@font-face {
  font-family: Manrope;
  src: url("./fonts/manrope-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}
:root {
  color-scheme: light;
  --paper: #f7f8f4;
  --ink: #152d39;
  --blue: #296987;
  --muted: #63727a;
  --line: #dce2dc;
  --green: #315b43;
  --red: #963f38;
  --preview-fg: #152d39;
  --preview-bg: #f7f8f4;
  font-family: Manrope, Arial, sans-serif;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
}
button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid #377c9f;
  outline-offset: 4px;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}
svg {
  display: block;
}
::selection {
  background: #c5dce4;
}
a:hover {
  color: var(--blue);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 10px 16px;
  min-height: 44px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: none;
  color: #fff;
}
.tool-header {
  max-width: 1240px;
  margin: 0 auto;
  padding: 29px 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 25px;
  font-weight: 750;
  letter-spacing: -1.3px;
  line-height: 1;
  min-height: 44px;
}
.brand-symbol {
  width: 31px;
  height: 31px;
  margin-right: 1px;
}
.brand-symbol svg {
  width: 100%;
  height: 100%;
}
.back-link {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
}
.back-link span {
  font-size: 19px;
  font-weight: 400;
}
.intro {
  padding: 69px 24px 43px;
  text-align: center;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 750;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin: 0 0 18px;
}
.eyebrow-mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3e7d89;
}
.intro h1 {
  font-size: clamp(35px, 4.7vw, 59px);
  letter-spacing: -2.7px;
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 18px;
}
.intro h1 > span {
  color: var(--blue);
}
.intro-description {
  font-size: 16px;
  line-height: 1.85;
  color: #576970;
  margin: 0 0 18px;
}
.privacy {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}
.privacy svg {
  width: 13px;
  height: 13px;
}
.workspace {
  max-width: 1120px;
  margin: 0 auto 65px;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.panel-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 26px;
}
.panel-heading h2 {
  font-size: 16px;
  font-weight: 650;
  margin: 0;
}
.small-label {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--muted);
  white-space: nowrap;
}
.controls {
  padding: 25px;
}
.color-field > label {
  font-weight: 600;
  font-size: 14px;
  display: block;
  margin-bottom: 9px;
}
.color-input-row {
  display: flex;
  gap: 10px;
}
.color-input-row input[type="color"] {
  border: 1px solid #cdd5d4;
  background: #fff;
  width: 50px;
  height: 48px;
  padding: 4px;
  border-radius: 6px;
  cursor: pointer;
  flex: none;
}
.color-input-row input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-input-row input[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: 3px;
}
.color-input-row input[type="color"]::-moz-color-swatch {
  border: 0;
  border-radius: 3px;
}
.hex-input {
  width: 100%;
  min-width: 0;
  border: 1px solid #cdd5d4;
  border-radius: 6px;
  background: #fafbf9;
  padding: 10px 13px;
  color: var(--ink);
  font-size: 16px;
  min-height: 48px;
  letter-spacing: 0.5px;
  font-family: Manrope, Arial, sans-serif;
  font-weight: 600;
}
.hex-input[aria-invalid="true"] {
  border-color: var(--red);
  background: #fff8f6;
}
.field-error {
  min-height: 0;
  margin: 5px 0 0;
  color: var(--red);
  font-size: 13px;
}
.field-error:empty {
  display: none;
}
.swap-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 15px 0;
}
.swap-row > span {
  height: 1px;
  background: #e7ebe6;
  flex: 1;
}
.swap-button {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #5c6d76;
  background: transparent;
  border: 0;
  padding: 4px;
}
.swap-button svg {
  width: 17px;
  height: 17px;
}
.swap-button:hover {
  color: var(--blue);
}
.input-hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin: 14px 0 0;
}
.presets {
  border-top: 1px solid #e5e9e4;
  margin-top: 24px;
  padding-top: 21px;
}
.presets h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 11px;
}
.preset-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.preset {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #f8f9f6;
  border: 1px solid #e2e7df;
  border-radius: 4px;
  padding: 9px 10px;
  font-size: 14px;
  color: var(--ink);
}
.preset:hover {
  border-color: #9eafb5;
  background: #f0f4f0;
}
.preset-swatches {
  display: flex;
  flex: none;
}
.preset-swatches i {
  width: 11px;
  height: 11px;
  display: block;
  border: 1px solid #00000015;
  border-radius: 50%;
}
.preset-swatches i + i {
  margin-left: -3px;
}
.copy-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  margin-top: 26px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s;
