:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --border: #d9dde3;
  --text: #1d2330;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #dbe7ff;
  --danger: #b42318;
  --danger-soft: #fde8e7;
  --ok: #15803d;
  --viewport: #e9ecf1;
  --case: #f5f1e8;
  --front: #c9d3df;
  --front-stroke: #5b6b7f;
  --line: #3b4250;
  --bore-system: #6b7280;
  --bore-cup: #c2410c;
  --bore-plate: #a16207;
  --bore-slide: #0e7490;
  --band: #16a34a;
  --groove: #9aa4b2;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --panel: #1a1e26;
    --panel-2: #20252f;
    --border: #2e3440;
    --text: #e6e9ef;
    --muted: #9aa3b2;
    --accent: #6ea0ff;
    --accent-soft: #1e2b47;
    --danger: #ff8a80;
    --danger-soft: #3a1d1c;
    --ok: #4ade80;
    --viewport: #171b22;
    --case: #3a3833;
    --front: #3d4a5a;
    --front-stroke: #9fb1c6;
    --line: #c9d0db;
    --bore-system: #9aa3b2;
    --bore-cup: #fb923c;
    --bore-plate: #facc15;
    --bore-slide: #22d3ee;
    --band: #4ade80;
    --groove: #5d6676;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

button, input, select { font: inherit; color: inherit; }

button {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger:hover { border-color: var(--danger); color: var(--danger); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button:disabled:hover { border-color: var(--border); color: inherit; }

input, select {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 6px;
  min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type="color"] { width: 36px; height: 26px; padding: 1px 2px; cursor: pointer; }

.app {
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: 48px 1fr;
  height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; }
.brand span { color: var(--accent); }
.topbar .project-name { width: 220px; }
.spacer { flex: 1; }
.save-status { color: var(--muted); font-size: 12px; min-width: 70px; }
.save-status.error { color: var(--danger); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 8px;
  color: var(--muted);
}
.icon-btn:hover { color: var(--text); }

.sidebar {
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 10px 12px 24px;
}

h3 {
  margin: 14px 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.add-row { display: flex; flex-wrap: wrap; gap: 6px; }

.cab-list { list-style: none; margin: 4px 0 0; padding: 0; }
.loc-head {
  display: flex;
  width: 100%;
  margin-top: 10px;
  padding: 4px 8px;
  border-color: transparent;
  background: transparent;
  font-weight: 600;
  text-align: left;
}
.loc-head.active { border-color: var(--accent); background: var(--accent-soft); }
.loc-head .dims { margin-left: auto; color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
.loc-empty { margin: 4px 8px; }
.other-menu { position: relative; }
.other-menu > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  user-select: none;
}
.other-menu > summary::-webkit-details-marker { display: none; }
.other-menu > summary:hover, .other-menu[open] > summary { border-color: var(--accent); }
.other-menu .caret { font-size: 12px; line-height: 1; color: var(--muted); }
.other-list {
  position: absolute;
  z-index: 20;
  top: calc(100% + 4px);
  left: 0;
  min-width: 140px;
  padding: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}
.other-item { display: block; width: 100%; text-align: left; border-color: transparent; background: transparent; }
.other-sep { margin: 4px 6px; border: 0; border-top: 1px solid var(--border); }
.other-item:hover { background: var(--accent-soft); border-color: transparent; }
.cab-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
}
.cab-list li:hover { background: var(--panel-2); }
.cab-list li.active { background: var(--accent-soft); border-color: var(--accent); }
.cab-list .dims { color: var(--muted); font-variant-numeric: tabular-nums; margin-left: auto; }
.cab-list .err { color: var(--danger); }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; }
.field { display: flex; flex-direction: column; gap: 2px; }
.field > span { color: var(--muted); font-size: 11px; }
.field.wide { grid-column: 1 / -1; }
.units-note { grid-column: 1 / -1; margin: 0; }
.units-note button { margin-left: 6px; }
.front-stack { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 8px; }
.front-sec { border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px 8px; background: var(--panel-2); }
.front-sec-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.front-sec-head .muted { font-weight: normal; }
.front-sec-tools { display: flex; gap: 2px; }
.front-sec-tools .icon-btn { min-width: 26px; }
.field > input:not([type="checkbox"]), .field > select { width: 100%; }
.size-ref { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin: 8px 0; font-size: 12px; }
.size-ref table { width: auto; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.size-ref th, .size-ref td { width: auto; padding: 2px 8px; border: 1px solid var(--border); text-align: right; }
.size-ref th { color: var(--muted); font-weight: 500; text-align: left; }
.field > input[type="checkbox"] { align-self: flex-start; margin: 4px 0; }
.field > input[type="color"] { width: 56px; height: 30px; padding: 2px; }

