/* WCAG Contrast Helper */

:root {
  --page-bg: #000000;
  --panel-bg: #0a0a0a;
  --panel-bg-soft: #111111;
  --input-bg: #000000;
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --border: #3a3a3a;
  --border-strong: #666666;

  --ok: #22c55e;
  --warning: #f97316;
  --fail: #ef4444;

  --focus: #ffffff;
  --code-bg: #000000;
}

* {
  box-sizing: border-box;
}

html {
  background: #000000;
}

body {
  margin: 0;
  font-family: "Roboto", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #000000;
  color: var(--text);
  line-height: 1.5;
}

main {
  width: min(1680px, 100% - 48px);
  margin: 28px auto;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--text);
}

h2 {
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.lead {
  max-width: 900px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 15px;
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg);
  box-shadow: none;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.color-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 8px;
  align-items: center;
}

input[type="color"] {
  width: 54px;
  height: 42px;
  padding: 2px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background: var(--input-bg);
  cursor: pointer;
}

input[type="text"],
select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  font: 700 14px/1.3 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--text);
  background: var(--input-bg);
}

select {
  font-family: "Roboto", ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-color: var(--focus);
}

.ratio-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
}

.ratio-number {
  font: 850 clamp(38px, 6vw, 64px)/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  letter-spacing: -0.08em;
  color: var(--text);
}

.status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status.ok {
  color: var(--ok);
  background: rgba(34, 197, 94, 0.12);
}

.status.warn {
  color: var(--warning);
  background: rgba(249, 115, 22, 0.14);
}

.status.fail {
  color: var(--fail);
  background: rgba(239, 68, 68, 0.12);
}

.preview {
  display: grid;
  gap: 12px;
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  box-shadow: none;
}

.preview .small {
  max-width: 68ch;
  font-size: 16px;
}

.preview .large {
  font-size: 26px;
  font-weight: 750;
  line-height: 1.25;
}

.checks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.check {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
}

.check strong {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.check span {
  font: 850 16px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.check.pass {
  border-color: var(--ok);
  background: rgba(34, 197, 94, 0.1);
}

.check.conditional {
  border-color: var(--warning);
  background: rgba(249, 115, 22, 0.12);
}

.check.fail {
  border-color: var(--fail);
  background: rgba(239, 68, 68, 0.1);
}

.check.pass strong,
.check.pass span {
  color: var(--ok);
}

.check.conditional strong,
.check.conditional span {
  color: var(--warning);
}

.check.fail strong,
.check.fail span {
  color: var(--fail);
}

.minimum-text-notice {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-left-width: 5px;
  border-radius: 0;
  background: var(--panel-bg-soft);
  color: var(--text);
  font-size: 14px;
}

.minimum-text-notice strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

.minimum-text-notice.ok {
  border-left-color: var(--ok);
  background: rgba(34, 197, 94, 0.08);
}

.minimum-text-notice.warn {
  border-left-color: var(--warning);
  background: rgba(249, 115, 22, 0.1);
}

.minimum-text-notice.fail {
  border-left-color: var(--fail);
  background: rgba(239, 68, 68, 0.08);
}

.suggestions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.suggestion {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
}

.suggestion-preview {
  min-height: 108px;
  padding: 16px;
  display: grid;
  align-content: center;
  gap: 8px;
  font-weight: 800;
}

.suggestion-body {
  padding: 12px;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--border);
}

.code-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

code {
  display: inline-block;
  padding: 4px 7px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--code-bg);
  color: #ffffff;
  font: 750 12px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

button {
  appearance: none;
  width: fit-content;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 8px 11px;
  font: 800 13px/1.2 "Roboto", ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background: var(--panel-bg-soft);
  cursor: pointer;
}

button:hover {
  border-color: var(--focus);
}

.note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.error {
  display: none;
  margin-top: 4px;
  color: var(--fail);
  font-weight: 700;
  font-size: 13px;
}

.error.is-visible {
  display: block;
}

@media (max-width: 960px) {
  .app-grid,
  .checks,
  .suggestions {
    grid-template-columns: 1fr;
  }

  .ratio-card {
    grid-template-columns: 1fr;
  }
}


.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.analysis-card {
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
  padding: 14px;
}

