/* StructureViewer CSS */

.sv-container {
  display: flex;
  flex-direction: column;
  background-color: #1e1e1e;
  color: #ffffff;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.sv-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  background-color: #2d2d2d;
  border-bottom: 1px solid #3d3d3d;
  min-height: 40px;
}

.sv-info {
  font-size: 14px;
  color: #cccccc;
}

.sv-toolbar-button {
  font-family: inherit;
  font-size: 13px;
  color: #cccccc;
  background-color: transparent;
  border: 1px solid #4a4a4a;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
}

.sv-toolbar-button:hover {
  background-color: #3a3a3a;
  color: #ffffff;
}

.sv-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.sv-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
}

.sv-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #3d3d3d;
  border-top-color: #3eaf53;
  border-radius: 50%;
  animation: sv-spin 1s linear infinite;
}

@keyframes sv-spin {
  to {
    transform: rotate(360deg);
  }
}

.sv-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 20px;
}

.sv-error-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 400px;
  text-align: center;
}

.sv-error-icon {
  font-size: 48px;
  line-height: 1;
}

.sv-error-message {
  color: #cccccc;
  font-size: 16px;
  line-height: 1.5;
}

.sv-error-button {
  padding: 8px 24px;
  background-color: var(--mc-green-6);
  color: var(--mc-white);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  border-radius: 2px;
}

.sv-error-button:hover {
  background-color: var(--mc-green-5);
}

.sv-error-button:focus-visible {
  outline: 2px solid var(--mc-green-4);
  outline-offset: 2px;
}

/* Hidden canvas for screenshot capture */
.sv-canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

/* No-chrome mode - for headless rendering without any UI overlays */
.sv-no-chrome {
  background-color: transparent;
}

.sv-no-chrome .sv-viewport-full {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* Render-fallback banner overlay — shown when rendering may have failed */
.sv-render-banner {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background-color: rgba(45, 45, 45, 0.95);
  color: #ffffff;
  border: 1px solid #5a3e0a;
  border-left: 4px solid #f0a020;
  border-radius: 4px;
  font-size: 13px;
  max-width: 90%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.sv-render-banner-message {
  flex: 1;
  line-height: 1.4;
}

.sv-render-banner-button {
  padding: 4px 12px;
  background-color: var(--mc-green-6);
  color: var(--mc-white);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  border-radius: 2px;
  white-space: nowrap;
}

.sv-render-banner-button:hover {
  background-color: var(--mc-green-5);
}

.sv-render-banner-dismiss {
  background: transparent;
  color: #cccccc;
  border: 1px solid #5d5d5d;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  border-radius: 2px;
}

.sv-render-banner-dismiss:hover {
  color: #ffffff;
  border-color: #8d8d8d;
}

.sv-error-actions {
  display: flex;
  gap: 8px;
}

/* High-contrast mode: ensure text is readable against system background */
@media (forced-colors: active) {
  .sv-info,
  .sv-error-message {
    color: CanvasText;
  }

  .sv-toolbar {
    background-color: Canvas;
    color: CanvasText;
    border-color: ButtonText;
  }

  .sv-spinner {
    forced-color-adjust: none;
  }
}