:root {
  --ink: #17211b;
  --cream: #faf5eb;
  --emerald: #166534;
  --emerald-deep: #14532d;
  --pass-surface: #e7f5ec;
  --fail-surface: #fff0e9;
}

:root[data-theme="dark"] {
  --pass-surface: #103a2d;
  --fail-surface: #44251f;
}

body {
  font-family: var(--font-body);
}

h1,
h2,
h3,
.ratio-display strong {
  font-family: var(--font-display);
}

.generator-main {
  width: min(100%, 1100px);
}

.tool-hero {
  max-width: 800px;
}

.contrast-workspace {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
  align-items: start;
  gap: clamp(1rem, 3vw, 1.75rem);
}

.color-settings-panel,
.results-panel,
.preview-section,
.suggestions-section {
  min-width: 0;
}

.color-fields {
  display: grid;
  gap: 1rem;
}

.color-entry {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1rem;
  background: color-mix(in srgb, var(--surface-quiet) 58%, var(--surface));
}

.color-entry legend,
.quick-presets legend {
  padding: 0 0.3rem;
  color: var(--heading);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 750;
}

.color-entry > .field-help {
  margin: -0.05rem 0 0.9rem;
}

.color-entry-controls {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: start;
  gap: 0.85rem;
}

.large-color-picker {
  width: 64px !important;
  height: 56px !important;
  border-radius: 14px !important;
}

.hex-field {
  min-width: 0;
}

.hex-input {
  min-height: 56px !important;
  text-transform: uppercase;
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace !important;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.field-error {
  min-height: 1.15rem;
  margin: 0.3rem 0 0;
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: 700;
}

.swap-button {
  justify-self: center;
  min-width: 170px;
  margin: -0.2rem 0;
}

.quick-presets {
  margin-top: 1.25rem;
}

.preset-button {
  min-height: 44px;
}

.results-panel {
  overflow: hidden;
  background:
    linear-gradient(150deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--green-soft) 35%, var(--surface)));
}

.results-heading,
.section-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.results-heading h2,
.section-heading-row h2,
.suggestions-heading h2 {
  margin: 0;
  color: var(--heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.08;
}

.copy-result-button {
  flex: 0 0 auto;
  min-height: 44px;
  padding-block: 0.58rem;
}

.ratio-display {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  margin: 1.4rem 0 0;
}

.ratio-display strong {
  color: var(--heading);
  font-size: clamp(3.4rem, 9vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.ratio-display span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.overall-result {
  max-width: 48ch;
  margin: 1rem 0 1.2rem;
  color: var(--text);
  font-weight: 700;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.criterion {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  border: 1px solid var(--border-soft);
  border-radius: 15px;
  padding: 0.85rem;
  background: var(--surface);
}

.criterion:last-child {
  grid-column: 1 / -1;
}

.criterion div {
  min-width: 0;
}

.criterion strong,
.criterion span {
  display: block;
}

.criterion strong {
  color: var(--heading);
  font-size: 0.9rem;
}

.criterion div span {
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.criterion-status {
  flex: 0 0 auto;
  min-width: 54px;
  border-radius: 999px;
  padding: 0.32rem 0.52rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 800;
}

.criterion.is-pass .criterion-status {
  background: var(--pass-surface);
  color: var(--green);
}

.criterion.is-fail .criterion-status {
  background: var(--fail-surface);
  color: var(--danger);
}

:root[data-theme="dark"] .criterion.is-pass .criterion-status {
  color: #9ee4c2;
}

.preview-section,
.suggestions-section {
  margin-top: clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: clamp(1.2rem, 3.5vw, 2rem);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}

.section-heading-row {
  align-items: end;
  margin-bottom: 1rem;
}

.section-heading-row .eyebrow,
.suggestions-heading .eyebrow {
  margin-bottom: 0.35rem;
}

#preview-pair {
  margin: 0;
  color: var(--muted);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contrast-preview {
  --preview-foreground: #17211b;
  --preview-background: #faf5eb;
  border-radius: 20px;
  padding: clamp(1.25rem, 5vw, 3.3rem);
  background: var(--preview-background);
  color: var(--preview-foreground);
}

.contrast-preview .preview-label {
  margin: 0 0 1.1rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contrast-preview h3 {
  max-width: 19ch;
  margin: 0;
  color: inherit;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 0.98;
}

.contrast-preview p {
  max-width: 65ch;
  margin: 1rem 0 0;
}

.contrast-preview .preview-large {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.35;
}

.contrast-preview a {
  color: inherit;
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.preview-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.preview-outline,
.preview-filled {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 3px solid var(--preview-foreground);
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font-weight: 800;
}

.preview-outline svg {
  width: 20px;
  height: 20px;
}

.preview-filled {
  background: var(--preview-foreground);
  color: var(--preview-background);
}

.suggestions-heading {
  max-width: 760px;
}

.suggestions-heading p:last-child {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.suggestion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.suggestion-button {
  min-height: 124px;
  min-width: 0;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: center;
  gap: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 17px;
  padding: 0.85rem;
  background: var(--surface);
  color: var(--text);
  text-align: left;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.suggestion-button:hover {
  border-color: var(--green);
  background: var(--surface-quiet);
  transform: translateY(-1px);
}

.suggestion-button:active {
  transform: translateY(1px);
}

.suggestion-swatches {
  width: 54px;
  height: 64px;
  display: grid;
  grid-template-rows: 1fr 1fr;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}

.suggestion-copy {
  min-width: 0;
}

.suggestion-copy strong,
.suggestion-copy span {
  display: block;
}

.suggestion-copy strong {
  color: var(--heading);
  font-size: 0.84rem;
}

.suggestion-copy .suggestion-colors {
  margin-top: 0.25rem;
  color: var(--muted);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  overflow-wrap: anywhere;
}

.suggestion-copy .suggestion-ratio {
  margin-top: 0.35rem;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
}

:root[data-theme="dark"] .suggestion-copy .suggestion-ratio {
  color: #9ee4c2;
}

.guide-section {
  scroll-margin-top: 1rem;
}

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

  .generator-main {
    width: min(100%, 720px);
  }

  .suggestion-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .color-entry-controls {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 0.65rem;
  }

  .large-color-picker {
    width: 58px !important;
  }

  .results-heading,
  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .copy-result-button,
  .swap-button {
    width: 100%;
  }

  .criteria-grid {
    grid-template-columns: 1fr;
  }

  .criterion:last-child {
    grid-column: auto;
  }

  .ratio-display strong {
    font-size: clamp(3.2rem, 18vw, 5rem);
  }

  .contrast-preview {
    border-radius: 15px;
  }

  .preview-controls > span {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .suggestion-button,
  .suggestion-button:hover,
  .suggestion-button:active {
    transform: none;
  }
}