:root { --ink: #2b2723; --paper: #fbfaf7; --line: rgba(43, 39, 35, 0.14); --accent: #b8823a; --bg: #efece6; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif; }
.bar { display: flex; gap: 16px; align-items: center; padding: 10px 16px; background: var(--paper); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.bar h1 { font-size: 17px; margin: 0; flex: 1; }
.brand { color: var(--accent); text-decoration: none; font-weight: 700; }
.bar .demo { font-size: 13px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; background: #fff; }
.pdfpages { margin-top: 10px; }
.pdfgrid { display: flex; gap: 8px; flex-wrap: wrap; }
.pdfpage { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 6px; margin: 0; background: #fff; }
.pdfpage img { width: 120px; height: 120px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
.pdfpage.on { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(184, 130, 58, 0.35); }
.warn { background: #fff4e3; border: 1px solid #e3b46a; color: #5d4a2c; border-radius: 8px; padding: 8px 10px; font-size: 13px; margin: 0 0 8px; }
#bootFail { position: sticky; top: 0; z-index: 9; background: #fff2e0; color: #6b3d00; padding: 10px 16px; border-bottom: 1px solid #e9c48f; font-size: 13px; }
.account { display: flex; gap: 8px; align-items: center; font-size: 13px; }
button, select, input[type=password], input[type=text] { font: inherit; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
button { cursor: pointer; }
button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
button.on { background: var(--ink); color: #fff; }
button:disabled { opacity: 0.5; cursor: default; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; padding: 16px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .bar { gap: 8px 12px; padding: 10px 12px; }
  .bar h1 { order: -1; flex: 1 1 100%; font-size: 16px; }
  .account { margin-left: auto; }
  .layout { padding: 10px; gap: 10px; }
  .step { padding: 12px; }
}
.step { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; }
.step h2 { font-size: 15px; margin: 0 0 10px; }
.step h2 small { font-weight: 400; color: #8a8178; }
.hint { color: #6f675e; font-size: 12.5px; margin: 6px 0; }
.drop { display: grid; place-items: center; min-height: 160px; border: 2px dashed rgba(43, 39, 35, 0.25); border-radius: 12px; cursor: pointer; text-align: center; padding: 16px; color: #6f675e; }
.drop.over { border-color: var(--accent); background: #fff8ee; }
.tools { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.floorbar { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.floortabs { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.floortabs button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.floorset { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; padding: 8px 10px; border: 1px dashed rgba(32, 96, 200, 0.45); border-radius: 8px; background: #f2f6fd; font-size: 13px; }
.floorset input[type=number] { width: 70px; padding: 3px 6px; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
.floorset .nudge { display: inline-flex; gap: 3px; align-items: center; }
.floorset button { padding: 3px 8px; font-size: 12.5px; margin: 0; }
.floorset small { color: #5a6b85; }
.stephead { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.stephead h2 { margin: 0; flex: 1; }
.winctl { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.winctl button { font-size: 12px; padding: 4px 8px; }
.winctl button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.planresize { height: 10px; margin: 2px 0 0; cursor: ns-resize; border-radius: 0 0 8px 8px; background: repeating-linear-gradient(90deg, transparent 0 46%, rgba(43, 39, 35, 0.25) 46% 54%, transparent 54% 100%) center / 40px 3px no-repeat; touch-action: none; }
.planresize:hover { background-color: rgba(43, 39, 35, 0.06); }
#step-edit.folded .editbody { display: none; }
#step-edit[data-size=small] { --plan-max: 40vh; }
#step-edit[data-size=large] { --plan-max: 88vh; }
.layout.wide { grid-template-columns: 1fr; }
#step-edit.full { position: fixed; inset: 0; z-index: 50; margin: 0; border-radius: 0; overflow: auto; --plan-max: calc(100vh - 170px); }
#step-edit.full .plan { aspect-ratio: auto; height: calc(100vh - 170px); }
.tools .zoom { display: inline-flex; gap: 4px; margin-left: auto; }
.tools .zoom button { min-width: 34px; }
.plan { width: 100%; aspect-ratio: 4 / 3; height: auto; max-height: var(--plan-max, min(75vh, 720px)); background: #f3f1ec; border-radius: 10px; border: 1px solid var(--line); touch-action: none; display: block; }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; margin-top: 6px; color: #6f675e; align-items: center; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 4px; vertical-align: -2px; }
#scaleInfo { margin-left: auto; }
.selpanel { margin-top: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.room { display: grid; grid-template-columns: 1fr 120px; gap: 6px; margin-bottom: 6px; }
.room input { width: 100%; }
.room select.unsure { border-color: #d08a2a; background: #fff6e6; }
.row { display: flex; gap: 6px; align-items: center; margin: 6px 0; }
#aiKey { width: 100%; }
.catalog { display: grid; grid-template-columns: minmax(0, 1fr); gap: 5px; max-height: 520px; overflow: auto; }
.catalog h3 { grid-column: 1 / -1; font-size: 12.5px; margin: 8px 0 0; color: #6f675e; }
.item { display: flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 4px; font-size: 12.5px; background: #fff; cursor: pointer; }
.item img { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; background: #eee; flex: none; }
.item .nm { flex: 1; min-width: 0; }
.item .sz { display: block; color: #8a6a3a; font-size: 11px; }
.item .sz .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-left: 4px; vertical-align: -1px; box-shadow: 0 0 0 1px rgba(43, 39, 35, 0.3); }
.item .szbtn { margin: 0; padding: 2px 6px; font-size: 11px; border-radius: 6px; flex: none; }
.sizebox { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; padding: 8px; border: 1px dashed rgba(184, 130, 58, 0.6); border-radius: 8px; background: #fffaf1; font-size: 12.5px; }
.sizebox b { width: 100%; font-size: 12.5px; }
.sizebox input { width: 64px; padding: 4px 6px; font: inherit; border: 1px solid var(--line); border-radius: 6px; }
.sizebox button { margin: 0 0 0 4px; padding: 3px 8px; font-size: 12px; }
.sizebox small { width: 100%; color: #6f675e; }
.finish { width: 100%; display: flex; flex-direction: column; gap: 5px; margin-top: 6px; padding-top: 6px; border-top: 1px dashed rgba(184, 130, 58, 0.4); }
.finish .frow { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.finish .frow > span { width: 30px; }
.finish input[type=color] { width: 44px; height: 28px; padding: 0 2px; }
.finish select { padding: 3px 6px; font-size: 12.5px; }
.finish .frow small { width: auto; }
.finish .photo button { margin: 0; }
.swatches { display: flex; gap: 6px; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px rgba(43, 39, 35, 0.25); padding: 0; margin: 0; }
.step button { margin: 4px 4px 0 0; }
.foot { text-align: center; font-size: 12px; }
.foot a { color: #8a8178; }
[hidden] { display: none !important; }

/* house exterior step */
.extpic img { width: 96px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid #ddd; }
.extpic .btn { cursor: pointer; padding: 4px 8px; border: 1px solid #ccc; border-radius: 6px; font-size: 12.5px; }
.extform label.row { justify-content: space-between; }
.extform input[type=range] { flex: 1; min-width: 90px; }