/*
  Frontend v2 canary layer.
  Scope all changes under .frontend-v2 so legacy pages remain unchanged.
*/

.frontend-v2 {
  --v2-ink-soft: var(--text-secondary);
  --v2-band-bg: #f6f8fc;
  --v2-band-border: var(--surface-border);
  --v2-title: #0b1938;
  --v2-accent: #1d4ed8;
  --v2-accent-soft: #dbeafe;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--surface-bg);
}

.frontend-v2 h1,
.frontend-v2 h2,
.frontend-v2 h3 {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  letter-spacing: -0.02em;
}

.frontend-v2 h1,
.frontend-v2 .tool-title h1,
.frontend-v2 .section-header h2 {
  color: var(--v2-title);
}

html.dark .frontend-v2 {
  --v2-title: #e6eefc;
}

.frontend-v2 p,
.frontend-v2 li {
  color: #334155;
}

html.dark .frontend-v2 p,
html.dark .frontend-v2 li {
  color: #d5e2f6;
}

html.dark .frontend-v2 .tool-title-icon {
  color: #60a5fa;
}

.frontend-v2 .section-compact {
  padding: 0.6rem 0 0;
}

.frontend-v2 .v2-quick-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0.15rem 0 0.7rem;
}

.frontend-v2 .v2-quick-jump a {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: var(--surface-card);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.28rem 0.62rem;
}

.frontend-v2 .v2-quick-jump a:hover {
  background: var(--surface-card2);
}

.frontend-v2 .v2-jump-inline {
  margin: 0.15rem 0 1.1rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
}

.frontend-v2 .v2-jump-inline a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}

.frontend-v2 .v2-jump-inline a:hover {
  color: var(--brand-primary);
}

.frontend-v2 .v2-breaker {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #93c5fd;
  border-radius: 0.6rem;
  background: #f8fbff;
  padding: 0.5rem 0.72rem;
}

.frontend-v2 .v2-breaker p {
  margin: 0;
  font-size: 0.87rem;
  color: var(--v2-ink-soft);
  font-weight: 600;
  line-height: 1.2;
}

.frontend-v2 .v2-breaker-icon {
  display: inline-flex;
  width: 1.1rem;
  height: 1.1rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.35rem;
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  color: #1e3a8a;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1;
}

.frontend-v2 .v2-disclosure {
  margin: 0.85rem 0 1rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  padding: 0.55rem 0.9rem 0.8rem;
  box-shadow: none;
}

.frontend-v2 .v2-disclosure > summary {
  cursor: pointer;
  list-style: none;
  margin: 0 -0.1rem 0.45rem;
  font-size: 0.9rem;
  color: var(--link-color);
  font-weight: 600;
}

.frontend-v2 .v2-disclosure > summary::-webkit-details-marker {
  display: none;
}

.frontend-v2 .v2-disclosure > summary::after {
  content: " ▾";
  color: var(--text-secondary);
}

.frontend-v2 .v2-disclosure[open] > summary::after {
  content: " ▴";
}

.frontend-v2 .page-header .lead,
.frontend-v2 .tool-header .lead {
  max-width: 66ch;
}

.frontend-v2 .section-header {
  margin-bottom: 1.05rem;
}

.frontend-v2 .section-header h2 {
  display: inline-block;
  margin-bottom: 0.45rem;
}

.frontend-v2 .section-header .section-lead {
  max-width: 68ch;
  margin: 0;
}

.frontend-v2 .section-block.with-divider {
  border-top: 1px solid #d9e2ef;
}

.frontend-v2 .section-shell.with-divider,
.frontend-v2 .section-block.with-divider {
  position: static;
}

.frontend-v2 .editorial-body,
.frontend-v2 .editorial-block {
  max-width: 72ch;
}

.frontend-v2 .tool-page .editorial-block {
  margin-bottom: 1.7rem;
}

.frontend-v2 .v2-quick-panel {
  margin-bottom: 1.2rem;
  background: #f4f8ff;
  border-color: #bfdbfe;
  box-shadow: none;
  max-width: none;
}

html.dark .frontend-v2 .v2-quick-panel {
  background: #0f1d38;
  border-color: #1e3a8a;
}

