:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #0f172a;
  background: radial-gradient(circle at 18% -10%, #ffffff 0, #eef3f8 40%, #dbe5ef 100%);
}

.page {
  width: min(1200px, 96vw);
  margin: 0 auto;
  padding: 1.1rem 0.6rem 1.2rem;
}

.head h1 {
  margin: 0.1rem 0 0.2rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.1;
}

.head p {
  margin: 0 0 0.85rem;
  color: #334155;
}

.frame {
  border-radius: 16px;
  border: 1px solid rgba(100, 116, 139, 0.4);
  background: linear-gradient(180deg, #f8fafc 0%, #e5edf5 100%);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.14);
  overflow: hidden;
}

.blender-room-viewer-canvas-wrap {
  position: relative;
  width: 100%;
  height: clamp(340px, 76vh, 860px);
  min-height: 340px;
}

.blender-room-viewer-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.blender-room-viewer-status {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: #0f172a;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.55);
}

.blender-room-viewer-status[data-error="1"] {
  color: #7f1d1d;
  background: rgba(254, 226, 226, 0.95);
  border-color: rgba(248, 113, 113, 0.8);
}

.blender-room-viewer-hints {
  margin: 0;
  padding: 0.62rem 0.8rem 0.76rem;
  color: #334155;
  background: rgba(241, 245, 249, 0.92);
  border-top: 1px solid rgba(148, 163, 184, 0.35);
}

.blender-room-viewer-hints p {
  margin: 0;
  font-size: 0.88rem;
}

.viewer-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 0.6rem 0.9rem;
  padding: 0.68rem 0.8rem 0.72rem;
  background: rgba(232, 240, 248, 0.84);
  border-top: 1px solid rgba(148, 163, 184, 0.35);
}

.viewer-control {
  display: flex;
  flex-direction: column;
  gap: 0.34rem;
  font-size: 0.84rem;
  color: #334155;
}

.viewer-control--full {
  grid-column: 1 / -1;
}

.viewer-control-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

.viewer-control input[type="range"] {
  width: 100%;
}

.viewer-control output {
  min-width: 4.1rem;
  text-align: right;
  padding: 0.16rem 0.36rem;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.77rem;
  color: #0f172a;
  background: rgba(248, 250, 252, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.viewer-controls-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.viewer-reset-btn {
  appearance: none;
  border: 1px solid rgba(100, 116, 139, 0.4);
  background: rgba(248, 250, 252, 0.9);
  color: #0f172a;
  font-size: 0.78rem;
  line-height: 1;
  padding: 0.42rem 0.62rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s ease-out, border-color 0.12s ease-out, transform 0.12s ease-out;
}

.viewer-reset-btn:hover {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(71, 85, 105, 0.6);
}

.viewer-reset-btn:active {
  transform: translateY(1px);
}

@media (max-width: 800px) {
  .page {
    width: min(98vw, 980px);
    padding: 0.8rem 0.4rem 0.8rem;
  }

  .head p {
    margin-bottom: 0.65rem;
  }

  .blender-room-viewer-canvas-wrap {
    height: clamp(280px, 64vh, 560px);
    min-height: 280px;
  }

  .viewer-controls {
    grid-template-columns: 1fr;
  }

  .viewer-controls-actions {
    justify-content: stretch;
  }

  .viewer-reset-btn {
    width: 100%;
  }
}