.error {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 6px;
  padding: 6px 8px;
  margin: 8px 0;
}
.muted { color: var(--muted); margin: 0 0 10px; }

.workspace {
  display: grid;
  grid-template-rows: 38px 1fr 230px;
  min-width: 0;
  min-height: 0;
}

.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tabs button { border-color: transparent; background: transparent; }
.tabs button.active { background: var(--accent-soft); border-color: var(--accent); }
.tabs label { display: flex; align-items: center; gap: 4px; color: var(--muted); }

.view { position: relative; min-height: 0; background: var(--viewport); overflow: hidden; }
.view > .pane { position: absolute; inset: 0; }
.view > .pane[hidden] { display: none; }
.view canvas { width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; }
.view canvas:active { cursor: grabbing; }
.view svg { width: 100%; height: 100%; display: block; }
.view .hint {
  position: absolute;
  left: 10px;
  bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}
.view .view-tools { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; }
.pane.scroll { overflow: auto; padding: 12px; background: var(--panel); }

.bottom { border-top: 1px solid var(--border); background: var(--panel); overflow: auto; }

table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { position: sticky; top: 0; background: var(--panel-2); font-weight: 600; z-index: 1; }
td.num, th.num { text-align: right; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
tbody tr.active { background: var(--accent-soft); }

.totals { display: flex; gap: 24px; flex-wrap: wrap; margin: 12px 0; color: var(--muted); }
.totals b { display: block; font-size: 16px; color: var(--text); }
.totals .grand { padding-left: 24px; border-left: 1px solid var(--border); }
.totals .grand b { color: var(--accent); }
.band-swatch { width: 12px; height: 12px; border-radius: 2px; border: 1px solid var(--border); margin-right: 5px; vertical-align: -2px; }
.pane.scroll > h3:first-of-type { margin-top: 4px; }

.part-layout { display: grid; grid-template-columns: 1fr 300px; height: 100%; }
.part-layout .ops { overflow: auto; border-left: 1px solid var(--border); background: var(--panel); padding: 10px; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; vertical-align: -1px; }

/* SVG drawings */
/* Elevation: one wall or island at a time */
.elev-layout { display: flex; flex-direction: column; height: 100%; }
.elev-layout > svg { flex: 1 1 0; min-height: 0; width: 100%; }
.elev-tabs { flex: none; }
.el-wall { fill: var(--line); opacity: 0.06; }

/* Plan view: the room from above, and the room editor */
.plan-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; height: 100%; }
.plan-layout svg.plan { width: 100%; height: 100%; background: var(--viewport); }
.room-editor { overflow-y: auto; padding: 10px 14px 18px; border-left: 1px solid var(--border); background: var(--panel); }
.room-editor h3:first-child { margin-top: 2px; }
.room-item { margin: 6px 0 8px; padding: 8px 10px 10px; border: 1px solid var(--border); border-radius: 8px; }
.room-item > .danger { margin-top: 8px; }
.pl-wall { fill: var(--line); opacity: 0.55; }
.pl-wall.active { fill: var(--accent); opacity: 0.8; }
.pl-base, .pl-tall, .pl-upper { stroke: var(--line); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.pl-base { fill: var(--case); }
.pl-tall { fill: var(--front); }
.pl-upper { fill: none; stroke-dasharray: 6 4; }
.pl-space { fill: none; stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 2 4; vector-effect: non-scaling-stroke; }
.pl-space.selected { stroke: var(--accent); stroke-width: 3; }
.el-space { fill: none; stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 4 6; vector-effect: non-scaling-stroke; }
.el-space.selected { stroke: var(--accent); stroke-width: 3; }
.pl-base.selected, .pl-tall.selected, .pl-upper.selected { stroke: var(--accent); stroke-width: 3; }
.pl-base.err, .pl-tall.err, .pl-upper.err { stroke: var(--danger); }
.pl-top { fill: var(--accent-soft); opacity: 0.5; stroke: var(--accent); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.pl-label { fill: var(--muted); font-weight: 600; }
@media (max-width: 900px) {
  .plan-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) 45%; }
  .room-editor { border-left: 0; border-top: 1px solid var(--border); }
}

