/* ===== TOOL & REFERENCE PAGES =====
   /due-date-calculator/, /how-many-weeks-pregnant/, /is-it-safe/

   Layered on tokens.css, which supplies the palette, the self-hosted fonts
   and the shared nav/footer styles. Nothing here redefines a token.

   Note on weights: Sora (--font-accent) is declared 400-600 in tokens.css,
   so 700 would render as synthetic bold. 600 is the top real weight. */

/* ===== LAYOUT ===== */

.tool-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.tool-hero {
  text-align: center;
  margin-bottom: 40px;
}

.tool-eyebrow {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-deep);
  margin: 0 0 12px;
}

.tool-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 2.85rem);
  line-height: 1.15;
  color: var(--text-1);
  margin: 0 0 16px;
}

.tool-lede {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 auto;
  max-width: 46ch;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(45, 37, 32, 0.04);
}

.tool-section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-1);
  margin: 0 0 20px;
}

.tool-prose {
  margin-top: 56px;
}

.tool-prose p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-2);
  margin: 0 0 18px;
}

.tool-prose strong {
  color: var(--text-1);
  font-weight: 700;
}

.tool-prose a,
.entry-readmore a,
.tool-crosslink a {
  color: var(--primary-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.tool-crosslink {
  padding: 16px 20px;
  background: var(--accent-light);
  border-radius: 12px;
}

.tool-disclaimer {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-3);
  text-align: center;
  margin: 24px auto 0;
  max-width: 44ch;
}

/* ===== CALCULATOR FORM ===== */

.calc-methods {
  border: 0;
  padding: 0;
  margin: 0 0 24px;
}

.calc-legend,
.calc-label {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 10px;
  padding: 0;
}

.calc-hint {
  display: block;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 2px;
}

.calc-method-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calc-method {
  position: relative;
  flex: 1 1 auto;
}

/* Visually hidden, but still focusable and still the thing the label drives,
   so keyboard and screen-reader users get a real radio group. */
.calc-method input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.calc-method span {
  display: block;
  text-align: center;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-2);
  background: var(--bg);
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.calc-method input:checked + span {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-deep);
  font-weight: 700;
}

.calc-method input:focus-visible + span {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.calc-field {
  margin-bottom: 22px;
}

.calc-field[hidden] {
  display: none;
}

.calc-field-inline {
  display: flex;
  gap: 16px;
}

.calc-input {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-body);
  /* 16px minimum, or iOS Safari zooms the page on focus. */
  font-size: 1rem;
  color: var(--text-1);
  background: var(--bg);
}

.calc-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.calc-input-narrow {
  width: 100px;
}

.calc-cycle {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-unit {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-2);
}

.calc-submit,
.tool-cta-submit {
  width: 100%;
  padding: 15px 24px;
  border: 0;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.calc-submit:hover,
.tool-cta-submit:hover {
  background: var(--primary-dark);
}

.calc-submit:focus-visible,
.tool-cta-submit:focus-visible {
  outline: 2px solid var(--primary-deep);
  outline-offset: 2px;
}

.calc-error {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: #b3261e;
  margin: 0 0 14px;
}

.calc-error[hidden] {
  display: none;
}

/* ===== CALCULATOR RESULT ===== */

.calc-result[hidden] {
  display: none;
}

.calc-result {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.result-eyebrow {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 8px;
}

.result-date {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  color: var(--primary-deep);
  margin: 0 0 20px;
  line-height: 1.2;
}

.result-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.result-stat {
  flex: 1 1 130px;
  padding: 14px 12px;
  background: var(--bg);
  border-radius: 12px;
}

.result-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-1);
}

.result-stat-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--text-2);
  margin-top: 3px;
}

.result-bar {
  height: 8px;
  border-radius: 99px;
  background: var(--border-light);
  overflow: hidden;
  margin-bottom: 10px;
}

.result-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

.result-note {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0;
}

.result-links {
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
}

.result-links a {
  color: var(--primary-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Upcoming gestational-age landmarks, shown under the result. */
.result-milestones {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: left;
}

.result-milestones-label {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 12px;
}

.result-milestones-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.result-milestones-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-light);
}

.result-milestones-list li:last-child {
  border-bottom: 0;
}

.milestone-label {
  font-family: var(--font-accent);
  font-size: 0.9063rem;
  font-weight: 600;
  color: var(--text-1);
}

.milestone-date {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-2);
  text-align: right;
  white-space: nowrap;
}

.milestone-away {
  grid-column: 1 / -1;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* ===== FAQ ===== */

.tool-faq {
  margin-top: 56px;
}

.tool-faq-item {
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}

.tool-faq-item summary {
  padding: 16px 0;
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.tool-faq-item summary::-webkit-details-marker {
  display: none;
}

.tool-faq-item summary::after {
  content: '+';
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--text-3);
}

.tool-faq-item[open] summary::after {
  content: '–';
}

.tool-faq-item p {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 0.9688rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* ===== WAITLIST CTA ===== */

.tool-cta {
  margin-top: 56px;
  padding: 32px;
  background: var(--accent-light);
  border-radius: 20px;
  text-align: center;
}

.tool-cta-eyebrow {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-deep);
  margin: 0 0 10px;
}

.tool-cta-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-1);
  margin: 0 0 10px;
}

