/* WCAG color contrast checker */
.container--contrast-tool {
  max-width: 70rem;
}

.contrast-workspace,
.contrast-color-panel,
.contrast-result-card,
.contrast-preview-card,
.contrast-guide {
  min-width: 0;
}

.contrast-workspace {
  display: grid;
  gap: 1.25rem;
}

.contrast-workspace-heading,
.contrast-result-heading,
.contrast-preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.contrast-workspace-heading h2,
.contrast-workspace-heading p,
.contrast-result-heading h2,
.contrast-result-heading p,
.contrast-preview-heading h2,
.contrast-preview-heading p {
  margin-top: 0;
}

.contrast-workspace-heading p,
.contrast-result-heading p,
.contrast-preview-heading p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.contrast-color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contrast-color-panel h2 {
  margin-top: 0;
}

.contrast-color-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: end;
}

.contrast-color-control label,
.contrast-preview-card > label {
  display: grid;
  gap: 0.4rem;
  color: var(--color-text);
  font-weight: 750;
}

.contrast-color-control input[type="text"] {
  min-width: 0;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
}

.contrast-picker-label input[type="color"] {
  width: 4.2rem;
  min-width: 4.2rem;
  height: 3rem;
  padding: 0.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
}

.contrast-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.contrast-error,
.contrast-status {
  min-height: 1.5em;
  margin: 0.65rem 0 0;
  overflow-wrap: anywhere;
}

.contrast-error,
.contrast-status.is-error {
  color: #9f1239;
}

.contrast-status.is-success {
  color: #166534;
}

.contrast-result-card,
.contrast-preview-card {
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.contrast-ratio {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin: 1.1rem 0;
  color: var(--color-primary-dark);
}

.contrast-ratio strong {
  font-size: clamp(2.5rem, 9vw, 5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.contrast-ratio span {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 800;
}

.contrast-details {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.contrast-details div {
  min-width: 0;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.contrast-details dt {
  color: var(--color-muted);
  font-size: 0.78rem;
}

.contrast-details dd {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-weight: 800;
}

.contrast-evaluation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.contrast-evaluation-list li {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.contrast-evaluation-list li > span {
  display: grid;
  min-width: 0;
  gap: 0.2rem;
}

.contrast-evaluation-list small {
  color: inherit;
  font-weight: 600;
}

.contrast-evaluation-list li[data-state="pass"] {
  border-color: #86c8a0;
  background: #ecfdf3;
  color: #14532d;
}

.contrast-evaluation-list li[data-state="fail"] {
  border-color: #f0a0aa;
  background: #fff1f2;
  color: #881337;
}

.contrast-evaluation-list li[data-state="invalid"] {
  background: var(--color-surface-soft);
  color: var(--color-muted);
}

.contrast-preview-card {
  --contrast-foreground: #333333;
  --contrast-background: #ffffff;
}

.contrast-preview-card > label {
  margin-top: 1rem;
}

.contrast-preview-surface {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
  padding: clamp(1rem, 4vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--contrast-foreground);
  border-radius: var(--radius-md);
  background: var(--contrast-background);
  color: var(--contrast-foreground);
}

.contrast-preview-normal,
.contrast-preview-large {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.contrast-preview-normal span,
.contrast-preview-large span {
  font-size: 0.76rem;
  font-weight: 700;
}

.contrast-preview-large strong {
  font-size: 1.5rem;
  line-height: 1.45;
}

.contrast-ui-preview {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.contrast-ui-preview button,
.contrast-border-preview {
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  border: 2px solid var(--contrast-foreground);
  border-radius: 0.55rem;
  color: var(--contrast-background);
  background: var(--contrast-foreground);
  font: inherit;
  font-weight: 800;
}

.contrast-border-preview {
  display: inline-flex;
  align-items: center;
  color: var(--contrast-foreground);
  background: transparent;
}

.contrast-icon-preview {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  border-radius: 0.45rem;
  background: var(--contrast-foreground);
}

.contrast-scope-note {
  padding: 1rem;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-surface-soft);
}

.contrast-guide code,
.contrast-guide p,
.contrast-faq-list p,
.contrast-faq-list summary {
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .contrast-color-grid,
  .contrast-details,
  .contrast-evaluation-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .contrast-workspace-heading,
  .contrast-result-heading,
  .contrast-preview-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .contrast-result-heading .button,
  .contrast-workspace-heading .button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .contrast-workspace-heading .button,
  .contrast-result-heading .button,
  .contrast-quick-actions,
  .contrast-quick-actions .button {
    width: 100%;
  }

  .contrast-quick-actions .button {
    justify-content: center;
  }

  .contrast-color-control {
    grid-template-columns: minmax(0, 1fr);
  }

  .contrast-picker-label input[type="color"] {
    width: 100%;
  }

  .contrast-result-card,
  .contrast-preview-card,
  .contrast-color-panel {
    padding: 0.85rem;
  }

  .contrast-evaluation-list li {
    align-items: flex-start;
    flex-direction: column;
  }

  .contrast-ratio strong {
    font-size: clamp(2.35rem, 18vw, 4rem);
  }
}

.contrast-tool-intro h1 {
  overflow-wrap: anywhere;
}