/* ========== Reset-ish ========== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1f1d1a;
  background: #f7f5f1;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid #c8c3b8;
  border-bottom-width: 2px;
  border-radius: 3px;
  background: #fff;
  font: 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #4a463e;
}
code {
  font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #ede9df;
  padding: 1px 4px;
  border-radius: 3px;
}

/* ========== Topbar ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #2b2824;
  color: #f7f5f1;
  border-bottom: 1px solid #1a1917;
  gap: 12px;
}
.topbar-left { display: flex; align-items: baseline; gap: 12px; }
.topbar-right { display: flex; gap: 8px; }
.topbar h1 { font-size: 15px; letter-spacing: 0.2px; }
.hint { color: #a7a096; font-size: 12px; }

/* ========== Buttons ========== */
.btn {
  padding: 6px 12px;
  border: 1px solid #bfb6a6;
  background: #f7f5f1;
  color: #1f1d1a;
  border-radius: 4px;
  cursor: pointer;
  transition: background 100ms;
}
.btn:hover { background: #eee8db; }
.btn:active { background: #e3dcc9; }
.btn-secondary { background: transparent; color: #f7f5f1; border-color: #6a645a; }
.btn-secondary:hover { background: #3a3631; }
.btn-primary { background: #4a6a4a; color: #fff; border-color: #365036; }
.btn-primary:hover { background: #3f5e3f; }
.btn-danger { background: #fff; color: #8a2e2e; border-color: #d4a8a8; }
.btn-danger:hover { background: #fbecec; }

/* ========== Layout ========== */
.layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  height: calc(100vh - 49px);
  min-height: 500px;
}
.photo-pane {
  position: relative;
  background: #1f1d1a;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.controls-pane {
  border-left: 1px solid #d8d2c3;
  background: #fbf9f4;
  overflow-y: auto;
  padding: 14px;
}

/* ========== SVG stage ========== */
.svg-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
#stage {
  width: 100%;
  height: 100%;
  user-select: none;
}
#stage image { pointer-events: none; }

/* Editor vs view visibility */
body[data-mode="view"] .edit-only { display: none; }
body[data-mode="edit"] .view-only { display: none; }
body[data-mode="view"] #editor-layer { display: none; }
body[data-mode="edit"] .photo-pane { cursor: crosshair; }
body[data-mode="edit"] #stage { cursor: crosshair; }
body[data-mode="edit"][data-panning="true"] #stage { cursor: grab; }
body.before-active .recolor-layer { display: none; }

#editor-layer .mask-polygon {
  fill: rgba(255, 180, 60, 0.22);
  stroke: #ffb43c;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  cursor: pointer;
}
#editor-layer .mask-polygon.surface-siding { fill: rgba(180, 120, 80, 0.28); stroke: #c07a3c; }
#editor-layer .mask-polygon.surface-trim   { fill: rgba(230, 230, 230, 0.30); stroke: #e0e0e0; }
#editor-layer .mask-polygon.surface-stucco { fill: rgba(240, 210, 160, 0.28); stroke: #d6b56a; }
#editor-layer .in-progress-line {
  fill: none;
  stroke: #ffd76a;
  stroke-width: 2;
  stroke-dasharray: 5 4;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
#editor-layer .vertex {
  fill: #fff;
  stroke: #1f1d1a;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

/* ========== Surface tabs ========== */
.surface-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}
.surface-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #d0c7b4;
  background: #fff;
  color: #1f1d1a;
  border-radius: 4px;
  cursor: pointer;
  justify-content: center;
}
.surface-tab.is-active {
  border-color: #1f1d1a;
  background: #fff7e6;
  box-shadow: inset 0 0 0 1px #1f1d1a;
}
.surface-swatch {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 3px;
  background: #bbb;
  border: 1px solid rgba(0,0,0,0.15);
}
.edit-surface-tabs .surface-tab { padding: 6px 8px; }

