mono','JetBrains Mono',monospace;margin-right:15px;color:#7590a5}.steps li[aria-current]{background:linear-gradient(100deg,#152f46,#214058);color:white;box-shadow:inset 0 -3px var(--accent)}.steps li[aria-current] span{color:var(--accent)}.upload-panel{display:grid;grid-template-columns:1fr 330px;gap:32px;background:#ffffffc7;border:1px solid var(--line);padding:32px;border-radius:14px;box-shadow:0 18px 50px -40px #10223775}.dropzone{border:1px dashed #9eafbd;border-radius:9px;text-align:center;padding:50px 24px;position:relative;background:linear-gradient(150deg,#fff,#f5f8fb)}.dropzone.drag{border-color:var(--blue);background:#e7f1fa;box-shadow:0 0 0 4px #1767ad15}.upload-icon{width:45px;height:45px;margin-bottom:16px;color:#466985}.dropzone h2{margin-bottom:8px}.dropzone p{color:var(--muted)}#pdf-file{position:absolute;width:1px;height:1px;opacity:0;min-height:1px}.dropzone:focus-within{outline:3px solid #267bb7;outline-offset:4px}.scope-note{border-left:1px solid var(--line);padding:25px 0 10px 32px}.scope-note p{color:var(--muted);font-size:14px}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:11px 18px;border-radius:7px;border:1px solid var(--line);font-weight:500;text-align:center}.button svg{width:19px;height:19px}.primary{background:linear-gradient(145deg,#18344e,#102237);border-color:var(--ink);color:white;box-shadow:0 4px 15px #10223717}.primary:hover{background:#264960;box-shadow:0 5px 18px #10223726}.quiet{background:#fff}.quiet:hover{background:#edf3f7;border-color:#91a8ba}.wide{width:100%}.small{font-size:12px;color:var(--muted);line-height:1.6}.dropzone .small{margin:18px 0 0}.alert{border:1px solid #b56843;border-radius:8px;background:#fff1e9;padding:14px 18px;margin-bottom:20px;color:#7c351b}.job-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;margin:30px 0 20px}.job-heading h2{font-size:20px;margin:0;overflow-wrap:anywhere}.job-heading .eyebrow{margin-bottom:8px}.progress{display:flex;align-items:center;gap:18px;background:#e9f0f5;border:1px solid var(--line);border-radius:8px;padding:18px 22px;margin-bottom:22px}.progress p{font-size:13px;color:var(--muted);margin:4px 0 0}.progress button{margin-left:auto}.pulse{width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px #1767ad16;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{50%{box-shadow:0 0 0 10px #1767ad07}}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 355px;gap:22px;align-items:start}.drawing-panel{border:1px solid #bbcbd7;background:white;border-radius:11px;overflow:hidden;box-shadow:0 15px 45px -35px #10223788}.drawing-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid var(--line);background:#f9fbfc}.drawing-toolbar strong{font-size:13px}.drawing-toolbar small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.zoom-controls{display:flex;gap:4px}.zoom-controls button,.preview-footer button{border:0;background:transparent;font-size:12px;padding:8px 11px;min-width:44px;border-radius:5px}.zoom-controls button:hover,.preview-footer button:hover{background:#e3edf4}.canvas-wrap{height:550px;background:#dce5ec;background-image:linear-gradient(#fff4 1px,transparent 1px),linear-gradient(90deg,#fff4 1px,transparent 1px);background-size:24px 24px;overflow:hidden}#drawing{width:100%;height:100%;display:block;touch-action:none;cursor:grab;background:#fafcfd}#drawing.picking{cursor:crosshair}#keyboard-cursor{fill:#173f6580;stroke:white;stroke-width:.4;display:none}#drawing.picking:focus #keyboard-cursor{display:block}.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:6px 14px;color:var(--muted);font-size:11px;min-height:48px}#overlays line{stroke:#1767ad;stroke-width:1.5;vector-effect:non-scaling-stroke}#overlays .CL{stroke:#b56b06;stroke-width:2;stroke-dasharray:15 4 3 4}#overlays circle{fill:#1767ad;stroke:white;stroke-width:1.5;vector-effect:non-scaling-stroke}#overlays text{font-family:'Inter Tight',sans-serif;fill:#0d4777;stroke:#fff;stroke-width:.8;paint-order:stroke fill}
