/* Shader playground (Rainfall fragment preview) */

.shader-playground__warning {
  margin: 1.25rem 0 1.5rem;
  padding: 1rem 1.25rem;
  font-size: 1.125rem;
  line-height: 1.5;
  font-weight: 500;
  color: #b71c1c;
  background: rgba(198, 40, 40, 0.1);
  border: 2px solid #c62828;
  border-radius: var(--cr-radius);
}

.shader-playground__warning strong {
  font-weight: 700;
  color: #b71c1c;
}

[data-md-color-scheme="slate"] .shader-playground__warning {
  color: #ff8a80;
  background: rgba(255, 82, 82, 0.12);
  border-color: #ff5252;
}

[data-md-color-scheme="slate"] .shader-playground__warning strong {
  color: #ff8a80;
}

.shader-playground__warning code {
  font-size: 0.95em;
  color: inherit;
  background: rgba(198, 40, 40, 0.12);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

[data-md-color-scheme="slate"] .shader-playground__warning code {
  background: rgba(255, 82, 82, 0.18);
}

.shader-example-preview {
  margin: 0.75rem 0 2rem;
}

.shader-example-preview__frame {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  border-radius: var(--cr-radius);
  line-height: 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.shader-example-preview__canvas {
  display: block;
  max-width: 100%;
  height: auto;
  vertical-align: top;
}

.shader-example-preview__unsupported {
  padding: 0.75rem 1rem;
  border-radius: var(--cr-radius);
  background: var(--md-code-bg-color, #f5f5f8);
  border: 1px dashed var(--md-default-fg-color--lighter, #ccc);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--md-default-fg-color--light, #666);
}

[data-md-color-scheme="slate"] .shader-example-preview__unsupported {
  background: var(--cr-ink-raised);
  border-color: rgba(255, 255, 255, 0.15);
}

.shader-example-preview__error {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
  font-family: var(--md-code-font, monospace);
  color: #c62828;
  white-space: pre-wrap;
}

.shader-playground {
  margin: 1.5rem 0 2rem;
  border: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.08));
  border-radius: var(--cr-radius);
  overflow: hidden;
  background: var(--md-code-bg-color, #f5f5f8);
}

[data-md-color-scheme="slate"] .shader-playground {
  border-color: rgba(255, 255, 255, 0.08);
  background: var(--cr-ink-raised);
}

.shader-playground__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.08));
  background: var(--md-default-bg-color, #fff);
}

[data-md-color-scheme="slate"] .shader-playground__toolbar {
  background: var(--cr-ink);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.shader-playground__toolbar label {
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 0.25rem;
}

.shader-playground__toolbar select,
.shader-playground__toolbar button {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--cr-radius-sm);
  border: 1px solid var(--md-default-fg-color--lighter, #ccc);
  background: var(--md-default-bg-color, #fff);
  color: inherit;
  cursor: pointer;
}

.shader-playground__toolbar button:hover {
  border-color: var(--cr-twilight-light);
}

.shader-playground__toolbar button:focus {
  outline: none;
}

.shader-playground__toolbar button:focus-visible {
  border-color: var(--cr-twilight-light);
  box-shadow: var(--cr-focus-ring);
}

.shader-playground__toolbar select:focus {
  outline: none;
}

.shader-playground__toolbar select:focus-visible {
  border-color: var(--cr-ref-focus);
  box-shadow: var(--cr-focus-ring);
}

.shader-playground__toolbar button.is-primary {
  background: var(--cr-twilight);
  border-color: var(--cr-twilight);
  color: #fff;
}

.shader-playground__toolbar button.is-primary:hover {
  background: var(--cr-twilight-light);
  border-color: var(--cr-twilight-light);
}

.shader-playground__toolbar input[type="range"] {
  vertical-align: middle;
  width: 7rem;
}

.shader-playground__file {
  position: relative;
  overflow: hidden;
}

.shader-playground__file input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.shader-playground__body {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1.1fr);
  min-height: 420px;
}

.shader-playground__editor-wrap,
.shader-playground__preview-wrap {
  min-width: 0;
}

@media (max-width: 900px) {
  .shader-playground__body {
    grid-template-columns: 1fr;
  }
}

.shader-playground__editor-wrap {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.08));
  min-height: 360px;
}

[data-md-color-scheme="slate"] .shader-playground__editor-wrap {
  border-right-color: rgba(255, 255, 255, 0.08);
}

.shader-playground__editor-label {
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.7;
  border-bottom: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.06));
}

.shader-playground__editor {
  flex: 1;
  width: 100%;
  min-height: 320px;
  margin: 0;
  padding: 0.75rem;
  border: none;
  resize: vertical;
  font-family: var(--md-code-font, "JetBrains Mono", monospace);
  font-size: 0.8rem;
  line-height: 1.45;
  tab-size: 4;
  background: var(--md-code-bg-color, #f5f5f8);
  color: inherit;
  box-sizing: border-box;
}

.shader-playground__preview-wrap {
  display: flex;
  flex-direction: column;
  background: #0a0c10;
}

.shader-playground__preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.shader-playground__canvas-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  min-height: 280px;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.shader-playground__canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  image-rendering: auto;
  border-radius: 2px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.shader-playground__status {
  padding: 0.5rem 0.75rem;
  font-size: 0.78rem;
  font-family: var(--md-code-font, monospace);
  border-top: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.08));
  background: var(--md-default-bg-color, #fff);
  color: var(--md-default-fg-color--light, #666);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 6rem;
  overflow: auto;
}

[data-md-color-scheme="slate"] .shader-playground__status {
  background: var(--cr-ink);
  border-top-color: rgba(255, 255, 255, 0.08);
}

.shader-playground__status.is-error {
  color: #c62828;
}

[data-md-color-scheme="slate"] .shader-playground__status.is-error {
  color: #ff8a80;
}

.shader-playground__status.is-ok {
  color: #2e7d32;
}

[data-md-color-scheme="slate"] .shader-playground__status.is-ok {
  color: #81c784;
}