/* How Long to Crack It?
   Scoped to this page. Uses the site tokens from css/style.css. */

.hc-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4.5rem;
  color: var(--text);
}

.hc-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0.5rem 0 1.25rem;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.hc-crumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.hc-crumb a:hover {
  color: var(--primary-soft);
}

.hc-hero {
  position: static;
  top: auto;
  z-index: auto;
  max-width: 42rem;
  margin-bottom: 1.25rem;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hc-badge {
  display: inline-block;
  margin: 0 0 0.9rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid #166534;
  border-radius: 999px;
  background: #052e16;
  color: #bbf7d0;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hc-hero h1,
.hc-block h2,
.hc-prose h2,
.hc-faq h2,
.hc-related h2,
.hc-share h2,
.hc-card h3,
.hc-whatif h3,
.hc-phrase-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-brand), Georgia, serif;
  font-weight: 600;
}

.hc-hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hc-hero p,
.hc-prose p,
.hc-quiet,
.hc-card p,
.hc-faq p,
.hc-lesson,
.hc-phrase-note,
.hc-share p {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.hc-steps {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.hc-steps li {
  padding-left: 0.15rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.hc-steps strong {
  color: var(--text);
}

.hc-block,
.hc-card,
.hc-whatif,
.hc-phrase-card,
.hc-share,
.hc-related a {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
}

.hc-block {
  padding: 1.1rem;
  margin-bottom: 1rem;
}

.hc-block h2,
.hc-prose h2,
.hc-faq h2,
.hc-related h2 {
  font-size: clamp(1.45rem, 3vw, 1.8rem);
}

.hc-field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.hc-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.55rem;
  align-items: stretch;
}

.hc-input {
  width: 100%;
  min-height: 52px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.hc-actions button,
.hc-inline button,
.hc-share button {
  min-height: 48px;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.hc-actions button[aria-pressed='true'],
.hc-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.hc-hint {
  margin: 0.55rem 0 0;
  color: var(--text-faint);
  font-size: 0.92rem;
}

.hc-summary {
  margin: 0.9rem 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.hc-scale {
  position: relative;
  height: 1.4rem;
  margin: 0.2rem 0 0.8rem;
  color: var(--text-faint);
  font-size: 0.75rem;
  font-weight: 650;
}

.hc-scale span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

.hc-scale span:first-child {
  transform: none;
}

.hc-scale span:last-child {
  transform: translateX(-100%);
}

.hc-scenarios {
  display: grid;
  gap: 0.75rem;
}

.hc-card {
  padding: 0.95rem 1rem 1rem;
}

.hc-card h3 {
  font-size: 1.25rem;
}

.hc-time {
  margin: 0.15rem 0;
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hc-card.is-instant .hc-time {
  color: #fecaca;
}

.hc-card.is-short .hc-time {
  color: #fde68a;
}

.hc-card.is-human .hc-time {
  color: #fcd34d;
}

.hc-card.is-history .hc-time {
  color: #99f6e4;
}

.hc-card.is-universe .hc-time {
  color: #bbf7d0;
}

.hc-compare,
.hc-assume,
.hc-detail {
  margin: 0.2rem 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.hc-assume {
  color: var(--text-faint);
  font-size: 0.88rem;
}

.hc-track {
  position: relative;
  height: 14px;
  margin-top: 0.75rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    #ef4444 0%,
    #f59e0b 30%,
    #facc15 50%,
    #2dd4bf 74%,
    #4ade80 100%
  );
}

.hc-marker {
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  margin-left: -8px;
  border: 2px solid #0a0a0a;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
  transition: left 0.55s ease;
}

.hc-patterns {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.hc-patterns:empty {
  display: none;
}

.hc-whatif-grid,
.hc-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.7rem;
}

.hc-whatif {
  padding: 0.85rem;
}

.hc-whatif h3,
.hc-phrase-card h3 {
  font-size: 1.05rem;
}

.hc-example {
  margin: 0.25rem 0;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  word-break: break-word;
}

.hc-phrase-card,
.hc-share {
  padding: 1rem;
  margin-top: 0.8rem;
}

.hc-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: end;
  margin-bottom: 0.8rem;
}

.hc-controls label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.hc-controls select {
  min-height: 48px;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.hc-phrase {
  margin: 0.3rem 0 0.7rem;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05rem;
  line-height: 1.45;
  word-break: break-word;
}

.hc-inline,
.hc-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.hc-status {
  min-height: 1.2rem;
  margin: 0.45rem 0 0;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.hc-prose,
.hc-faq,
.hc-related {
  margin-top: 2rem;
}

.hc-prose a,
.hc-faq a,
.hc-lesson a {
  color: var(--primary-soft);
}

.hc-faq details {
  border-top: 1px solid var(--border);
  padding: 0.75rem 0;
}

.hc-faq summary {
  cursor: pointer;
  font-weight: 700;
}

.hc-related-grid a {
  display: block;
  padding: 0.9rem 1rem;
  text-decoration: none;
}

.hc-related-grid strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.hc-related-grid span {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.hc-related-grid a:hover {
  border-color: var(--primary);
}

.hc-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hc-input:focus-visible,
.hc-actions button:focus-visible,
.hc-inline button:focus-visible,
.hc-share button:focus-visible,
.hc-controls select:focus-visible,
.hc-faq summary:focus-visible,
.hc-related-grid a:focus-visible {
  outline: 2px solid var(--primary-soft);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .hc-page {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  .hc-entry {
    grid-template-columns: 1fr 1fr;
  }

  .hc-input {
    grid-column: 1 / -1;
  }

  .hc-scale span {
    position: static;
    transform: none;
  }

  .hc-scale {
    display: flex;
    justify-content: space-between;
    height: auto;
    gap: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hc-marker,
  .hc-card,
  .hc-whatif,
  .hc-actions button,
  .hc-inline button {
    transition: none;
    animation: none;
  }
}

.hc-reduce .hc-marker {
  transition: none;
}