:root {
  --tool-ink: #111827;
  --tool-muted: #4b5563;
  --tool-border: #e5e7eb;
  --tool-surface: #ffffff;
  --tool-soft: #f3f4f6;
  --tool-accent: #6d28d9;
  --tool-accent-soft: #f5f3ff;
  --tool-success: #047857;
  --tool-error: #b91c1c;
}

.nav-links a.active {
  color: var(--tool-ink);
  font-weight: 600;
}

/* Keep the shared site chrome readable on this page. */
.btn-dashboard {
  background-color: #6d28d9;
}

.footer-bottom {
  color: #4b5563;
}

.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;
}

[hidden] {
  display: none !important;
}

.tool-page {
  max-width: 1320px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.breadcrumbs a {
  color: #6b7280;
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--tool-accent);
  text-decoration: underline;
}

.breadcrumbs .sep {
  color: #9ca3af;
}

.breadcrumbs [aria-current="page"] {
  color: var(--tool-ink);
  font-weight: 500;
}

.tool-hero {
  max-width: 760px;
  margin-bottom: 2rem;
}

.tool-eyebrow {
  margin: 0 0 0.5rem;
  color: var(--tool-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-hero h1 {
  margin: 0 0 0.75rem;
  color: var(--tool-ink);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.tool-lede {
  margin: 0;
  color: var(--tool-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.tool-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tool-meta span {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--tool-border);
  border-radius: 999px;
  background: var(--tool-surface);
  color: var(--tool-muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  align-items: start;
}

.tool-workspace {
  min-width: 0;
}

.tool-card,
.tool-options,
.tool-preview-card {
  border: 1px solid var(--tool-border);
  border-radius: 0.75rem;
  background: var(--tool-surface);
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

.tool-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 0.5rem 0;
  border-bottom: 1px solid var(--tool-border);
  background: #fafafa;
  border-radius: 0.75rem 0.75rem 0 0;
  overflow-x: auto;
}

.tool-tab {
  min-height: 44px;
  padding: 0.6rem 1rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--tool-muted);
  font: inherit;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.tool-tab:hover {
  color: var(--tool-ink);
}

.tool-tab[aria-selected="true"] {
  border-bottom-color: var(--tool-accent);
  color: var(--tool-accent);
}

.tool-tab:focus-visible,
.tool-button:focus-visible,
.tool-download:focus-visible,
.tool-options select:focus-visible,
.tool-options input:focus-visible,
.tool-editor:focus-visible,
.tool-advanced summary:focus-visible {
  outline: 3px solid #a78bfa;
  outline-offset: 2px;
}

.tool-editor-panel {
  min-height: 380px;
}

.tool-editor {
  display: block;
  width: 100%;
  min-height: 420px;
  padding: 1rem;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  color: #1f2937;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.65;
  resize: vertical;
  tab-size: 2;
}

.tool-editor-panel .CodeMirror {
  height: 420px;
  border-radius: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.65;
}

.tool-editor-panel .CodeMirror-gutters {
  border-right: 0;
}

.tool-editor-hint {
  margin: 0;
  padding: 0 1rem 0.85rem;
  color: var(--tool-muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.tool-editor-hint code {
  padding: 0.1rem 0.25rem;
  border-radius: 0.2rem;
  background: var(--tool-soft);
  color: #4c1d95;
  font-family: ui-monospace, monospace;
}

.tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  justify-content: space-between;
  padding: 1rem;
  border-top: 1px solid var(--tool-border);
  background: #fafafa;
}

.tool-preset {
  margin: 0;
  color: var(--tool-muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.tool-preset-hint {
  margin: 0;
  padding: 0 1rem 0.9rem;
  color: var(--tool-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.tool-example {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-example label {
  color: var(--tool-muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.tool-example select,
.tool-options select,
.tool-options input {
  min-height: 40px;
  padding: 0.45rem 0.6rem;
  border: 1px solid #d1d5db;
  border-radius: 0.4rem;
  background: #ffffff;
  color: var(--tool-ink);
  font: inherit;
  font-size: 0.9rem;
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.tool-dialog {
  max-width: 430px;
  width: calc(100% - 2rem);
  padding: 1.25rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--tool-surface);
  color: var(--tool-ink);
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.25);
}

