:root{--ink:#243c37;--muted:#64736b;--green:#234e40;--paper:#f7f6f1;--line:#dedfd5;--accent:#c58552;--error:#963d2f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{height:92px;max-width:1440px;margin:auto;padding:0 5%;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-size:14px;letter-spacing:.13em;color:var(--ink);font-weight:750;text-decoration:none}.mark{font-size:40px;font-weight:400;color:var(--green)}.brand-sub{display:block;font-size:9px;letter-spacing:.19em;margin-top:3px;color:var(--muted)}.header-right{font-size:12px;display:flex;gap:8px;align-items:center}.local-dot{color:#62836b}.version{border:1px solid var(--line);padding:2px 8px;margin-left:14px}main{max-width:1320px;margin:auto;padding:0 34px}.intro{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:52px 0 36px}.eyebrow{font-size:10px;letter-spacing:.19em;font-weight:700;color:var(--green);margin:0 0 13px}h1{font:48px/1.12 Georgia,serif;letter-spacing:-.035em;margin:0 0 20px}.lead{font-size:15px;max-width:570px;color:var(--muted);margin:0}.intro-note{border-left:1px solid var(--line);padding:15px 0 15px 30px;max-width:245px}.intro-note>span{font:25px Georgia,serif;color:var(--accent)}.intro-note p{font-weight:600}.intro-note small{color:var(--muted)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;background:#e9ece4;border:1px solid var(--line)}.mode span{font-size:10px;font-weight:750;letter-spacing:.12em;background:#d9c8ae;color:#604125;padding:5px 8px;display:inline-block}.mode small{display:block;font-size:11px;margin-top:5px}.mode.real span{background:#d5e3da;color:var(--green)}.actions{display:flex;gap:8px;flex-wrap:wrap}button,select,input,textarea{font:inherit}button{border:1px solid #c5cec3;border-radius:4px;background:#fffdf8;color:var(--ink);padding:10px 13px;font-size:12px;font-weight:650;cursor:pointer}button:hover{background:#e3e9df}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #bd8752;outline-offset:2px}button.primary{background:var(--green);color:white;border-color:var(--green)}button.primary:hover{background:#31644f}button:disabled{opacity:.45;cursor:not-allowed}#status{font-size:12px;color:var(--muted);padding:12px 0;min-height:42px;margin:0}#status.bad{color:var(--error)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:22px;align-items:start}.panel{background:#fffefb;border:1px solid var(--line);border-radius:5px;margin-bottom:18px;padding:24px}.section-heading{display:flex;align-items:center;gap:13px;margin-bottom:22px}.section-heading p{font-size:11px;margin:3px 0 0;color:var(--muted)}h2{font-size:17px;letter-spacing:-.02em;margin:0 0 12px}.section-heading h2{margin:0}.step{font-size:11px;color:var(--green);border:1px solid #b9c9bc;display:grid;place-items:center;width:31px;height:31px;flex-shrink:0}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field-grid.four{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.field-grid .wide{grid-column:1/-1}label{display:block;font-size:11px;font-weight:600;margin-bottom:13px}input,select,textarea{display:block;width:100%;background:#fff;border:1px solid #cdd3c9;border-radius:3px;color:var(--ink);padding:10px 9px;margin-top:5px;min-width:0;font-size:13px}textarea{resize:vertical}label small{font-size:10px;font-weight:400;color:var(--muted);display:block;margin-top:5px}.hint{font-size:11px;color:var(--muted);line-height:1.6;margin:10px 0 16px}h3{font-size:12px;font-weight:650;margin:19px 0 10px}h3 small{font-size:10px;font-weight:400;color:var(--muted);display:inline-block;margin-left:5px}.rule{padding:13px;background:#f3f4ee;border:1px solid #e0e3d8;margin:15px 0;font-size:11px}.rule summary{cursor:pointer;font-weight:650}.rule p{margin:10px 0 0}.calculate{width:100%;display:flex;justify-content:space-between;font-size:14px;padding:15px}.preview-panel{background:#eef0e8}.tag{font-size:9px;font-weight:700;color:#80643e;letter-spacing:.09em;margin-left:auto}#preview{min-height:280px;display:grid;place-items:center;padding:15px 