*{box-sizing:border-box}body{margin:0;background:#f1f2f3;color:#181818;font-family:Arial,Helvetica,sans-serif;font-size:16px}button,input,select{font:inherit}button{cursor:pointer;border:1px solid #c9cdd0;background:white;border-radius:4px;padding:10px 14px;color:#222}button:hover{background:#eee}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #858585;outline-offset:2px}.primary{background:#202020;color:white;border-color:#202020}.primary:hover{background:#444}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 28px;background:white;border-bottom:1px solid #ccc}.brand{font-size:28px;font-weight:800;letter-spacing:-1px;display:flex;align-items:center;gap:17px}.brand span{font-size:13px;letter-spacing:2px;font-weight:500;border-left:1px solid #bbb;padding-left:17px}.actions{display:flex;gap:8px;flex-wrap:wrap}main{display:grid;grid-template-columns:340px minmax(0,1fr);min-height:calc(100vh - 85px)}aside{padding:25px 22px;background:white;border-right:1px solid #ccc;height:calc(100vh - 85px);overflow:auto;position:sticky;top:0}.project{padding-bottom:12px}label{font-size:14px;display:block;color:#333;margin-bottom:6px}input,select{min-height:40px;border:1px solid #b8bdc1;background:white;border-radius:3px;padding:8px;min-width:0;width:100%;color:#111}#name{font-size:18px;font-weight:600}.small{font-size:14px;line-height:1.5;color:#666}details{border-top:1px solid #dedede;padding:17px 0}summary{font-weight:600;cursor:pointer;font-size:16px;margin-bottom:12px}details:not([open]) summary{margin-bottom:0}.field{margin:14px 0}.pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}.unit{position:relative}.unit input{padding-right:30px}.unit span{position:absolute;right:10px;top:12px;font-size:13px;color:#777;pointer-events:none}.field-help{font-size:13px;color:#666;line-height:1.45;margin-top:5px}.reset{width:100%;margin-top:20px}.workspace{padding:25px 30px;min-width:0}.workspace-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}h1{font-size:24px;margin:0 0 8px;font-weight:600}.workspace-head p{margin:0 0 24px;color:#666;font-size:14px}.tag{font-size:12px;letter-spacing:1px;border:1px solid #aaa;padding:7px 9px;white-space:nowrap}.viewbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #ccc;padding-bottom:12px}.tabs{display:flex;gap:5px}.tabs button{border:0;background:none;color:#777;border-radius:0;padding:12px 9px}.tabs button.active{color:#111;border-bottom:2px solid #111;font-weight:600}.window{display:flex;align-items:center;gap:10px}.window label{white-space:nowrap;margin:0}.window select{font-size:14px;width:180px}#range{display:flex;gap:15px;margin:15px 0}#range[hidden]{display:none}#range input{width:150px;display:block}.paper-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#666;padding:15px 0}.paper-controls button{padding:5px 10px;font-size:14px}.paper-scroll{overflow:auto;height:calc(100vh - 300px);min-height:440px;background:#e1e3e5;padding:28px;border:1px solid #d2d5d7}#paper{width:100%;max-width:950px;margin:auto;background:white;box-shadow:0 3px 12px #0001;line-height:0}#paper svg{width:100%;height:auto}.footnote{font-size:13px;line-height:1.5;color:#666}#error{background:#fff;border:1px solid #a44;color:#822;padding:12px;margin:12px 0;font-size:14px}.invalid{border-color:#a44;background:#fff8f8}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:13px 20px;background:#222;color:white;border-radius:4px;display:none;z-index:20;font-size:14px}@media(max-width:950px){header{padding:16px;align-items:flex-start}.brand{font-size:24px}.brand span{display:none}main{grid-template-columns:285px minmax(0,1fr)}aside{padding:20px 16px}.workspace{padding:20px 15px}.viewbar{flex-wrap:wrap;gap:8px}.workspace-head .tag{display:none}.actions button{padding:8px 10px;font-size:14px}}@media(max-width:650px){header{display:block}.actions{margin-top:15px}main{display:flex;flex-direction:column}aside{height:auto;position:static;border-right:0;border-bottom:1px solid #ccc}.project{display:grid;grid-template-columns:1fr}.workspace{padding:20px 12px}.paper-scroll{height:65vh;min-height:350px;padding:10px}.paper-controls{flex-wrap:wrap}#inputs details:not(:first-child){ }h1{font-size:22px}}