.dw-case { fill: var(--case); stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.dw-case.selected { stroke: var(--accent); stroke-width: 3; }
.dw-front { fill: var(--front); stroke: var(--front-stroke); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.dw-swing { fill: none; stroke: var(--front-stroke); stroke-width: 0.8; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
.dw-line { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; fill: none; }
.dw-dim { stroke: var(--muted); stroke-width: 0.8; vector-effect: non-scaling-stroke; }
.dw-text { fill: var(--text); font-family: system-ui, sans-serif; }
.dw-muted { fill: var(--muted); font-family: system-ui, sans-serif; }
.dw-part { fill: var(--case); stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.dw-groove { fill: var(--groove); fill-opacity: 0.45; stroke: var(--groove); stroke-dasharray: 4 3; vector-effect: non-scaling-stroke; }
.dw-pocket { fill: var(--groove); fill-opacity: 0.55; stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.dw-band { stroke: var(--band); stroke-width: 5; vector-effect: non-scaling-stroke; }
.dw-notch { fill: var(--bg); stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.bore-system { fill: var(--bore-system); }
.bore-hingeCup { fill: var(--bore-cup); fill-opacity: 0.85; }
.bore-hingePlate { fill: var(--bore-plate); }
.bore-slide { fill: var(--bore-slide); }
.cab-hit { cursor: pointer; }

/* Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: rgb(0 0 0 / 0.35);
}
.modal {
  display: flex;
  flex-direction: column;
  width: min(980px, 100%);
  max-height: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgb(0 0 0 / 0.25);
  overflow: hidden;
}
.modal.narrow { width: min(560px, 100%); }
.modal-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.modal-head h2 { margin: 0; font-size: 15px; }
.modal-head .tabs { border: 0; padding: 0; background: transparent; }
.modal-body { overflow: auto; padding: 14px 16px 18px; }
.table-wrap { overflow-x: auto; }
table.library td { padding: 3px 6px; }
table.library input:not([type="checkbox"]):not([type="color"]), table.library select { width: 100%; }
table.library td:nth-child(2) { min-width: 180px; }
table.library td.num input { width: 80px; text-align: right; }
table.library td.used { color: var(--muted); }
table.band-type-table { width: auto; }
table.band-type-table td:first-child { min-width: 220px; }
table.size-table { width: auto; }
table.paint-table { width: 100%; max-width: 620px; table-layout: fixed; }
table.paint-table th, table.paint-table td { padding: 3px 4px; }
table.paint-table input { width: 100%; min-width: 0; }
table.paint-table th:nth-child(2), table.paint-table th:nth-child(4) { width: 14%; }
table.paint-table th:nth-child(3), table.paint-table th:nth-child(5) { width: 17%; }
table.paint-table th:last-child { width: 34px; }
table.paint-table button { padding: 2px 8px; }
.paint-part-row { display: flex; align-items: center; gap: 12px; }
.paint-part-row select { flex: 0 1 180px; }
.paint-edges { display: inline-flex; align-items: center; gap: 4px; }
table.size-table td.num input { width: 90px; }
table.size-table td.used { white-space: nowrap; }
table.drawer-size-table { width: 100%; max-width: 440px; table-layout: fixed; }
table.drawer-size-table th, table.drawer-size-table td { padding: 3px 4px; }
table.drawer-size-table td:nth-child(2) { min-width: 0; white-space: nowrap; }
table.drawer-size-table td.num input { width: 100%; min-width: 0; }
table.drawer-size-table th:first-child { width: 22%; }
table.drawer-size-table th:nth-child(3) { width: 28%; }
table.drawer-size-table th:last-child { width: 34px; }
table.drawer-size-table button { padding: 2px 8px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 4px 28px; }
.settings-grid .span-all { grid-column: 1 / -1; }
table.band-table { width: auto; }
table.band-table td { padding: 3px 14px 3px 0; }
table.band-table select { min-width: 200px; }
table.band-table label.check { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.project-list td:first-child { width: 100%; white-space: normal; }
.project-list tr.current td:first-child { font-weight: 600; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; grid-template-rows: 48px auto 1fr; height: auto; min-height: 100vh; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .workspace { grid-template-rows: 38px 60vh auto; }
  .part-layout { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .topbar { flex-wrap: wrap; height: auto; padding: 6px 12px; }
  .topbar .project-name { width: 140px; }
}

/* Per-cabinet construction */
.badge {
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
}
.cab-list .row-gear { width: 24px; height: 24px; flex: none; border-color: transparent; background: transparent; }
.cab-list .row-gear:hover { border-color: var(--accent); }
.cab-list .row-gear.custom { color: var(--accent); }
.field.overridden > span { color: var(--accent); font-weight: 600; }
.field.overridden > input, .field.overridden > select { border-color: var(--accent); }
.field > span .reset {
  margin-left: 4px;
  padding: 0 5px;
  border-radius: 4px;
  font-size: 11px;
  line-height: 16px;
}