.frontend-v2 .v2-reading-flow > p {
  margin-bottom: 1.05rem;
}

.frontend-v2 .v2-editorial-block {
  border-top: 0;
  padding-top: 0;
}

.frontend-v2 .v2-editorial-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.frontend-v2 .tool-page h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
}

.frontend-v2 .tool-page .section-block {
  padding-top: 1.8rem;
}

.frontend-v2 .tool-page .section-block.with-divider {
  margin-top: 1.2rem;
}

.frontend-v2 .tool-page .v2-major-section {
  padding-top: 1.7rem;
}

.frontend-v2 .tool-page .v2-major-section.with-divider {
  border-top: 1px solid #dbe5f4;
}

.frontend-v2 .tool-page .v2-major-header {
  margin-bottom: 0.85rem;
}

.frontend-v2 .tool-page .v2-major-header h2 {
  margin-bottom: 0.35rem;
}

.frontend-v2 .tool-page .section-header,
.frontend-v2 .tool-page .editorial-body,
.frontend-v2 .tool-page .editorial-block {
  max-width: none;
}

.frontend-v2 .tool-page .tool-support-stack {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
}

.frontend-v2 .v2-ordered-steps {
  margin: 0.45rem 0 0.75rem 1.1rem;
}

.frontend-v2 .v2-result-legend {
  margin-top: 0.7rem;
  padding-top: 0.65rem;
  border-top: 1px solid #dbe5f4;
}

.frontend-v2 .v2-result-legend .editorial-list {
  margin: 0.25rem 0 0;
}

.frontend-v2 .tool-page .tool-support-stack > .card.rail-card {
  margin: 0 !important;
}

.frontend-v2 .tool-page .tool-support-stack > .card.rail-card:last-child {
  margin: 0 !important;
}

.frontend-v2 .tool-page .used-with {
  margin: 0;
  padding-top: 0;
  border-top: 0;
}

.frontend-v2 .tools-hub-main .section-block {
  border-radius: var(--radius-xl);
  background: #ffffff;
  padding: 1.1rem;
  box-shadow: none;
}

.frontend-v2 .tools-hub-main .section-block.with-divider {
  border: 1px solid #dbe5f4;
}

.frontend-v2 .hero-shell {
  gap: 1.8rem;
}

.frontend-v2 .card,
.frontend-v2 .soft-panel {
  border-color: #e2e8f0;
  box-shadow: none;
}

.frontend-v2 .tool-main.card.module-card {
  background: #ffffff;
}

.frontend-v2 .tool-results .rail-card {
  background: #ffffff;
}

.frontend-v2 .result-card {
  border-color: #dbe4f2;
  background: #f7faff;
}

.frontend-v2 .tool-page #tool-calc #calc-result.result-card {
  min-height: 340px;
}

html.dark .frontend-v2 .card,
html.dark .frontend-v2 .soft-panel {
  border-color: #334155;
  background: #0f172a;
}

html.dark .frontend-v2 .tool-main.card.module-card,
html.dark .frontend-v2 .tool-results .rail-card {
  background: #0f172a;
}

html.dark .frontend-v2 .result-card {
  border-color: #334155;
  background: #111827;
}

html.dark .frontend-v2 .result-title,
html.dark .frontend-v2 .small,
html.dark .frontend-v2 .small-label,
html.dark .frontend-v2 .input-label,
html.dark .frontend-v2 .share-label {
  color: #c9d8f3;
}

html.dark .frontend-v2 .input-field,
html.dark .frontend-v2 input,
html.dark .frontend-v2 textarea,
html.dark .frontend-v2 select {
  background: #0b1730;
  border-color: #334155;
  color: #f8fbff;
}

.frontend-v2 .btn-primary,
.frontend-v2 .btn.primary {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 70%);
  border-color: #1e3a8a;
}

