body.hinged-door-page {
  margin: 0;
  background: var(--wb-bg);
  color: var(--wb-text);
  font-family: var(--wb-font);
}

.site-themebar { z-index: 100; }
.site-theme-select { width: 142px; }

.hdc-shell { min-height: 100vh; }

.hdc-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(360px, 1fr) minmax(300px, 420px);
  gap: var(--wb-gap);
  padding: var(--wb-gap);
  background: var(--wb-bg);
  overflow: hidden;
}

.hdc-controls,
.hdc-preview-panel,
.hdc-ratio-panel {
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-radius);
  overflow: hidden;
  min-height: 0;
}

.hdc-preview-panel,
.hdc-ratio-panel { display: grid; grid-template-rows: auto minmax(0, 1fr); }

.stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.hdc-file-grid {
  display: grid;
  gap: 8px;
}

.hdc-file-slot {
  min-height: 72px;
  align-items: flex-start;
}

.hdc-file-slot input[type="file"] {
  max-width: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.previewArea { min-height: 0; }

.previewCard { min-height: 0; height: 100%; }

.canvasWrap,
.doorRatioWrap {
  background-color: var(--wb-view-bg);
  background-image:
    linear-gradient(45deg, color-mix(in srgb, var(--wb-grid-minor) 80%, transparent) 25%, transparent 25%),
    linear-gradient(-45deg, color-mix(in srgb, var(--wb-grid-minor) 80%, transparent) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--wb-grid-minor) 80%, transparent) 75%),
    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--wb-grid-minor) 80%, transparent) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-radius);
  display: grid;
  place-items: center;
  overflow: auto;
  position: relative;
  min-width: 0;
}

.canvasWrap {
  padding: 20px;
  min-height: 100%;
}

.doorRatioWrap {
  padding: 10px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.doorEdgeOverlay {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--wb-control-radius);
  border: 1px solid var(--wb-window-line);
  background: color-mix(in srgb, var(--wb-window-bg) 88%, transparent);
  backdrop-filter: blur(4px);
  pointer-events: none;
  color: var(--wb-text);
  font-size: 12px;
  font-weight: 750;
}

.doorEdgeOverlay .swatch,
.swatch {
  width: 24px;
  height: 24px;
  border-radius: var(--wb-control-radius);
  border: 1px solid color-mix(in srgb, var(--wb-text) 25%, transparent);
  background: transparent;
}

.sectionGuideOverlay {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  display: block;
}

.sectionGuideBox {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--wb-reference) 88%, white 12%);
  box-sizing: border-box;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.45);
}

.guideInner { border-color: var(--wb-selected-edge); }
.guideOuter { border-color: var(--wb-info); }
.guideDoor { border-color: var(--wb-reference); }

.guideToggle {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 3;
  margin: 0;
  padding: 5px 7px;
  border: 1px solid var(--wb-window-line);
  border-radius: var(--wb-control-radius);
  background: color-mix(in srgb, var(--wb-window-bg) 88%, transparent);
  color: var(--wb-text);
  user-select: none;
}

canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 1px solid color-mix(in srgb, var(--wb-text) 8%, transparent);
  background: rgba(0,0,0,0.28);
}

#doorRatioCanvas { image-rendering: pixelated; image-rendering: crisp-edges; }
.doorRatioWrap canvas { display: block; max-width: 100%; height: auto; }

@media (max-width: 1100px) {
  .hdc-layout {
    overflow: auto;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
  }
  .canvasWrap { min-height: 520px; }
  .doorRatioWrap { min-height: 480px; }
}

@media (max-width: 640px) {
  .site-theme-select { width: 110px; }
  .hdc-layout { padding: 6px; }
  .canvasWrap { padding: 12px; }
}