/* 3D visibility panel */
.visibility { position: absolute; top: 10px; left: 10px; z-index: 2; }
.visibility-panel {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 210px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.12);
}
.visibility-panel label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.visibility-panel hr { width: 100%; border: 0; border-top: 1px solid var(--border); margin: 4px 0; }
.visibility-panel .muted { margin: 4px 0 0; font-size: 11px; }
th.eye, td.eye { width: 28px; padding-right: 0; text-align: center; }
tbody tr.dim td:not(.eye) { opacity: 0.45; }

/* Nesting */
.nest-toolbar { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.nest-toolbar .field { width: 110px; }
.nest-group h2 { font-size: 15px; margin: 18px 0 8px; }
.nest-group h2 .muted { font-weight: 400; font-size: 13px; }
.nest-group h2 .grain-toggle { font-weight: 400; font-size: 13px; margin-left: 10px; display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.nest-toolbar .field:has(input[type="checkbox"]) { width: auto; }
.sheet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 14px; }
.sheet { margin: 0; padding: 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel-2); }
.sheet svg { width: 100%; height: auto; display: block; }
.sheet figcaption { color: var(--muted); font-size: 12px; margin-top: 4px; }
.nest-sheet { fill: var(--panel); stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.nest-trim { fill: none; stroke: var(--muted); stroke-width: 0.8; stroke-dasharray: 6 4; vector-effect: non-scaling-stroke; }
.nest-part { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.nest-label { fill: #1d2330; font-family: system-ui, sans-serif; pointer-events: none; }

@media print {
  .topbar, .sidebar, .tabs, .bottom, .nest-toolbar button, .nest-toolbar .field, .grain-toggle { display: none !important; }
  .app, .workspace { display: block; height: auto; }
  .view { overflow: visible; background: none; }
  .view > .pane:not(.nesting) { display: none; }
  .view > .pane.nesting { position: static; overflow: visible; }
  .sheet { break-inside: avoid; }
  .sheet-grid { grid-template-columns: 1fr 1fr; }
}

/* Nesting optimizer */
.nest-toolbar .field:has(select) { width: 220px; }
.nest-status { color: var(--muted); }
.nest-status.busy { color: var(--accent); }

.cnc-pick { margin: 6px 0; border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; background: var(--panel-2); }
.cnc-pick summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
.cnc-pick table { margin: 4px 0 8px; }
.cnc-pick tr.dim td { color: var(--muted); }
.cnc-pick td.err { color: var(--danger); }
.cnc-settings { margin: 12px 0; }
.cnc-settings summary { cursor: pointer; font-weight: 600; }
.cnc-part { fill: var(--panel-2); stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.cnc-feed { fill: none; stroke: var(--accent); stroke-width: 1; vector-effect: non-scaling-stroke; }
.cnc-rapid { fill: none; stroke: var(--muted); stroke-width: 0.6; stroke-dasharray: 4 4; opacity: 0.6; vector-effect: non-scaling-stroke; }
.cnc-origin { fill: var(--danger); }
.cnc-pocket { fill: var(--groove); fill-opacity: 0.55; stroke: none; }
.cnc-save { float: right; margin-top: -4px; }
.nest-group.stale { opacity: 0.55; transition: opacity 0.2s; }
.sheet-list { margin-top: 6px; }
.sheet-list summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.sheet-list table { margin-top: 4px; font-size: 12px; }
.sheet-list td, .sheet-list th { padding: 2px 6px; }

@media print {
  .sheet-list { display: block; }
  .sheet-list summary { display: none; }
  .sheet-list > table { display: table; }
  .nest-toolbar { display: none; }
}

/* Cabinet list reordering */
.cab-list li { position: relative; }
.cab-list .grip { color: var(--muted); cursor: grab; letter-spacing: -2px; user-select: none; }
.cab-list li.dragging { opacity: 0.4; }
.cab-list li.drop-before { box-shadow: inset 0 2px 0 var(--accent); }
.cab-list li.drop-after { box-shadow: inset 0 -2px 0 var(--accent); }
.cab-list li.filler > span:nth-child(2) { font-style: italic; }
.hint-small { font-size: 11px; margin: -2px 0 0; }