}
.copy-button:hover {
  background: var(--blue);
  border-color: var(--blue);
}
.copy-button svg {
  width: 15px;
  height: 15px;
}
.copy-button > span {
  margin-left: auto;
  font-size: 16px;
  line-height: 1;
}
.action-status {
  font-size: 12px;
  color: var(--muted);
  margin: 9px 0 0;
  min-height: 16px;
}
.copy-fallback {
  margin-top: 10px;
}
.copy-fallback label {
  display: block;
  font-size: 12px;
  margin-bottom: 6px;
}
.copy-fallback textarea {
  display: block;
  width: 100%;
  padding: 8px;
  resize: vertical;
  font-family: monospace;
  font-size: 16px;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.right-column {
  display: grid;
  gap: 22px;
}
.preview {
  padding: 25px 25px 13px;
}
.preview .panel-heading {
  margin-bottom: 19px;
}
.preview-canvas {
  background: var(--preview-bg);
  color: var(--preview-fg);
  border: 1px solid #152d3910;
  border-radius: 5px;
  padding: 26px 31px 21px;
  min-height: 320px;
  transition:
    background 0.12s,
    color 0.12s;
}
.preview-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 1.5px;
  font-weight: 700;
}
.preview-topline svg {
  width: 29px;
  height: 29px;
  flex: none;
}
.preview-title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -1.6px;
  margin: 19px 0 15px;
}
.preview-copy {
  font-size: 16px;
  line-height: 1.7;
  max-width: 470px;
  margin: 0 0 17px;
}
.preview-link {
  font-size: 14px;
  display: inline-flex;
  gap: 14px;
  font-weight: 650;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  min-height: 44px;
  align-items: center;
}
.preview-link:hover {
  color: inherit;
}
.preview-size {
  display: block;
  font-size: 12px;
  margin-top: 20px;
  letter-spacing: 0.1px;
}
.preview-caption {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 0;
}
.results {
  padding: 25px;
}
.results .panel-heading {
  margin-bottom: 17px;
}
.ratio-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.ratio {
  font-size: 43px;
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -1.7px;
  font-variant-numeric: tabular-nums;
}
.ratio-unit {
  font-size: 24px;
  letter-spacing: -1px;
  color: #65777d;
}
.ratio-label {
  font-size: 12px;
  letter-spacing: 1.5px;
  margin: 4px 0 0;
  color: var(--muted);
}
.overall-result {
  font-size: 12px;
  font-weight: 650;
  background: #edf3eb;
  color: var(--green);
  border: 1px solid #d9e5d7;
  border-radius: 5px;
  padding: 8px 10px;
  text-align: center;
}
.overall-result.is-fail {
  background: #fff3ed;
  border-color: #efdcd3;
  color: var(--red);
}
.overall-result.is-invalid {
  background: #f2f3f0;
  border-color: var(--line);
  color: var(--muted);
}
.checks {
  border-top: 1px solid #e7eae5;
}
.check-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #e7eae5;
}
.check-row strong {
  font-size: 14px;
  font-weight: 650;
  display: block;
}
.check-row > div > span:not(.check-badge) {
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-top: 3px;
}
.check-badges {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.check-badge {
  border-radius: 4px;
  padding: 4px 7px;
  border: 1px solid #d8e4d5;
  background: #eff5ed;
  color: var(--green);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}
.check-badge.is-fail {
  background: #fff4ef;
  border-color: #eeded7;
  color: var(--red);
}
.check-badge.is-invalid {
  background: #f4f5f2;
  border-color: var(--line);
  color: var(--muted);
}
.results-note {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin: 14px 0 0;
}
.explanation {
  max-width: 1120px;
  margin: 0 auto 66px;
  border-top: 1px solid var(--line);
  padding-top: 34px;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 22px;
}
.explanation-index {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 1.4px;
  color: var(--muted);
  padding-top: 5px;
}
.explanation h2 {
  font-size: 19px;
  font-weight: 550;
  letter-spacing: -0.5px;
  margin: 0 0 10px;
}
.explanation p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 610px;
  margin: 0 0 13px;
}
.explanation a {
  display: inline-flex;
  gap: 14px;
  font-size: 14px;
  align-items: center;
  min-height: 44px;
  color: var(--blue);
  font-weight: 600;
}
.explanation a:hover {
  text-decoration: underline;
}
.tool-footer {
  max-width: 1240px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 26px 48px 31px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  font-size: 12px;
  color: var(--muted);
}
.tool-footer > a:first-child {
  color: var(--ink);
}
.tool-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.noscript {
  background: #fff0e8;
  border: 1px solid #dab7a9;
  padding: 16px;
  max-width: 1120px;
