:root {
  --bg: #f4f3ef;
  --panel: #ffffff;
  --ink: #1f2320;
  --muted: #6d726c;
  --line: #dddbd3;
  --accent: #4a5a46;
  --accent-ink: #ffffff;
  --ok: #2f8a3f;
  --warn: #b7791f;
  --bad: #c92a2a;
  --sel: #1c7ed6;
  --field: #fafaf7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #171917;
    --panel: #212421;
    --ink: #e8eae6;
    --muted: #9aa097;
    --line: #353a35;
    --accent: #8fa889;
    --accent-ink: #111;
    --field: #1b1d1b;
    --ok: #69c47a;
    --warn: #e0a84a;
    --bad: #ff6b6b;
    --sel: #4dabf7;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.4 system-ui, -apple-system, 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
}
button, .btn, select, input { font: inherit; color: inherit; }
button, .btn {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: default; }
button.danger:hover { border-color: var(--bad); color: var(--bad); }
button.icon { padding: 2px 6px; line-height: 1; }
button.wide { width: 100%; margin-top: 8px; }
select, input[type='number'], input:not([type]), input[type='text'] {
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 6px;
  min-width: 0;
}
input[type='color'] { width: 34px; height: 24px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: none; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.ok { color: var(--ok); }
.warnc { color: var(--warn); }
.bad { color: var(--bad); }
.nowrap { white-space: nowrap; }
.sep { flex: 0 0 1px; align-self: stretch; background: var(--line); margin: 0 4px; }

.top {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex-wrap: wrap;
}
.brand { font-weight: 700; margin-right: 8px; letter-spacing: 0.02em; }
#projSel { max-width: 220px; }
#saveState { margin-left: auto; }
.banner { padding: 6px 12px; }

.wrap { flex: 1; display: flex; min-height: 0; }
.side {
  width: 330px;
  flex: 0 0 330px;
  border-right: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.tabs { display: flex; gap: 2px; padding: 6px 8px 0; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 6px 10px; }
.tabs button.on { border-bottom-color: var(--accent); font-weight: 600; }
.pane { display: none; overflow: auto; padding: 10px; flex: 1; }
.pane.on { display: block; }

fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 10px; padding: 6px 10px 8px; }
legend { color: var(--muted); font-size: 12px; padding: 0 4px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 4px 0; }
.row > span { flex: 1; }
.row input[type='number'] { width: 80px; text-align: right; }
.row select { max-width: 190px; }
.row.chk { justify-content: flex-start; }
.row.chk > span { flex: none; }
.derived { border-top: 1px solid var(--line); padding-top: 8px; display: grid; gap: 3px; }
.setfit { margin-top: 6px; display: grid; gap: 2px; }

.card { border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 8px; display: grid; gap: 6px; }
.card.set.on { border-color: var(--accent); }
.card.set { cursor: pointer; }
.cardhead { display: flex; gap: 6px; align-items: center; }
.cardhead .name { flex: 1; font-weight: 600; }
.dims { display: flex; gap: 6px; align-items: end; flex-wrap: wrap; }
.dims label { display: grid; font-size: 11px; color: var(--muted); }
.dims input { width: 58px; }
.dims select { flex: 1 1 100%; }
.note { width: 100%; font-size: 12px; }
.chk { display: inline-flex; gap: 4px; align-items: center; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.main.split { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto 1fr; }
.main.split > .tabs { grid-column: 1 / 3; }
.view { display: none; flex-direction: column; min-height: 0; flex: 1; }
.view.on { display: flex; }
.main.split #view-3d { border-right: 1px solid var(--line); }
.toolbar { display: flex; gap: 6px; align-items: center; padding: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }

.canvas { position: relative; flex: 1; min-height: 260px; }
.canvas canvas { width: 100%; height: 100%; display: block; touch-action: none; }
#hud { position: absolute; left: 10px; bottom: 8px; color: var(--muted); font-size: 12px; pointer-events: none; }

