:root {
  --bg: #0b0d11;
  --panel: #141821;
  --panel-2: #10141b;
  --text: #e8eef8;
  --muted: #a7b0c0;
  --accent: #4da3ff;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --chip: #1f2532;
  --bd: 1px solid #243042;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: #0b0d11;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.app {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 16px;
  min-height: 100vh;
  padding: 16px;
}

.left, .right {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card, .quickPanel, .modal {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: var(--bd);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .32);
}

.card { padding: 16px; }
h1, h2 { margin: 0; line-height: 1.1; }
h1 { font-size: 18px; }
h2 { font-size: 16px; }

.card-title, .builder-header, .quickHeader, .modalHeader, .quickSectionTitle, .modalActions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.toolbar, .tabs, .legend, .segmented, .view-controls, .builder-tools {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.builder-tools {
  justify-content: flex-end;
}

button, input, select {
  font: inherit;
  color: var(--text);
}

input, select {
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  background: #0c1117;
  border: var(--bd);
  border-radius: 7px;
  outline: none;
}

input:focus, select:focus { border-color: var(--accent); }

label {
  position: relative;
  color: var(--muted);
  font-size: 12px;
}

.labelRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.fieldHelp {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  outline: none;
}

.infoIcon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: var(--bd);
  border-radius: 999px;
  color: #bcd0ff;
  background: #101826;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.fieldHelp:hover .infoIcon,
.fieldHelp:focus .infoIcon,
.fieldHelp:focus-within .infoIcon {
  border-color: var(--accent);
  color: var(--text);
}

.helpCard {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 40;
  width: 230px;
  padding: 10px;
  border: var(--bd);
  border-radius: var(--radius);
  background: #0c1117;
  color: var(--text);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .48);
  font-size: 12px;
  line-height: 1.35;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity .14s ease, transform .14s ease;
}

.controlGrid label:nth-child(even) .helpCard {
  left: auto;
  right: 0;
}

.fieldHelp:hover .helpCard,
.fieldHelp:focus .helpCard,
.fieldHelp:focus-within .helpCard {
  opacity: 1;
  transform: translateY(0);
}

.helpSketch {
  display: block;
  width: 100%;
  height: 74px;
  margin-top: 8px;
}

.helpSketch rect,
.helpSketch path {
  fill: rgba(176, 143, 100, .34);
  stroke: rgba(232, 238, 248, .44);
  stroke-width: 1.5;
}

.helpSketch .canvasMini {
  fill: rgba(138, 180, 255, .62);
}

.helpSketch .supportMini {
  fill: rgba(176, 143, 100, .8);
}

.helpSketch .measurePulse {
  stroke: #4da3ff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 10 6;
  animation: measurePulse 1s ease-in-out infinite alternate;
}

@keyframes measurePulse {
  from {
    stroke-dashoffset: 0;
    opacity: .52;
  }
  to {
    stroke-dashoffset: 16;
    opacity: 1;
  }
}

.btn, .tabs button, .segmented button, .iconBtn, .presetItem {
  border: var(--bd);
  background: #0c1117;
  border-radius: 7px;
  padding: 9px 11px;
  cursor: pointer;
}

.btn.primary {
  border-color: #1769e0;
  background: #1769e0;
}

.btn.ghost, .iconBtn { background: transparent; }

.segmented button.active, .tabs button.active {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: inset 0 0 0 2px rgba(77, 163, 255, .18);
}

.segmented.fill button { flex: 1; }

.kvlist {
  display: grid;
  gap: 0;
  margin: 14px 0;
  border: var(--bd);
  border-radius: var(--radius);
  overflow: hidden;
}

.kvitem {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 10px;
  background: #0c1117;
  border-bottom: 1px solid rgba(36, 48, 66, .65);
  font-size: 13px;
}

.kvitem:last-child { border-bottom: none; }
.kvitem span { color: var(--muted); }
.kvitem b { text-align: right; font-weight: 600; }

.status {
  min-height: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.badge, .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: var(--bd);
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-size: 12px;
}

.badge.ok { color: #a7f3d0; border-color: #1d6b42; }
.badge.warn { color: #ffe1b7; border-color: #8a5a12; }
.badge.err { color: #ffd3d3; border-color: #893232; }

.swatch { width: 13px; height: 13px; border-radius: 3px; border: 1px solid rgba(255,255,255,.2); }
.swatch.frame { background: #8a5a3b; }
.swatch.liner { background: #b08f64; }
.swatch.canvas { background: #8ab4ff; }
.swatch.hardware { background: #93c5fd; }

.stage {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 12px 0;
}

.builderView {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  min-height: 0;
  align-items: start;
}

.builder-card {
  display: flex;
  flex-direction: column;
  height: min(810px, calc(100vh - 88px));
  min-height: 560px;
  min-width: 0;
}

.view-controls label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  border: var(--bd);
  border-radius: 999px;
  background: var(--chip);
}

.view-controls input { width: auto; margin: 0; }

.orientationPanel {
  position: relative;
  color: var(--muted);
  font-size: 12px;
}