  margin: 0 auto 20px;
  color: #6d362b;
  font-size: 13px;
}
@media (min-width: 1600px) {
  .intro {
    padding-top: 85px;
  }
  .workspace {
    max-width: 1180px;
    grid-template-columns: 350px minmax(0, 1fr);
  }
  .explanation {
    max-width: 1180px;
    grid-template-columns: 350px minmax(0, 1fr);
  }
}
@media (max-width: 1199px) {
  .workspace,
  .explanation {
    margin-left: 35px;
    margin-right: 35px;
    grid-template-columns: 300px minmax(0, 1fr);
  }
  .tool-header,
  .tool-footer {
    margin-left: 20px;
    margin-right: 20px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .controls,
  .preview,
  .results {
    padding: 22px;
  }
  .preview {
    padding-bottom: 13px;
  }
  .preview-canvas {
    padding: 22px;
  }
  .preview-title {
    font-size: 36px;
  }
  .small-label {
    font-size: 12px;
    letter-spacing: 1px;
  }
}
@media (max-width: 820px) {
  .workspace {
    grid-template-columns: 265px minmax(0, 1fr);
    gap: 16px;
    margin-left: 22px;
    margin-right: 22px;
  }
  .explanation {
    grid-template-columns: 265px minmax(0, 1fr);
    gap: 16px;
    margin-left: 22px;
    margin-right: 22px;
  }
  .controls,
  .preview,
  .results {
    padding: 18px;
  }
  .preview {
    padding-bottom: 12px;
  }
  .panel-heading {
    flex-wrap: wrap;
    gap: 5px;
  }
  .preview-canvas {
    padding: 20px;
  }
  .preview-title {
    font-size: 31px;
  }
  .preview-copy {
    font-size: 16px;
  }
  .ratio {
    font-size: 35px;
  }
  .ratio-unit {
    font-size: 20px;
  }
  .overall-result {
    font-size: 12px;
    padding: 7px;
  }
  .check-row {
    align-items: flex-start;
  }
  .check-badges {
    gap: 4px;
  }
  .check-badge {
    font-size: 12px;
    padding: 4px;
  }
  .check-row > div > span:not(.check-badge) {
    font-size: 12px;
  }
  .check-row strong {
    font-size: 14px;
  }
  .tool-footer {
    padding-left: 2px;
    padding-right: 2px;
  }
}
@media (max-width: 650px) {
  .tool-header {
    padding-top: 22px;
    padding-bottom: 22px;
    margin-left: 20px;
    margin-right: 20px;
    padding-left: 0;
    padding-right: 0;
  }
  .brand {
    font-size: 23px;
  }
  .brand-symbol {
    width: 28px;
    height: 28px;
  }
  .back-link {
    font-size: 14px;
    gap: 6px;
  }
  .intro {
    padding: 49px 20px 30px;
  }
  .eyebrow {
    font-size: 12px;
    letter-spacing: 1.6px;
    margin-bottom: 16px;
  }
  .intro h1 {
    font-size: 37px;
    letter-spacing: -1.8px;
    margin-bottom: 16px;
  }
  .intro-description {
    font-size: 16px;
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
  }
  .desktop-break {
    display: none;
  }
  .privacy {
    font-size: 12px;
  }
  .workspace {
    grid-template-columns: 1fr;
    margin: 0 20px 40px;
    gap: 16px;
  }
  .controls,
  .preview,
  .results {
    padding: 22px;
  }
  .preview {
    padding-bottom: 13px;
  }
  .panel-heading {
    margin-bottom: 22px;
    flex-wrap: wrap;
  }
  .panel-heading h2 {
    font-size: 16px;
  }
  .small-label {
    font-size: 12px;
    letter-spacing: 1.2px;
  }
  .color-field > label {
    font-size: 14px;
  }
  .hex-input {
    font-size: 16px;
  }
  .presets {
    margin-top: 20px;
    padding-top: 18px;
  }
  .preset {
    font-size: 14px;
    padding: 8px 9px;
  }
  .preset-list {
    gap: 8px;
  }
  .copy-button {
    font-size: 14px;
    margin-top: 22px;
  }
  .copy-button > span {
    margin-left: 0;
  }
  .action-status {
    min-height: 0;
  }
  .action-status:empty {
    margin: 0;
  }
  .preview-canvas {
    padding: 23px;
    min-height: 330px;
  }
  .preview-title {
    font-size: 38px;
  }
  .preview-copy {
    font-size: 16px;
  }
  .right-column {
    gap: 16px;
  }
  .ratio {
    font-size: 43px;
  }
  .ratio-unit {
    font-size: 24px;
  }
  .overall-result {
    font-size: 12px;
    padding: 8px 10px;
  }
  .check-row strong {
    font-size: 14px;
  }
  .check-row > div > span:not(.check-badge) {
    font-size: 12px;
  }
  .check-badge {
    font-size: 12px;
    padding: 5px 7px;
  }
  .explanation {
    display: block;
    margin: 0 20px 40px;
    padding-top: 24px;
  }
  .explanation-index {
    display: block;
    margin-bottom: 16px;
    font-size: 12px;
  }
  .explanation h2 {
    font-size: 20px;
  }
  .explanation p {
    font-size: 16px;
  }
  .explanation a {
    font-size: 14px;
  }
  .tool-footer {
    margin: 0 20px;
    padding: 22px 0;
    flex-wrap: wrap;
    font-size: 12px;
    gap: 12px;
  }
  .tool-footer > a:first-child {
    width: 100%;
  }
  .tool-footer > a:last-child {
    margin-left: auto;
  }
  .noscript {
    margin-left: 20px;
    margin-right: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}