.tool-dialog::backdrop {
  background: rgba(17, 24, 39, 0.5);
}

.tool-dialog h2 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.tool-dialog p {
  margin: 0;
  color: var(--tool-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.tool-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.tool-button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.45rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.tool-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.tool-button--primary {
  background: var(--tool-accent);
  color: #ffffff;
}

.tool-button--primary:hover:not(:disabled) {
  background: #5b21b6;
}

.tool-button--ghost {
  border-color: #d1d5db;
  background: #ffffff;
  color: var(--tool-muted);
}

.tool-button--ghost:hover {
  color: var(--tool-ink);
  background: var(--tool-soft);
}

.tool-status {
  min-height: 1.5rem;
  padding: 0 1rem;
  color: var(--tool-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.tool-status.is-error {
  color: var(--tool-error);
}

.tool-status.is-success {
  color: var(--tool-success);
}

.tool-limit-cta {
  margin: 0 1rem 0.85rem;
  padding: 1rem;
  border: 1px solid #ddd6fe;
  border-radius: 0.55rem;
  background: #f5f3ff;
}

.tool-limit-cta p {
  margin: 0 0 0.7rem;
  color: var(--tool-ink);
  font-size: 0.9rem;
  line-height: 1.5;
}

.tool-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tool-cta-actions .tool-button {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.tool-success-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  margin: 0 1rem 1rem;
  padding: 0.72rem 0.85rem;
  border-radius: 0.45rem;
  background: #ecfdf5;
  color: #065f46;
  font-size: 0.82rem;
}

.tool-success-cta a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.15rem;
  color: #047857;
  font-weight: 700;
  text-decoration: none;
}

.tool-success-cta a:hover {
  text-decoration: underline;
}

.tool-quota {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.75rem 1rem 1rem;
  color: var(--tool-muted);
  font-size: 0.82rem;
}

.tool-quota__label {
  color: var(--tool-ink);
  font-weight: 700;
}

.tool-options {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem;
}

.tool-options h2,
.tool-preview-head h2 {
  margin: 0 0 1rem;
  color: var(--tool-ink);
  font-size: 1rem;
}

.tool-field {
  margin-bottom: 0.9rem;
}

.tool-field label,
.tool-margins legend {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--tool-ink);
  font-size: 0.82rem;
  font-weight: 600;
}

.tool-field select,
.tool-field input {
  width: 100%;
}

.tool-hint {
  margin: 0.35rem 0 0;
  color: var(--tool-muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.tool-margins {
  margin: 0 0 0.9rem;
  padding: 0;
  border: 0;
}

.tool-margin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

.tool-margin-control,
.tool-custom-size-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0.5rem;
  align-items: center;
}

.tool-margin-control > label,
.tool-custom-size-row > label {
  display: block;
  margin: 0;
  color: var(--tool-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.tool-unit-row {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.tool-unit-row input {
  flex: 1;
  min-width: 0;
}

.tool-unit-row select {
  width: 66px;
  flex: 0 0 66px;
  padding-left: 0.4rem;
  padding-right: 0.2rem;
}

.tool-custom-size-row {
  margin-bottom: 0.65rem;
}

.tool-check {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  margin: 0.65rem 0;
  color: var(--tool-ink);
  font-size: 0.85rem;
  line-height: 1.3;
}

.tool-check input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--tool-accent);
}

.tool-check label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  line-height: 1.3;
  cursor: pointer;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1.4;
}

.tool-advanced {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--tool-border);
}

.tool-advanced summary {
  color: var(--tool-ink);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.tool-advanced .tool-field {
  margin-top: 0.75rem;
}

.tool-privacy {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--tool-border);
  color: var(--tool-muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.tool-preview-card {
  margin-top: 1.5rem;
  padding: 1rem;
}

.tool-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.tool-preview-head h2 {
  margin: 0;
}