.orientationPanel summary {
  list-style: none;
  cursor: pointer;
  border: var(--bd);
  border-radius: 999px;
  background: var(--chip);
  padding: 6px 10px;
}

.orientationPanel summary::-webkit-details-marker { display: none; }

.orientationGrid {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
  width: 300px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px;
  border: var(--bd);
  border-radius: var(--radius);
  background: #0c1117;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .45);
}

.orientationGrid input {
  padding: 7px 8px;
}

.orientationGrid button {
  padding: 7px 8px;
}

.orientationGrid button.active {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: inset 0 0 0 2px rgba(77, 163, 255, .18);
}

.canvas-wrap {
  min-height: 460px;
  min-width: 0;
  min-height: 0;
  flex: 1;
  margin-top: 14px;
  border: var(--bd);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0c1117;
}

.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.quickPanel {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quickSection {
  padding: 12px;
  border: var(--bd);
  border-radius: var(--radius);
  background: #0c1117;
}

.quickSectionTitle { margin-bottom: 10px; }
.quickSectionTitle span { font-size: 13px; font-weight: 600; }

.controlGrid {
  display: grid;
  gap: 10px;
}

.controlGrid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.controlGrid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.mountStatus {
  min-height: 22px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.okText { color: #a7f3d0; }
.warnText { color: #ffe1b7; }

.cuts {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
}

.cuts th, .cuts td {
  border: var(--bd);
  padding: 8px 9px;
  text-align: left;
  font-size: 13px;
}

.cuts th {
  color: #bcd0ff;
  background: #0e131b;
}

.cuts td:last-child {
  min-width: 280px;
}

.noteWithHelp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cutHelp {
  vertical-align: middle;
}

.cutHelp .helpCard {
  left: auto;
  right: 0;
}

.cutHelpCard {
  width: 560px;
}

.cutHelpCard b,
.cutHelpText {
  display: block;
}

.cutHelpText {
  margin-top: 4px;
  color: var(--muted);
}

.cutDiagram {
  display: block;
  width: 100%;
  height: 390px;
  margin-top: 10px;
}

.miterDiagram {
  display: block;
  width: 100%;
  height: 200px;
  margin-top: 10px;
}

.cutDiagram text,
.miterDiagram text {
  fill: var(--text);
  font-size: 10px;
}

.cutDiagram .dimText,
.miterDiagram .dimText {
  fill: #bcd0ff;
  font-size: 9px;
}

.cutDiagram .board {
  fill: rgba(176, 143, 100, .36);
  stroke: rgba(232, 238, 248, .42);
  stroke-width: 1.5;
}

.cutDiagram .profile {
  fill: none;
  stroke: #e8eef8;
  stroke-width: 3;
  stroke-linejoin: round;
}

.cutDiagram .keepProfile {
  fill: rgba(34, 197, 94, .34);
  stroke: none;
}

.cutDiagram .topProfile,
.miterDiagram .topProfile {
  fill: none;
  stroke: #e8eef8;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cutDiagram .topRemove {
  fill: none;
  stroke: rgba(248, 113, 113, .85);
  stroke-width: 3;
  stroke-linecap: round;
}

.cutDiagram .squiggle,
.miterDiagram .squiggle {
  fill: none;
  stroke: #c7c9cc;
  stroke-width: 1.4;
  opacity: .72;
}

.cutDiagram .remove {
  fill: rgba(239, 68, 68, .34);
  stroke: rgba(248, 113, 113, .8);
  stroke-width: 1.2;
}

.cutDiagram .ledge {
  fill: rgba(34, 197, 94, .42);
  stroke: rgba(167, 243, 208, .82);
  stroke-width: 1.2;
}

.cutDiagram .dimLine,
.miterDiagram .dimLine {
  stroke: #4da3ff;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.cutDiagram .gray,
.cutDiagram .tick,
.miterDiagram .gray,
.miterDiagram .tick {
  stroke: #c7c9cc;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.cutDiagram .grayText,
.miterDiagram .grayText {
  fill: #c7c9cc;
  font-size: 10px;
}

.cutDiagram .breakLine {
  stroke: #e8eef8;
  stroke-width: 1.6;
  opacity: .72;
}

dialog {
  width: min(820px, calc(100vw - 28px));
  border: none;
  padding: 0;
  background: transparent;
  color: var(--text);
}

dialog::backdrop { background: rgba(0,0,0,.62); }
.modal { padding: 16px; }
.modalHeader { margin-bottom: 14px; }
.modalActions { justify-content: flex-end; margin-top: 14px; }

.presetList {
  display: grid;
  gap: 8px;
}

.presetItem {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  text-align: left;
}

.presetItem small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.hidden { display: none !important; }

@media (max-width: 1120px) {
  .app, .builderView { grid-template-columns: 1fr; }
  .builder-card { height: auto; min-height: 480px; }
  .canvas-wrap { min-height: 460px; }
}

@media (max-width: 700px) {
  .app { padding: 10px; }
  .controlGrid.two, .controlGrid.three { grid-template-columns: 1fr; }
  .builder-header, .card-title { align-items: flex-start; flex-direction: column; }
  .canvas-wrap { min-height: 340px; }
}