.tool-cta-desc {
  font-family: var(--font-body);
  font-size: 0.9688rem;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 auto 20px;
  max-width: 40ch;
}

.tool-cta-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 440px;
  margin: 0 auto;
}

.tool-cta-input {
  flex: 1 1 200px;
  padding: 13px 15px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--surface);
  color: var(--text-1);
}

.tool-cta-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.tool-cta-submit {
  width: auto;
  flex: 0 0 auto;
}

/* Honeypot: off-screen rather than display:none, since some bots skip
   anything that is not rendered. Never shown to a real user. */
.tool-cta-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.tool-cta-note {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--text-3);
  margin: 14px 0 0;
}

/* ===== SAFETY DATABASE ===== */

.db-controls {
  margin-bottom: 22px;
}

.db-search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.db-search {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--bg);
  color: var(--text-1);
  margin-bottom: 14px;
}

.db-search:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 9px;
}

.chip {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--surface);
  font-family: var(--font-body);
  font-size: 0.8438rem;
  color: var(--text-2);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.chip:hover {
  border-color: var(--primary);
}

.chip[aria-pressed='true'] {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-deep);
  font-weight: 700;
}

.chip:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.db-count {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  color: var(--text-3);
  margin: 0 0 12px;
}

.db-empty {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-2);
  text-align: center;
  padding: 28px 16px;
  margin: 0;
}

.db-empty[hidden] {
  display: none;
}

.db-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.row {
  border-bottom: 1px solid var(--border-light);
}

.row[hidden] {
  display: none;
}

.row-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 14px;
  align-items: center;
  padding: 15px 4px;
  text-decoration: none;
  border-radius: 8px;
}

.row-link:hover {
  background: var(--bg);
}

.row-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.row-name {
  font-family: var(--font-accent);
  font-size: 0.9688rem;
  font-weight: 600;
  color: var(--text-1);
}

.row-why {
  grid-column: 1;
  font-family: var(--font-body);
  font-size: 0.8438rem;
  line-height: 1.5;
  color: var(--text-2);
}

.row-verdict {
  grid-row: 1 / span 2;
  grid-column: 2;
  padding: 5px 11px;
  border-radius: 99px;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Verdict colours carry a text label as well as a hue, so the verdict is
   never communicated by colour alone. */
.verdict-safe {
  background: var(--secondary-light);
  color: #3f6b4d;
}

.verdict-limit {
  background: var(--accent-light);
  color: #8a5a22;
}

.verdict-avoid {
  background: #fbe9e7;
  color: #a33527;
}

.verdict-ask {
  background: #eaeff5;
  color: #43607f;
}

/* ===== SAFETY ENTRY PAGE ===== */

.entry-main {
  max-width: 640px;
}

.entry-breadcrumb {
  font-family: var(--font-body);
  font-size: 0.8438rem;
  color: var(--text-3);
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.entry-breadcrumb a {
  color: var(--primary-deep);
  text-decoration: none;
}

.entry-breadcrumb a:hover {
  text-decoration: underline;
}

.entry {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}

.entry-verdict {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 99px;
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.entry-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  line-height: 1.25;
  color: var(--text-1);
  margin: 0 0 14px;
}

.entry-limit {
  font-family: var(--font-accent);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--primary-deep);
  padding: 14px 18px;
  background: var(--primary-light);
  border-radius: 12px;
  margin: 0 0 18px;
}

.entry-why,
.entry-detail {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0 0 16px;
}

.entry-readmore {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  margin: 0 0 24px;
}

.entry-sources-title {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 28px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.entry-sources {
  list-style: none;
  margin: 0;
  padding: 0;
}

.entry-sources li {
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.55;
}

.entry-sources a {
  color: var(--primary-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-verified {
  display: block;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 2px;
}

.entry-related {
  margin-top: 48px;
}

.entry-related-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--text-1);
  margin: 0 0 4px;
}

.entry-related-sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0 0 22px;
}

.entry-related-group + .entry-related-group {
  margin-top: 18px;
}

.entry-related-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

/* The verdict is the group heading, so it is always a word. This replaced a
   coloured dot beside each name, which carried the verdict in colour alone. */
.entry-related-label {
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 99px;
  white-space: nowrap;
}

.entry-related-rule {
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

.entry-related-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.entry-related-items a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-1);
  text-decoration: none;
  transition:
    border-color 0.2s ease,
    color 0.2s ease;
}

.entry-related-items a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.entry-related-items a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .entry-related-items a {
    transition: none;
  }
}

/* ===== RESPONSIVE ===== */

@media (max-width: 600px) {
  .tool-main {
    padding: 100px 18px 64px;
  }

  .tool-card,
  .entry,
  .tool-cta {
    padding: 22px 18px;
  }

  .calc-method-row {
    flex-direction: column;
  }

  .row-link {
    grid-template-columns: 1fr;
  }

  .row-verdict {
    grid-row: auto;
    grid-column: 1;
    justify-self: start;
    margin-top: 7px;
  }
}

/* Respect a reduced-motion preference: the only transitions here are hover
   affordances, and none of them carry meaning. */
@media (prefers-reduced-motion: reduce) {
  .calc-method span,
  .chip,
  .calc-submit,
  .tool-cta-submit {
    transition: none;
  }
}