.settings{border:1px solid var(--line);border-radius:11px;background:#ffffffd9;padding:23px;box-shadow:0 8px 30px -24px #10223766;backdrop-filter:blur(14px)}.settings-heading h2{font-size:23px;margin-bottom:10px}.settings-heading p:last-child{font-size:13px;color:var(--muted);margin-bottom:23px}.settings .eyebrow{margin-bottom:10px}.settings fieldset{border:0;border-top:1px solid var(--line);padding:18px 0 20px;margin:0}.settings legend{font:400 10px 'IBM Plex Mono','JetBrains Mono',monospace;letter-spacing:.07em;padding-right:12px;color:#43627b}.settings label{display:block;font-size:12px;font-weight:500;margin:8px 0 7px}.settings select,.settings input{width:100%;border:1px solid #bacbd7;border-radius:6px;background:#f8fafc;color:var(--ink);padding:10px 12px}.settings .evidence{font-size:13px;color:#345875;line-height:1.6}.settings .small{margin:12px 0;overflow-wrap:anywhere}.button-row{display:flex;gap:7px;flex-wrap:wrap}.button-row .button{font-size:11px;padding:10px 12px}.setup-summary{font-size:12px;background:#edf3f7;padding:13px;border-radius:6px;color:#345875;margin:0 0 14px}.result-panel{display:grid;grid-template-columns:340px 1fr;gap:40px;margin-top:26px;border:1px solid #b2c6d5;border-radius:11px;padding:30px;background:linear-gradient(120deg,#e5eff6,#ffffff);box-shadow:0 14px 45px -35px #10223766}.result-panel .canvas-wrap{height:420px}.result-panel p{color:var(--muted)}.review-panel{border-left:3px solid #c79134;margin-top:25px;padding:5px 0 5px 22px}.review-panel h3{margin-bottom:10px}.review-panel li{font-size:13px;color:var(--muted);margin:8px 0}.review-panel ul{padding-left:17px}.review-panel .small{margin:15px 0 0}footer{max-width:1480px;margin:auto;border-top:1px solid var(--line);padding:25px 24px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}
@media(max-width:1050px){.topbar{gap:24px}.local-badge{display:none}.workspace{grid-template-columns:minmax(0,1fr) 310px}.settings{padding:20px}.canvas-wrap{height:460px}.drawing-toolbar{flex-wrap:wrap}.upload-panel{grid-template-columns:1fr 280px;gap:24px;padding:24px}.intro{display:block}.privacy{margin-top:12px;max-width:none}}
@media(max-width:760px){.topbar{padding:14px 18px;flex-wrap:wrap;gap:8px}.brand{font-size:21px}.topbar nav{width:100%;margin:4px 0 0;gap:22px;font-size:13px}.topbar nav a{min-height:44px}main{padding:30px 16px 42px}.intro p{font-size:14px}.steps{margin:23px 0}.steps li{padding:13px 9px;font-size:11px}.steps span{display:block;margin-bottom:5px;font-size:10px}.upload-panel,.workspace,.result-panel{grid-template-columns:1fr}.upload-panel{padding:18px}.dropzone{padding:35px 14px}.scope-note{border-left:0;border-top:1px solid var(--line);padding:23px 0 0}.scope-note p{margin-bottom:12px}.job-heading{align-items:start;flex-wrap:wrap}.progress{padding:16px 14px;gap:13px}.progress strong{font-size:13px}.progress .button{font-size:12px;padding:9px}.canvas-wrap{height:350px}.drawing-toolbar{padding:13px}.zoom-controls{flex-wrap:wrap}.preview-footer{align-items:start;gap:10px}.preview-footer span{padding-top:10px}.settings{padding:22px}.result-panel{padding:23px;gap:24px}.result-panel .canvas-wrap{height:350px}footer{flex-direction:column;gap:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.view-selector{padding:24px;border:1px solid #cdd7df;border-radius:16px;margin:24px 0;background:linear-gradient(145deg,#fff,#edf2f6);box-shadow:0 8px 24px #1022370b}.view-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.view-choice{display:flex;flex-direction:column;gap:10px;padding:12px;text-align:left;border:1px solid #b6c7d2;border-radius:12px;background:#ffffffd9;color:#102237;min-height:44px;cursor:pointer;transition:border-color 180ms ease-out,box-shadow 180ms ease-out}.view-choice img{width:100%;height:150px;object-fit:contain;background:white}.view-choice span{font-size:13px;color:#52667a}.view-choice[aria-pressed=true],.view-choice:hover{border-color:#bd780e;box-shadow:0 0 0 2px #f5ad3233}.view-choice:focus-visible{outline:3px solid #cf7b0b;outline-offset:3px}.view-choice:disabled{cursor:wait;opacity:.65}@media(prefers-reduced-motion:reduce){.view-choice{transition:none}}

.CL-applicability{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer}.CL-applicability input{width:20px;min-height:20px}

.source-title{min-width:0;overflow-wrap:anywhere}.drawing-toolbar{flex-wrap:wrap}.zoom-controls{flex-wrap:wrap}#dxf-drawing{width:100%;height:100%;display:block;touch-action:none;cursor:grab;background:white}.result-panel>*,.drawing-panel{min-width:0}