/* ========== Selection readout ========== */
.selection-readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid #e5dec9;
  border-radius: 4px;
  background: #fff;
  margin-bottom: 10px;
}
.selection-color { display: flex; align-items: center; gap: 10px; }
.big-swatch {
  width: 36px; height: 36px;
  border-radius: 4px;
  background: #eee;
  border: 1px solid rgba(0,0,0,0.15);
}
.selection-name { font-weight: 600; }
.selection-code { font: 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; color: #6a645a; }
.exposure {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  font-size: 11px;
  color: #6a645a;
}
.exposure input { width: 110px; }
.exposure-val { font: 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ========== Search ========== */
#color-search {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid #d0c7b4;
  border-radius: 4px;
  background: #fff;
  margin-bottom: 10px;
}

/* ========== Palette ========== */
.palette {
  border: 1px solid #e5dec9;
  border-radius: 4px;
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
}
.palette-group { border-top: 1px solid #ede5d0; }
.palette-group:first-child { border-top: none; }
.palette-group-title {
  padding: 6px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #6a645a;
  background: #faf5e8;
  position: sticky; top: 0;
  border-bottom: 1px solid #ede5d0;
}
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 4px;
  padding: 6px;
}
.swatch {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.18);
  transition: transform 80ms, box-shadow 80ms;
}
.swatch:hover {
  transform: scale(1.08);
  z-index: 1;
  box-shadow: 0 3px 8px rgba(0,0,0,0.25);
}
.swatch.is-selected {
  outline: 2px solid #1f1d1a;
  outline-offset: 2px;
  z-index: 1;
}
.swatch-tooltip {
  position: fixed;
  white-space: nowrap;
  background: #1f1d1a;
  color: #fff;
  padding: 3px 6px;
  border-radius: 3px;
  font-size: 11px;
  pointer-events: none;
  z-index: 1000;
  transform: translateX(-50%);
}
.swatch-tooltip[hidden] { display: none; }

/* ========== Combos ========== */
.combos { margin-bottom: 12px; }
.combos-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}
.combos-header h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: #6a645a; }
.combos-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.combo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: #fff;
  border: 1px solid #e5dec9;
  border-radius: 4px;
  cursor: pointer;
}
.combo:hover { background: #fff7e6; }
.combo-swatches { display: flex; gap: 2px; }
.combo-swatches span {
  width: 16px; height: 16px;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,0.15);
}
.combo-name { flex: 1; font-weight: 500; }
.combo-delete {
  border: 0;
  background: transparent;
  color: #8a2e2e;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
}
.combo-delete:hover { color: #b73534; }

/* ========== Disclaimer ========== */
.disclaimer {
  font-size: 11px;
  color: #6a645a;
  margin: 8px 2px 0;
  line-height: 1.45;
}

/* ========== Edit mode pane ========== */
.edit-only h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #6a645a;
  margin-bottom: 6px;
}
.edit-only p.hint { margin: 0 0 10px; color: #4a463e; }
.shortcuts {
  list-style: none;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #e5dec9;
  border-radius: 4px;
  background: #fff;
  font-size: 12px;
  line-height: 1.8;
}
.shortcuts li { display: flex; gap: 8px; align-items: baseline; }
.edit-counts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 10px 0;
}
.edit-count {
  padding: 8px;
  text-align: center;
  background: #fff;
  border: 1px solid #e5dec9;
  border-radius: 4px;
}
.edit-count-num { font: 600 18px/1 -apple-system, sans-serif; color: #1f1d1a; }
.edit-count-label { font-size: 11px; color: #6a645a; text-transform: uppercase; letter-spacing: 0.6px; }
.edit-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.edit-actions .btn-primary { grid-column: span 2; }

/* ========== Photo note (no image) ========== */
.photo-note {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff7e6;
  border: 1px solid #d6b56a;
  color: #3a3631;
  padding: 16px 22px;
  border-radius: 6px;
  max-width: 360px;
  text-align: center;
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.photo-note code { background: #f4ead0; }

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 55vh 1fr;
    height: auto;
  }
  .controls-pane { border-left: none; border-top: 1px solid #d8d2c3; }
}