:root{--paper: #ffffff;--field: #f5f6f7;--rule: #dcdfe2;--rule-strong: #b0b6bc;--ink: #16191c;--ink-soft: #5c636a;--gain: #117766;--loss: #aa1111;--ui: system-ui, -apple-system, "Segoe UI", sans-serif;--num: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--gap: 20px}*{box-sizing:border-box}body{margin:0;font:15px/1.55 var(--ui);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 24px;background:var(--paper);border-bottom:1px solid var(--rule-strong)}.topbar h1{font-size:16px;font-weight:600;letter-spacing:-.01em;margin:0;white-space:nowrap}.topbar .spacer{flex:1}.layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:28px;align-items:start}aside{position:sticky;top:49px;max-height:calc(100vh - 49px);overflow-y:auto;padding:18px 18px 48px;border-right:1px solid var(--rule);background:var(--field)}main{padding:20px 24px 0 0;display:flex;flex-direction:column;gap:var(--gap);min-width:0}h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-soft);margin:0 0 10px}h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0}h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin:20px 0 0;color:var(--ink-soft)}.panel{border:1px solid var(--rule);background:var(--paper);padding:14px;margin-top:16px}.field{display:grid;grid-template-columns:104px minmax(0,1fr) auto;align-items:center;gap:8px;margin-bottom:8px}.field.wide{grid-template-columns:104px minmax(0,1fr)}.field>span:first-child{color:var(--ink-soft);font-size:13px}.field input,.field select,textarea{font:inherit;padding:5px 7px;border:1px solid var(--rule-strong);background:var(--paper);color:var(--ink);min-width:0}.field input[type=number]{font-family:var(--num);font-variant-numeric:tabular-nums}:where(input,select,textarea,button,summary,[tabindex]):focus-visible{outline:2px solid var(--ink);outline-offset:1px}.unit{color:var(--ink-soft);font-size:12px;font-family:var(--num)}textarea{width:100%;font:inherit;padding:7px;border:1px solid var(--rule-strong);resize:vertical}.choices{display:flex;flex-wrap:wrap;gap:16px;margin:8px 0 12px}.choices label{display:flex;align-items:center;gap:6px}.hint{color:var(--ink-soft);font-size:13px;margin:6px 0}.problem{color:var(--loss);font-size:13px;margin:6px 0}.muted{color:var(--ink-soft)}button{font:inherit;padding:6px 14px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;margin-right:8px}button:disabled{border-color:var(--rule);background:var(--field);color:#9aa0a6;cursor:default}button.quiet{background:var(--paper);color:var(--ink);border-color:var(--rule-strong)}button.quiet:disabled{background:var(--paper);color:#b5babf;border-color:var(--rule)}.modes{display:flex;gap:0}.modes button{margin:0;padding:5px 16px}.modes button.quiet{border-color:var(--rule-strong)}.modes button+button{border-left:0}.room-list{list-style:none;margin:0 0 10px;padding:0}.room-list li{display:flex;align-items:stretch;gap:4px;margin-bottom:4px}.room-list li.selected .room-pick{border-color:var(--ink);background:#eceef0}.room-pick{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left;font:inherit;padding:6px 9px;border:1px solid var(--rule-strong);background:var(--paper);color:var(--ink);margin:0}.room-pick .muted{font-size:12px;font-family:var(--num)}.room-list .remove{padding:0 10px;margin:0;font-size:16px;line-height:1}.room-editor{border-top:1px solid var(--rule);margin-top:14px;padding-top:14px}.checkbox{display:flex;align-items:center;gap:6px;margin:12px 0 0}.summary{border-left:2px solid var(--rule-strong);padding-left:14px}.summary p{margin:6px 0}.headline{border-left:3px solid var(--gain);padding-left:12px;color:var(--gain);font-size:17px}.headline strong{font-family:var(--num);font-variant-numeric:tabular-nums}.shared{border:1px solid var(--rule);border-left:3px solid var(--ink);padding:10px 14px;font-size:14px;background:var(--field)}.shared b{font-family:var(--num);font-variant-numeric:tabular-nums;font-weight:600}.diagnostics{margin-top:8px;font-size:13px;color:var(--ink-soft)}.cleared{border:1px solid var(--loss);border-left:3px solid var(--loss);padding:10px 