.layout-wrap { flex: 1; min-height: 200px; padding: 8px; display: flex; }
#layoutSvg { width: 100%; height: 100%; max-height: 62vh; user-select: none; touch-action: none; }
#layoutSvg .comp { fill: var(--panel); stroke: var(--ink); stroke-width: 1; }
#layoutSvg .grid { stroke: var(--line); stroke-width: 0.25; }
#layoutSvg .grid5 { stroke: var(--line); stroke-width: 0.7; }
#layoutSvg .complabel { font-size: 8px; fill: var(--muted); }
#layoutSvg .rollzone { fill: none; stroke: var(--muted); stroke-dasharray: 4 3; stroke-width: 0.6; }
#layoutSvg .item .shape.unk { stroke-dasharray: 3 2; }
#layoutSvg .divider { fill: var(--accent); opacity: 0.8; cursor: grab; stroke: transparent; stroke-width: 8; }
#layoutSvg .divider.sel { fill: var(--sel); opacity: 1; }
#layoutSvg .item { cursor: grab; }
#layoutSvg .item .shape { fill-opacity: 0.55; stroke: var(--ink); stroke-width: 0.6; }
#layoutSvg .item.warn .shape { stroke: var(--warn); stroke-width: 1.4; stroke-dasharray: 3 2; }
#layoutSvg .item.err .shape { stroke: var(--bad); stroke-width: 1.6; }
#layoutSvg .item.sel .shape { stroke: var(--sel); stroke-width: 2; }
#layoutSvg .ilabel { text-anchor: middle; fill: var(--ink); pointer-events: none; paint-order: stroke; stroke: var(--panel); stroke-width: 1.5px; }
#layoutSvg .ilabel.sub { fill: var(--muted); }

#fitReport { padding: 0 10px 10px; overflow: auto; max-height: 34vh; }
.fitsum { font-weight: 600; margin: 4px 0; }
table { border-collapse: collapse; width: 100%; }
td, th { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
table.fit tr { cursor: pointer; }
table.fit tr.err td:nth-child(3) { color: var(--bad); }
table.fit tr.warn td:nth-child(3) { color: var(--warn); }
table.fit tr.sel td:first-child { box-shadow: inset 3px 0 var(--sel); }

.pattern-wrap { flex: 1; overflow: auto; padding: 12px; background: #fff; }
.pattern-wrap svg { display: block; height: auto; }
.legend { padding: 6px 12px; margin: 0; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
.lg { display: inline-block; width: 22px; height: 0; vertical-align: middle; margin: 0 4px 0 10px; border-top: 2px solid #111; }
.lg.seam { border-top: 1px dashed #777; }
.lg.zip { border-top: 3px solid #d9480f; }
.lg.mark { border-top: 1px dashed #1c7ed6; }

.cutlist { padding: 12px 16px; overflow: auto; flex: 1; }
.cutlist h3 { margin: 16px 0 6px; font-size: 14px; }
.markers { display: flex; gap: 16px; flex-wrap: wrap; }
.markers figure { margin: 0; width: 260px; }
.markers figcaption { font-size: 12px; color: var(--muted); }
.marker { width: 100%; height: auto; max-height: 360px; }
.marker .fabric { fill: none; stroke: var(--muted); stroke-dasharray: 8 6; stroke-width: 2; }
.marker .pc { fill: var(--accent); fill-opacity: 0.25; stroke: var(--accent); stroke-width: 2; }
.marker .bad { fill: var(--bad); fill-opacity: 0.3; }
.marker text { fill: var(--ink); }

@media (max-width: 900px) {
  .wrap { flex-direction: column; }
  .side { width: auto; flex: none; max-height: 45vh; border-right: 0; border-bottom: 1px solid var(--line); }
  .main.split { display: flex; }
  .canvas { min-height: 320px; }
}