.scope-note label,.report-heading label{display:block;font-size:13px;font-weight:500}.scope-note select,.report-heading select{display:block;width:100%;max-width:100%;margin:8px 0 20px;padding:10px;border:1px solid #bacbd7;border-radius:7px;background:#f8fafc;color:var(--ink)}
.report-panel{padding:24px;margin:20px 0;border:1px solid #c5d3df;border-radius:14px;background:linear-gradient(135deg,#ffffffed,#eaf1f8db);box-shadow:0 18px 48px -40px #10223775;backdrop-filter:blur(14px)}.report-heading{display:flex;justify-content:space-between;align-items:start;gap:24px}.report-heading p{color:var(--muted)}.report-heading label{min-width:220px}.content-choices{border:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 24px}.content-choices legend{font-size:13px;margin-bottom:12px;font-weight:500}.content-choice{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid #bdcbd7;border-radius:10px;background:#ffffffb8;cursor:pointer;transition:background 180ms var(--ease),box-shadow 180ms var(--ease)}.content-choice:hover,.content-choice:has(input:checked){background:#edf4fc;border-color:#1767ad;box-shadow:0 0 0 2px #1767ad12}.content-choice input{width:20px;min-width:20px;margin:0;accent-color:#1767ad;cursor:pointer}.content-choice strong{display:block;font-size:14px}.content-choice small{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:5px}.report-panel>.small{margin-top:16px}#report-drawing{width:100%;height:100%;display:block;touch-action:none;cursor:grab;background:white}#report-drawing.picking{cursor:crosshair}#report-cursor{display:none;fill:#b93e2c;stroke:white;stroke-width:.6}#report-drawing.picking:focus #report-cursor{display:block}.recovered-image{display:block;width:100%;max-height:260px;object-fit:contain;margin-top:14px;border:1px solid var(--line);border-radius:6px;background:white}.settings .CL-applicability{display:flex;align-items:center}.settings .CL-applicability input{width:20px;min-width:20px;min-height:20px}.content-choice:has(input:focus-visible){outline:3px solid #267bb7;outline-offset:3px}#edit-report{margin-bottom:12px}
@media(max-width:760px){.report-panel{padding:16px}.report-heading{display:block}.report-heading label{min-width:0}.content-choices{grid-template-columns:1fr}.content-choice{padding:15px}.report-panel .drawing-toolbar{align-items:start}.report-panel .zoom-controls{gap:2px}}

/* Selection-grid pattern adapted from 21st.dev Interactive Image Selector (educalvolpz). */
.drawing-collection{margin:24px 0;padding:26px;border:1px solid #bdcdd9;border-radius:16px;background:linear-gradient(140deg,#ffffffed,#eaf2f8db);box-shadow:0 20px 55px -40px #10223780;backdrop-filter:blur(14px)}.collection-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:22px 0;max-height:780px;overflow:auto;padding:5px}.collection-card{min-width:0;border:1px solid #bdcdd9;border-radius:11px;padding:10px;background:#ffffffdf;box-shadow:0 4px 15px #10223708;transition:border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out}.collection-card:has(input:checked){border-color:#1767ad;box-shadow:0 0 0 2px #1767ad22}.collection-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #10223715}.collection-card label{display:flex;flex-direction:column;gap:10px;cursor:pointer;position:relative;min-height:44px}.collection-card input{position:absolute;top:10px;right:10px;width:24px;min-height:24px;accent-color:#1767ad;cursor:pointer}.collection-card:has(input:focus-visible){outline:3px solid #267bb7;outline-offset:3px}.collection-card img{width:100%;height:170px;object-fit:contain;background:white;border-radius:6px}.collection-card strong{font-size:14px}.collection-card small{color:var(--muted);font-size:12px}.collection-card .button{width:100%;margin-top:12px;font-size:12px}.collection-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 0 0;border-top:1px solid var(--line)}.collection-actions strong{margin-right:auto;font-size:14px}#back-collection{margin:0 8px 14px 0}#collection-add{margin:0 8px 10px 0}
@media(max-width:760px){.drawing-collection{padding:16px}.collection-cards{grid-template-columns:1fr;max-height:650px}.collection-actions{align-items:stretch;flex-direction:column}.collection-card img{height:190px}.collection-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){.collection-card{transition:none}.collection-card:hover{transform:none}}