/* Tested colors are confined to the preview; controls retain the site palette. */
.contrast-tool { max-width: 1120px; }
.contrast-tool a { color: var(--color-accent); text-decoration: underline; text-underline-offset: .18em; }
.contrast-tool :focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.contrast-tool [hidden] { display: none !important; }
.contrast-breadcrumb { font-size: .9rem; color: var(--color-muted); margin-bottom: 1.5rem; }
.contrast-header { margin-bottom: 2rem; max-width: 48rem; }
.contrast-header p:last-child { max-width: 65ch; color: var(--color-muted); }
.contrast-eyebrow { color: var(--color-accent); font-size: .8rem; text-transform: uppercase; font-weight: 700; letter-spacing: .06em; margin-bottom: .65rem; }
.contrast-tool h1 { font-size: clamp(1.85rem, 3.4vw, 2.65rem); text-wrap: balance; }
#contrast-input-title { margin-bottom: .4rem; }
.contrast-hint, .contrast-local-note { font-size: .85rem; color: var(--color-muted); }
.contrast-inputs { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 1.2rem; align-items: start; margin-top: 1.25rem; }
.contrast-color-field label, .contrast-audit-form label { display: block; font-weight: 600; margin-bottom: .4rem; }
.contrast-color-row { display: flex; gap: .6rem; }
.contrast-color-row input[type="text"], .contrast-audit-form input[name="url"] { min-width: 0; width: 100%; padding: .8rem .95rem; border: 1px solid #8292a6; border-radius: .45rem; background: #fff; color: var(--color-ink); font-size: 1rem; line-height: 1.4; }
.contrast-color-row input[type="text"] { font-family: var(--font-mono); }
.contrast-color-row input[aria-invalid="true"] { border-color: var(--color-error); }
.contrast-color-row input[type="color"] { width: 3.4rem; min-width: 3.4rem; height: 3.1rem; padding: .3rem; border: 1px solid #8292a6; border-radius: .45rem; background: #fff; cursor: pointer; }
.contrast-swap { display: flex; gap: .4rem; align-items: center; justify-content: center; min-height: 3.1rem; margin-top: 2rem; padding: .65rem .8rem; color: var(--color-accent); background: transparent; border: 1px solid var(--color-border); border-radius: .45rem; font: inherit; font-size: .9rem; cursor: pointer; }
.contrast-swap:hover { background: var(--color-accent-soft); }
.contrast-swap span { font-size: 1.4rem; line-height: 1; }
.contrast-error, .contrast-tool .form-error { color: var(--color-error); font-size: .85rem; margin-top: .4rem; }
.contrast-error:empty, .contrast-tool .form-error:empty { display: none; }
.contrast-local-note { margin-block: .8rem 1.8rem; }
.contrast-notice { border-left: 3px solid var(--color-accent); padding: 1rem; background: var(--color-accent-soft); margin-bottom: 1rem; }
.contrast-result-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; padding-block: 1.8rem; border-block: 1px solid var(--color-border); }
.contrast-result-layout h2 { font-size: 1.25rem; }
.contrast-ratio { font-size: clamp(2.8rem, 5vw, 4rem); line-height: 1.2; font-family: var(--font-display); font-weight: 700; letter-spacing: -.04em; color: var(--color-accent); margin-block: .8rem 1.5rem; font-variant-numeric: tabular-nums; }
.contrast-verdicts { margin-bottom: 1rem; }
.contrast-verdicts > div { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding-block: .65rem; border-top: 1px solid var(--color-border); }
.contrast-verdicts dt { font-size: .92rem; font-weight: 600; }
.contrast-verdicts dt span { display: block; color: var(--color-muted); font-size: .8rem; font-weight: 400; }
.contrast-status { font-size: .85rem; font-weight: 600; white-space: nowrap; }
.contrast-status[data-status="pass"] { color: #0b645c; }
.contrast-status[data-status="fail"] { color: #a02219; }
.contrast-preview { min-height: 18rem; border: 1px solid var(--color-border); padding: 2rem; margin-block: 1rem .75rem; display: flex; flex-direction: column; justify-content: center; gap: 1.1rem; }
.contrast-preview p { margin: 0; color: inherit; }
.contrast-preview .contrast-sample-large { font-size: 24px; font-weight: 400; }
.contrast-preview .contrast-sample-normal { font-size: 16px; font-weight: 400; }
.contrast-preview .contrast-sample-bold { font-size: 18.67px; font-weight: 700; }
.contrast-explanation, .contrast-limits { padding-top: 2.75rem; }
.contrast-explanation p, .contrast-limits p { margin-bottom: 1rem; max-width: 80ch; }
.contrast-explanation-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-block: 1.5rem .5rem; }
.contrast-explanation h3 { font-size: 1.1rem; }
.contrast-upgrade { margin-top: 2.5rem; padding: 1.75rem 2rem; background: var(--color-accent-soft); border-top: 3px solid var(--color-accent); }
.contrast-upgrade > p { margin-bottom: 1rem; }
.contrast-price { font-weight: 600; }
.contrast-audit-form { margin-top: 1.25rem; }
.contrast-audit-form-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.contrast-audit-form input[name="url"] { flex: 1 1 13rem; }
.contrast-audit-form button { flex: 0 0 auto; }
.contrast-audit-form input::placeholder { color: var(--color-muted); opacity: 1; }
.contrast-updated { margin-top: 1.5rem; color: var(--color-muted); font-size: .8rem; }
.contrast-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 700px) {
  .contrast-inputs { grid-template-columns: 1fr; gap: .75rem; }
  .contrast-swap { justify-self: start; margin-top: 0; }
  .contrast-result-layout { grid-template-columns: 1fr; gap: 2rem; }
  .contrast-preview { min-height: 14rem; }
  .contrast-explanation-columns { grid-template-columns: 1fr; gap: .5rem; }
}
@media (max-width: 450px) {
  .contrast-tool { padding-inline: 1.25rem; }
  .contrast-upgrade { padding: 1.25rem; }
  .contrast-audit-form-row { flex-direction: column; }
  .contrast-audit-form input[name="url"] { flex-basis: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .contrast-tool *, .contrast-tool *::before, .contrast-tool *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}