.tool-download {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.8rem;
  border-radius: 0.4rem;
  background: var(--tool-accent-soft);
  color: #5b21b6;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.tool-download:hover {
  text-decoration: underline;
}

.tool-preview-empty {
  padding: 2rem 1rem;
  border: 1px dashed #d1d5db;
  border-radius: 0.5rem;
  color: var(--tool-muted);
  font-size: 0.9rem;
  text-align: center;
}

#preview-frame {
  display: block;
  width: 100%;
  min-height: 620px;
  border: 1px solid var(--tool-border);
  border-radius: 0.5rem;
  background: #ffffff;
}

.tool-seo {
  max-width: 920px;
  margin-top: 3rem;
  color: var(--tool-muted);
  line-height: 1.7;
}

.tool-seo h2 {
  margin: 2.25rem 0 0.75rem;
  color: var(--tool-ink);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.tool-seo h3 {
  margin: 0 0 0.4rem;
  color: var(--tool-ink);
  font-size: 1rem;
}

.tool-seo p {
  margin: 0 0 1rem;
}

.tool-seo a {
  color: #5b21b6;
  font-weight: 600;
}

.tool-steps {
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
  color: var(--tool-muted);
}

.tool-steps li {
  margin-bottom: 0.55rem;
  line-height: 1.65;
}

.tool-table-wrap {
  margin: 1rem 0 2rem;
  overflow-x: auto;
  border: 1px solid var(--tool-border);
  border-radius: 0.6rem;
}

.tool-compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--tool-surface);
  font-size: 0.9rem;
}

.tool-compare th,
.tool-compare td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--tool-border);
  text-align: left;
  vertical-align: top;
}

.tool-compare th {
  background: #fafafa;
  color: var(--tool-ink);
}

.tool-compare tr:last-child td {
  border-bottom: 0;
}

.tool-code {
  margin: 0 0 1rem;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 0.55rem;
  font-size: 0.8rem;
  line-height: 1.6;
}

.tool-related {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.9;
}

.tool-seo code {
  padding: 0.15rem 0.35rem;
  border-radius: 0.25rem;
  background: var(--tool-soft);
  color: #4c1d95;
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
}

.tool-seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.tool-seo-grid article {
  padding: 1rem;
  border: 1px solid var(--tool-border);
  border-radius: 0.6rem;
  background: var(--tool-surface);
}

.tool-seo details {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--tool-border);
}

.tool-seo summary {
  color: var(--tool-ink);
  font-weight: 600;
  cursor: pointer;
}

.tool-seo details p {
  margin: 0.6rem 0 0;
}

@media (max-width: 1000px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .tool-options {
    position: static;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .tool-page {
    padding: 1.25rem 1rem 3rem;
  }

  .tool-editor {
    min-height: 300px;
  }

  .tool-editor-panel {
    min-height: 300px;
  }

  .tool-editor-panel .CodeMirror {
    height: 300px;
  }

  .tool-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .tool-example,
  .tool-actions {
    width: 100%;
  }

  .tool-example select {
    flex: 1;
  }

  .tool-actions .tool-button {
    flex: 1 1 30%;
  }

  .tool-seo-grid {
    grid-template-columns: 1fr;
  }

  #preview-frame {
    min-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

/* CodeMirror theme contrast fixes. Higher specificity keeps these after the theme. */
.tool-editor-panel .cm-s-material-darker .cm-comment,
.tool-editor-panel .cm-s-material-darker .CodeMirror-linenumber {
  color: #b0bec5;
}

.tool-compliance-result {
  margin: 0 1rem 0.85rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid #ddd6fe;
  border-radius: 0.55rem;
  background: #faf5ff;
  color: var(--tool-ink);
  font-size: 0.82rem;
  line-height: 1.4;
}

.tool-compliance-result strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #6d28d9;
}

.tool-compliance-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tool-compliance-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.45rem;
  border: 1px solid #ddd6fe;
  border-radius: 999px;
  background: #fff;
  color: #4c1d95;
  font-size: 0.72rem;
  font-weight: 600;
}