14px;font-size:13px;color:var(--loss);margin:0}.cleared button{margin-left:10px;padding:2px 10px}.candidate{border:1px solid var(--rule);border-top:2px solid var(--rule-strong);padding:18px}.candidate.baseline{border-top-color:var(--ink)}.candidate>header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.tag{margin-left:8px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.09em;border:1px solid var(--ink);padding:2px 6px;vertical-align:2px}.tag.small{font-size:9px;border-color:var(--gain);color:var(--gain)}.comparison{font-size:13px;font-family:var(--num)}.comparison.better{color:var(--gain)}.comparison.worse{color:var(--loss)}.comparison.same{color:var(--ink-soft)}.metrics{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 22px;margin:14px 0;padding:12px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}.metrics dt{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft)}.metrics dd{margin:0;font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}.metrics .varies dd{font-size:21px;color:var(--ink)}.metrics .constant dd{font-size:14px;color:var(--ink-soft)}.metrics .keepable dd{color:var(--gain)}.roll{margin:0 0 18px}.roll svg,.views svg{display:block;width:100%;height:auto}.roll svg{max-height:44vh}.roll figcaption,.views figcaption,.room-plans figcaption{font-size:12px;color:var(--ink-soft);margin-top:6px;line-height:1.4}.room-plans{overflow-x:auto}.room-plans .row{display:grid;gap:14px;align-items:end}.room-plans figure{margin:0;min-width:0}.room-plans figcaption strong{font-weight:600}.views{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.views figure{margin:0}details summary{cursor:pointer;font-size:13px;color:var(--ink-soft);margin-top:14px}.rationale{font-size:13px;color:var(--ink-soft)}.cutting-list{width:100%;border-collapse:collapse;font-size:13px;font-family:var(--num);font-variant-numeric:tabular-nums;margin-top:10px}.cutting-list th,.cutting-list td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--rule);white-space:nowrap}.cutting-list th{font-family:var(--ui);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft);font-weight:600}.cutting-list tr.scrap td{color:#9aa0a6}.verdict{margin-top:16px;padding-top:14px;border-top:1px solid var(--rule)}.verdict .best{display:flex;align-items:center;gap:7px;margin-top:10px;font-weight:500}.save{position:sticky;bottom:0;z-index:4;display:flex;flex-direction:column;gap:10px;margin-top:0;padding:12px 14px;background:var(--paper);border:1px solid var(--rule);border-top:2px solid var(--ink)}.save .row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.save h2{margin:0;white-space:nowrap}.save .why{display:flex;align-items:center;gap:8px;flex:1 1 320px;min-width:0}.save .why>span{color:var(--ink-soft);font-size:13px;white-space:nowrap}.save .why textarea{flex:1;min-width:0}.save button{margin-right:0}.save .hint,.save .saved-count{margin:0}.saved-count{color:var(--gain);font-size:13px;margin:0}.saved{color:var(--gain);font-size:13px;border:1px solid var(--gain);padding:10px 12px;margin:0}.saved button{margin-left:6px;padding:3px 10px}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:24px;z-index:20;overflow-y:auto}.welcome{background:var(--paper);border:1px solid var(--ink);padding:26px 30px;max-width:620px;max-height:calc(100vh - 48px);overflow-y:auto}.welcome h2{font-size:21px;text-transform:none;letter-spacing:-.01em;color:var(--ink);margin:0 0 4px}.welcome h3{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-soft);margin:22px 0 6px}.welcome p{margin:6px 0}.welcome ol{margin:6px 0;padding-left:20px}.welcome li{margin-bottom:6px}.welcome .warn{border-left:3px solid var(--loss);padding-left:12px}.welcome button{margin-top:24px}.setup-toggle{display:none}@media (max-width: 1100px){.layout{grid-template-columns:1fr;gap:0}.setup-toggle{display:inline-block}aside{display:none}aside.open{display:block;position:static;max-height:none;border-right:0;border-bottom:1px solid var(--rule-strong)}main{padding:16px 16px 0}.views{grid-template-columns:1fr}.roll svg{max-height:none}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