.pavement-summary{font-size:14px;line-height:1.6;padding:13px 0;border-bottom:1px solid #ddd;color:#333}.pavement-summary strong{font-weight:600}
[hidden]{display:none!important}.material-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0}.material-toolbar h2{font-size:22px;margin:0}.material-toolbar label{display:flex;align-items:center;gap:10px;margin:0}.material-toolbar select{width:180px;font-size:14px}.totals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0}.totals>div{border:1px solid #bfc4c7;background:white;padding:18px}.totals span{display:block;font-size:14px;color:#666;line-height:1.4}.totals strong{display:block;font-size:25px;margin-top:10px}.totals small{font-size:14px;display:block;color:#666;margin-top:6px}.quantity-section{margin:28px 0}.quantity-section h3{font-size:18px;font-weight:600;margin:0 0 12px}.table-scroll{overflow-x:auto;margin:12px 0;border:1px solid #ccd0d3;background:white}table{border-collapse:collapse;width:100%;font-size:14px;text-align:right}th,td{padding:12px 14px;border-bottom:1px solid #ddd;white-space:nowrap}th{background:#eee;font-weight:600}th:first-child,td:first-child{text-align:left}tbody tr:last-child td{border-bottom:0}.tabs{flex-wrap:wrap}.actions{max-width:850px}.viewbar{flex-wrap:wrap}@media(max-width:800px){.totals{grid-template-columns:1fr}.material-toolbar{align-items:flex-start;flex-direction:column}.totals strong{font-size:23px}}
.detail-tools{padding:16px 0;border-bottom:1px solid #ccc}.detail-controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px}.detail-controls label{margin:0;width:170px}.detail-controls select{width:100%}.detail-controls button{min-height:40px}.saved-details{display:flex;flex-wrap:wrap;gap:10px}.saved-details>div{border:1px solid #ccc;background:white;padding:10px;font-size:14px;line-height:1.8}.saved-details button{margin-left:8px;padding:5px 8px;font-size:14px}.drain-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:20px 0}.drain-actions h2{font-size:20px;margin:0 12px 0 0}.drain-card{background:white;padding:16px;border:1px solid #ccc;margin:12px 0}.route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.check{display:flex;align-items:center;gap:8px;margin:14px 0}.check input{width:20px;min-height:20px}.drain-note{padding:12px;border:1px solid #888;background:white;font-size:14px;line-height:1.5}#drain-tools{max-width:1200px}@media(max-width:850px){.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:550px){.route-grid{grid-template-columns:1fr}.detail-controls label{width:calc(50% - 10px)}}

.section-tools{padding:16px 0;border-bottom:1px solid #ccc}

button[hidden]{display:none!important}.paper-controls{position:sticky;top:0;background:#f1f2f3;z-index:2}#drawing-return{font-size:14px;font-weight:600;padding:9px 14px}.pdf-options{margin-top:12px;padding:12px 0 0}.pdf-options summary{font-size:14px;color:#555;font-weight:500}.pdf-options .detail-controls{margin:14px 0}.pdf-options label{width:220px}.detail-tools>p{margin-bottom:8px}

#timing-controls{margin-top:16px;border-top:2px solid #222}.timing-field{display:block;margin:12px 0}.timing-field select{width:100%}.timing-point{border-top:1px solid #bbb;padding:12px 0}.timing-point label{display:block;margin:8px 0}.timing-actions{display:flex;flex-wrap:wrap;gap:6px}#timing-controls .unit input{width:100%;min-width:0}

.customer-project{border:1px solid #bfc9bb;background:#fff;padding:16px 18px;margin:0 0 22px;font-size:14px;line-height:1.5}.customer-project>strong{font-size:18px}.customer-project p{margin:8px 0}.customer-project button{margin-top:10px}.customer-project details{margin:10px 0}.customer-project details p{margin:5px 0}.customer-warning{color:#87400c}