.analysis-card h3 {
  margin-top: 0;
}

.result-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-list li {
  padding-left: 12px;
  border-left: 4px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.result-list li.ok {
  border-left-color: var(--ok);
  color: var(--ok);
}

.result-list li.warn {
  border-left-color: var(--warning);
  color: var(--warning);
}

.result-list li.fail {
  border-left-color: var(--fail);
  color: var(--fail);
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

.copy-status {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.suggestion-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.suggestion-actions button {
  font-size: 12px;
  padding: 7px 9px;
}

@media (max-width: 960px) {
  .analysis-grid {
    grid-template-columns: 1fr;
  }
}


.lock-options {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
}

.lock-options legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.checkbox-label {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text);
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  accent-color: var(--warning);
}

.settings-tools {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.file-button {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 8px 11px;
  font: 800 13px/1.2 "Roboto", ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background: var(--panel-bg-soft);
  cursor: pointer;
}

.file-button:hover {
  border-color: var(--focus);
}

#importSettingsInput {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.history-list {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.history-item {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
}

.history-item-main {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  font: 750 12px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.history-item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.history-swatch {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-strong);
}


.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  border: 1px solid var(--border);
  border-bottom: 0;
  background: var(--panel-bg);
  color: var(--muted);
}

.tab-button.is-active {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--panel-bg-soft);
}

.tool-section {
  display: none;
}

.tool-section.is-active {
  display: block;
}

.bulk-layout {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(980px, 1fr);
  gap: 18px;
  align-items: start;
}

textarea {
  width: 100%;
  min-height: 260px;
  padding: 11px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  font: 700 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--text);
  background: var(--input-bg);
  resize: vertical;
}

textarea:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-color: var(--focus);
}

.bulk-summary {
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel-bg-soft);
  color: var(--muted);
  font-size: 14px;
}

.bulk-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

.bulk-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1080px;
}

.bulk-table th,
.bulk-table td {
  padding: 8px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  font-size: 13px;
}

.bulk-table th {
  background: #000000;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.bulk-table td {
  background: var(--panel-bg-soft);
}

.bulk-table .ratio {
  font: 850 14px/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.bulk-color-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bulk-color-cell code {
  white-space: nowrap;
}

.bulk-token {
  color: var(--muted);
  font-size: 12px;
}

.bulk-state {
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.bulk-state.ok {
  color: var(--ok);
}

.bulk-state.warn {
  color: var(--warning);
}

.bulk-state.fail {
  color: var(--fail);
}

.bulk-row-pass td {
  background: rgba(34, 197, 94, 0.07);
}

.bulk-row-warn td {
  background: rgba(249, 115, 22, 0.08);
}

.bulk-row-fail td {
  background: rgba(239, 68, 68, 0.07);
}

@media (max-width: 960px) {
  .bulk-layout {
    grid-template-columns: 1fr;
  }
}


.site-footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.site-footer a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer a:hover {
  color: var(--ok);
}


.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.guide-wide {
  grid-column: 1 / -1;
}

.guide-block + .guide-block {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.guide-panel p {
  color: var(--muted);
  font-size: 15px;
}

.definition-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.definition-list div {
  padding: 12px;
  border: 1px solid var(--border);
  background: var(--panel-bg-soft);
}

.definition-list dt {
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 900;
}

.definition-list dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.level-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-left-width: 5px;
  background: var(--panel-bg-soft);
}

.level-card + .level-card {
  margin-top: 12px;
}

.level-card h3 {
  margin: 0;
}

.level-card p {
  margin: 0;
}

.level-card.ok {
  border-left-color: var(--ok);
}

.level-card.warn {
  border-left-color: var(--warning);
}

.level-card.fail {
  border-left-color: var(--fail);
}

.level-example {
  padding: 14px;
  border: 1px solid var(--border-strong);
  font-weight: 800;
}

.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.recommendation-card {
  padding: 14px;
  border: 1px solid var(--border);
  background: var(--panel-bg-soft);
}

.recommendation-card h3 {
  margin-top: 0;
}

.recommendation-card p {
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .guide-grid,
  .recommendation-grid {
    grid-template-columns: 1fr;
  }

  .guide-wide {
    grid-column: auto;
  }
}