0}#preview svg{width:100%;height:310px;max-width:460px}.legend{display:flex;gap:14px;justify-content:center;font-size:10px;flex-wrap:wrap}.swatch{display:inline-block;width:9px;height:9px;margin-right:5px}.wood{background:#8b6343}.cream{background:#eae1cd}.green{background:#738d7d}.art{background:#b5c4c2}.summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #cfd7c9;margin-top:18px;padding-top:18px;gap:13px}.summary small{display:block;color:var(--muted);font-size:10px}.summary strong{font-size:15px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px;text-align:left}th{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line);padding:10px 5px}td{padding:10px 5px;border-bottom:1px solid #eceee4}td:first-child{font-weight:550}table caption{text-align:left;font-weight:650;margin-bottom:8px}.total{display:flex;justify-content:space-between;border-top:1px solid #c4ccbe;padding-top:14px;margin-top:12px;font-size:18px}.total small{font-size:10px}.stick{padding:12px 0;border-bottom:1px solid var(--line)}.stick-head{font-size:11px;display:flex;justify-content:space-between;gap:15px}.segments{display:flex;margin:10px 0 6px;gap:2px;background:#e7e9e0;padding:3px;height:25px;border-radius:3px;overflow:hidden}.segment{background:#739181;min-width:2px}.offcut{background:#cdd5c7}.cutlabels{font-size:10px;color:var(--muted);overflow-wrap:anywhere}.warning{background:#fff2e1;border:1px solid #dfbd89;padding:12px;font-size:12px;color:#79551c;margin:12px 0}.invalid{border-color:var(--error);background:#fff7f4}.field-error{font-size:10px;color:var(--error);margin:4px 0}.empty{font:20px Georgia,serif;color:var(--muted);padding:30px;text-align:center}#errorBox{padding:14px;background:#fff2e9;color:var(--error);font-size:12px;margin-bottom:12px}footer{margin:50px 0 28px;padding-top:20px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}footer details{max-width:860px}footer a{color:var(--green)}dialog{border:1px solid #bdc9bb;border-radius:8px;max-width:570px;width:calc(100% - 36px);padding:28px;color:var(--ink);box-shadow:0 15px 70px #172a3455}dialog::backdrop{background:#1b332c80}dialog p{font-size:13px}dialog .actions{justify-content:flex-end}.export-panel p{font-size:12px;color:var(--muted)}
@media(max-width:960px){main{padding:0 22px}.toolbar{align-items:flex-start;flex-direction:column}.workspace{grid-template-columns:1fr 1fr}.field-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{padding:18px}.intro-note{max-width:190px}.intro{gap:22px}h1{font-size:40px}}
@media(max-width:700px){header{height:74px;padding:0 18px}.brand{font-size:11px}.brand-sub{font-size:8px}.mark{font-size:30px}.header-right{font-size:10px}.version{display:none}main{padding:0 16px}.intro{padding:32px 0 26px}.intro-note{display:none}h1{font-size:38px}.lead{font-size:13px}.workspace{grid-template-columns:1fr}.toolbar{padding:14px}.actions{gap:7px}button{min-height:40px}.toolbar button{font-size:11px;padding:8px 10px}.panel{padding:20px 16px}.output{margin-top:6px}#preview svg{height:290px}footer{margin-top:28px}.field-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.field-grid.four input{padding:9px 5px;font-size:12px}}
@media print{header,.intro,.toolbar,#status,form,footer,.export-panel,dialog,.rule,.legend{display:none!important}main{max-width:none;padding:0}.workspace{display:block}.panel{break-inside:avoid;padding:12px;margin:0 0 10px;background:white!important}.output{display:block}#preview{min-height:0}#preview svg{height:180px}body{background:white;font-size:11px}.summary{gap:8px}.panel h2{font-size:14px}.hint{font-size:9px}.tag{font-size:12px}.segments{-webkit-print-color-adjust:exact;print-color-adjust:exact}a{color:inherit}}