/* Settings: section nav on the left, the page scrolls on the right */
.modal.settings-modal { width: min(1240px, 100%); }
.settings-layout { flex: 1; min-height: 0; display: grid; grid-template-columns: 200px minmax(0, 1fr); }
.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px 10px;
  border-right: 1px solid var(--border);
  background: var(--panel-2);
  overflow-y: auto;
}
.settings-nav-group { display: flex; flex-direction: column; gap: 2px; }
.settings-nav-group h4 {
  margin: 0 0 2px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}
.settings-nav button { width: 100%; text-align: left; border-color: transparent; background: transparent; padding: 6px 8px; }
.settings-nav button:hover { background: var(--panel); }
.settings-nav button.active { background: var(--accent-soft); border-color: var(--accent); font-weight: 600; }
.settings-nav-foot { margin-top: auto; padding-top: 8px; }
.settings-nav-foot button { border-color: var(--border); background: var(--panel); text-align: center; }
.settings-content { overflow-y: auto; padding: 18px 24px 28px; }
.settings-page { display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.settings-page.wide { max-width: none; }
.settings-page > h2 { margin: 0; font-size: 18px; }
.settings-page > p.muted { margin: -8px 0 0; }
.settings-page > section + p.override-note { margin: 6px 0 -6px; }
.settings-page > section { min-width: 0; padding: 12px 16px 14px; border: 1px solid var(--border); border-radius: 10px; }
.settings-page section > h3:first-child { margin-top: 0; }
.settings-page section > p.muted:last-child { margin-bottom: 0; }
.settings-page .fields { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.settings-page section > .fields + p.muted, .settings-page section > .fields + .table-wrap { margin-top: 8px; }
.settings-page table.library select { min-width: 110px; }
.settings-page table.library td.num input { width: 76px; min-width: 76px; }
.settings-page table.library td:nth-child(2) { min-width: 150px; }
.settings-page table.library td.used { white-space: nowrap; }
.settings-page table.library input[type="color"] { width: 40px; }
@media (max-width: 700px) {
  .settings-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .settings-nav { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 8px 10px; }
  .settings-nav-group { flex-direction: row; }
  .settings-nav-group h4 { display: none; }
  .settings-nav button { width: auto; white-space: nowrap; }
  .settings-nav-foot { margin: 0; padding: 0; }
  .settings-content { padding: 14px 16px 22px; }
}

/* Cabinet construction dialog */
.modal.large { width: min(1600px, 100%); height: 100%; }
.modal.large .modal-body { flex: 1; min-height: 0; }
.modal.large .settings-grid section { min-width: 0; }
.cab-nav { display: flex; align-items: center; gap: 4px; }
.cab-nav select { min-width: 160px; font-weight: 600; }
.cab-nav .icon-btn { font-size: 18px; }

/* Part drawing of a case side */
.ops .segmented { border: 0; padding: 0; background: none; margin-bottom: 4px; }
.ops label.check { display: flex; align-items: center; gap: 6px; padding: 2px 0; cursor: pointer; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.swatch.hidden-line { border-radius: 0; height: 0; border-top: 2px dashed var(--muted); }
.hole-table { font-size: 12px; }
.hole-table td, .hole-table th { padding: 2px 6px; }
.dw-ext { fill: none; stroke: var(--muted); stroke-width: 0.6; vector-effect: non-scaling-stroke; }
.dw-center { stroke: var(--accent); stroke-width: 0.8; stroke-dasharray: 10 3 2 3; vector-effect: non-scaling-stroke; }
.dw-hidden { fill: none; stroke: var(--line); stroke-width: 0.8; stroke-dasharray: 6 4; opacity: 0.6; vector-effect: non-scaling-stroke; }

@media print {
  body.print-drawing .topbar, body.print-drawing .sidebar, body.print-drawing .tabs, body.print-drawing .bottom,
  body.print-drawing .part-layout .ops { display: none !important; }
  body.print-drawing .app, body.print-drawing .workspace { display: block; height: auto; }
  body.print-drawing .view { overflow: visible; background: none; }
  body.print-drawing .view > .pane.nesting { display: none !important; }
  body.print-drawing .view > .pane.part { display: block !important; position: static; height: 95vh; }
  body.print-drawing .part-layout { display: block; height: 100%; }
}

/* Materials (supply list) */
.supply-title { font-size: 16px; margin: 12px 0 0; }
.supply-table { width: auto; min-width: min(760px, 100%); margin-bottom: 8px; }
.supply-table td.qty { font-weight: 600; }
.supply-table tr.total-row td { border-top: 2px solid var(--border); font-weight: 600; }
.supply-table td.muted-cell { color: var(--muted); white-space: normal; }
.supply-note { margin-top: 14px; font-size: 12px; }

@media print {
  body.print-supplies .view > .pane.nesting { display: none !important; }
  body.print-supplies .view > .pane.supplies { display: block !important; position: static; overflow: visible; }
  body.print-supplies .supply-actions { display: none; }
}