:root{--bg: #f5f2ec;--surface: #ffffff;--ink: #1f2326;--muted: #5d6368;--line: #ddd7cd;--accent: #7a4a2a;--accent-ink: #ffffff;--selected: #f3e9df;--stage: linear-gradient(180deg, #ebe6dd 0%, #f5f2ec 70%);color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #17191b;--surface: #212427;--ink: #ecebe8;--muted: #a3a7aa;--line: #34383c;--accent: #d39a6a;--accent-ink: #17191b;--selected: #2e2925;--stage: linear-gradient(180deg, #24272a 0%, #17191b 75%);color-scheme:dark}}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.45 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}h1,h2{margin:0;letter-spacing:-.01em}h1{font-size:26px}h2{font-size:20px}button{font:inherit;cursor:pointer;border-radius:8px;padding:10px 16px;border:1px solid transparent}.primary{background:var(--accent);color:var(--accent-ink);font-weight:600}.primary:hover{filter:brightness(1.06)}.ghost{background:transparent;color:var(--ink);border-color:var(--line)}button[aria-busy=true]{opacity:.75;cursor:progress}.top{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:8px 24px;padding:20px 24px 12px;max-width:1400px;margin:0 auto}.top p{margin:2px 0 0;color:var(--muted)}.notice{font-size:12px;padding:4px 10px;border:1px dashed var(--line);border-radius:999px;color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:20px;padding:0 24px 24px;max-width:1400px;margin:0 auto}#stage{position:relative;background:var(--stage);border-radius:14px;overflow:hidden;height:calc(100vh - 120px);min-height:460px;position:sticky;top:16px}#stage canvas{width:100%;height:100%;display:block;touch-action:none;cursor:grab}#stage canvas:active{cursor:grabbing}.view-tools{position:absolute;left:12px;top:12px;z-index:2;display:flex;gap:8px}.view-seg{display:flex;border-radius:8px;overflow:hidden;border:1px solid var(--line)}.view-seg button,.view-toggle{font-size:13px;padding:6px 12px;border:0;border-radius:0;color:var(--ink);background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.view-seg button+button{border-left:1px solid var(--line)}.view-toggle{border:1px solid var(--line);border-radius:8px}.view-seg button[aria-pressed=true],.view-toggle[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}.dim-label{font:600 12px/1 ui-sans-serif,system-ui,sans-serif;font-variant-numeric:tabular-nums;white-space:nowrap;padding:4px 7px;border-radius:6px;background:#1a2024db;color:#fff;border:1px solid #e39a45}.stage-status{position:absolute;inset:0;display:grid;place-items:center;margin:0;color:var(--muted);pointer-events:none}.stage-bar{position:absolute;left:12px;right:12px;bottom:12px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.size{margin:0;padding:6px 10px;border-radius:8px;font-size:13px;font-variant-numeric:tabular-nums;background:color-mix(in srgb,var(--surface) 85%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.stage-actions{display:flex;gap:8px}.stage-actions .ghost{background:color-mix(in srgb,var(--surface) 85%,transparent)}.ar-status{position:absolute;right:12px;bottom:64px;max-width:320px;margin:0;padding:8px 12px;border-radius:8px;background:var(--surface);border:1px solid var(--line);font-size:13px}.qr{position:absolute;right:12px;bottom:64px;width:220px;padding:12px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:13px;text-align:center}.qr p{margin:8px 0 0;color:var(--muted)}.qr svg{width:100%;height:auto;display:block;border-radius:6px}.panel{display:flex;flex-direction:column;gap:12px}#options{display:flex;flex-direction:column;gap:14px}fieldset{border:0;margin:0;padding:0}legend{font-weight:650;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}.choices{display:grid;gap:6px}.choice{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer}.choice:has(.swatch){grid-template-columns:auto auto 1fr auto}.choice:has(input:checked){border-color:var(--accent);background:var(--selected);box-shadow:inset 0 0 0 1px var(--accent)}.choice:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.choice input{position:absolute;opacity:0;pointer-events:none}.choice:before{content:"";width:16px;height:16px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface)}.choice:has(input:checked):before{border:5px solid var(--accent)}.swatch{width:22px;height:22px;border-radius:6px;border:1px solid rgb(0 0 0 / .15)}.text{display:flex;flex-direction:column;min-width:0}.name{font-weight:550}.detail{font-size:13px;color:var(--muted)}.price{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.choice:has(input:checked) .price{color:var(--ink)}.total-bar{position:sticky;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:0 -6px 20px #0000000f}.total-label{display:block;font-size:12px;color:var(--muted)}#total{font-size:24px;font-variant-numeric:tabular-nums}.total-plus{display:block;font-size:12px;color:var(--muted)}.fine{font-size:12px;color:var(--muted);margin:0}dialog{width:min(560px,calc(100vw - 32px));max-height:calc(100vh - 32px);border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);padding:20px}dialog::backdrop{background:#00000073}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.dialog-head .ghost{padding:4px 10px}.sheet{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:16px}.sheet th,.sheet td{text-align:left;padding:6px 4px;border-bottom:1px solid var(--line);vertical-align:top}.sheet th{font-weight:550;color:var(--muted);width:32%}.sheet td:last-child{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.sheet .sum th,.sheet .sum td{color:var(--ink);font-weight:650;border-bottom:0}.sheet .sum td:nth-child(2){font-weight:400;font-size:12px;color:var(--muted)}#quote-form{display:grid;gap:10px}#quote-form label{display:grid;gap:4px;font-size:14px;font-weight:550}.opt{font-weight:400;color:var(--muted)}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.form-error{margin:0;color:#b3261e;font-size:14px}@media(prefers-color-scheme:dark){.form-error{color:#f2b8b5}}input,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px}@media(max-width:900px){.top{padding:16px 16px 10px}h1{font-size:22px}.layout{grid-template-columns:minmax(0,1fr);padding:0 16px 16px;gap:14px}#stage{position:relative;top:0;height:58vh;min-height:340px}.size{font-size:12px}.stage-actions button{padding:8px 12px;font-size:14px}#reset-view{display:none}}