.frontend-v2 .btn-primary:hover,
.frontend-v2 .btn.primary:hover {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 70%);
}

.frontend-v2 .accordion-item summary {
  font-weight: 700;
}

.frontend-v2 .tool-support-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.frontend-v2 .v2-link-panel {
  padding: 0.9rem;
}

.frontend-v2 .v2-link-panel .v2-link-panel-lead {
  margin: 0 0 0.55rem;
}

.frontend-v2 .v2-bullet-links {
  margin: 0.3rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.55rem;
}

.frontend-v2 .v2-bullet-links li {
  margin: 0;
  padding: 0;
}

.frontend-v2 .v2-bullet-links .v2-link-title {
  display: inline;
  margin: 0;
}

.frontend-v2 .v2-bullet-links .v2-bullet-note {
  display: inline;
  margin-left: 0.35rem;
  color: #475569;
}

.frontend-v2 .v2-link-list {
  grid-template-columns: 1fr;
  gap: 0.42rem;
}

.frontend-v2 .v2-link-item {
  margin: 0;
  border: 1px solid #e2e8f0;
  border-radius: 0.52rem;
  background: #ffffff;
  padding: 0.48rem 0.62rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.frontend-v2 .v2-link-title {
  display: block;
  font-size: 0.96rem;
  line-height: 1.3;
  margin-bottom: 0.1rem;
}

.frontend-v2 .v2-link-meta {
  margin: 0;
  color: #475569;
}

.frontend-v2 .v2-link-panel-footer {
  margin: 0.6rem 0 0;
}

.frontend-v2 .tool-page #tool-calc.tool-layout {
  align-items: stretch;
}

.frontend-v2 .tool-page #tool-calc .tool-main,
.frontend-v2 .tool-page #tool-calc .tool-results {
  height: 100%;
}

.frontend-v2 .tool-page #tool-calc .tool-results > .rail-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.frontend-v2 .tool-page #tool-calc .tool-results .share-actions {
  margin-top: auto;
}

.frontend-v2 #tool-calc,
.frontend-v2 #tool-guide,
.frontend-v2 #tool-examples,
.frontend-v2 #tool-faq,
.frontend-v2 #home-popular,
.frontend-v2 #home-why,
.frontend-v2 #home-plan-guide,
.frontend-v2 #home-directory,
.frontend-v2 #tool-search,
.frontend-v2 #tools-categories,
.frontend-v2 #tools-comparisons,
.frontend-v2 #tools-faq {
  scroll-margin-top: calc(var(--site-header-h) + 0.85rem);
}

.frontend-v2 .v2-section-break {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.25rem 0 0.75rem;
}

.frontend-v2 .v2-section-break-line {
  height: 1px;
  flex: 1 1 auto;
  background: #dbe5f4;
}

.frontend-v2 .v2-section-break-icon {
  width: 0.92rem;
  height: 0.92rem;
  stroke: #1d4ed8;
  fill: #1d4ed8;
  stroke-width: 0;
  flex: 0 0 auto;
}

@media (max-width: 980px) {
  .frontend-v2 .tools-hub-main .section-block {
    padding: 0.85rem;
  }

  .frontend-v2 .v2-jump-inline {
    line-height: 1.6;
  }

  .frontend-v2 .tool-support-pair {
    grid-template-columns: 1fr;
  }

  .frontend-v2 .v2-link-list {
    grid-template-columns: 1fr;
  }

  .frontend-v2 .tool-page .v2-major-section {
    padding-top: 1.35rem;
  }

  .frontend-v2 .tool-page #tool-calc #calc-result.result-card {
    min-height: 280px;
  }
}

html.dark .frontend-v2 .v2-link-item {
  border-color: #334155;
  background: #0f172a;
}

html.dark .frontend-v2 .v2-link-meta {
  color: #cbd5e1;
}

html.dark .frontend-v2 .v2-bullet-links .v2-bullet-note {
  color: #cbd5e1;
}