/*
 * chains.css — Confession chain ("the thread") styles.
 * Vertical thread of connected confessions with crimson connecting line.
 */

/* ── Chain section on permalink page ── */
.chain-section {
  margin-bottom: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.chain-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: lowercase;
  margin-bottom: var(--space-xs);
}

.chain-section__subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(232, 232, 232, 0.35);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.chain-section__list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Chain node ── */
.chain-node {
  position: relative;
  padding-left: var(--space-lg);
}

.chain-node__line {
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(139, 0, 0, 0.4);
}

.chain-node:first-child .chain-node__line {
  top: 50%;
}

.chain-node:last-child .chain-node__line {
  bottom: 50%;
}

.chain-node:only-child .chain-node__line {
  display: none;
}

/* Crimson dot on the line */
.chain-node::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(139, 0, 0, 0.6);
  border: 1px solid rgba(139, 0, 0, 0.8);
  z-index: 1;
}

.chain-node--current::before {
  background: #8b0000;
  box-shadow: 0 0 8px rgba(139, 0, 0, 0.6);
  width: 12px;
  height: 12px;
  left: 3px;
}

.chain-node__card {
  display: block;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xs) 0;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.chain-node__card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(139, 0, 0, 0.3);
}

.chain-node--current .chain-node__card {
  border-color: rgba(139, 0, 0, 0.4);
  background: rgba(139, 0, 0, 0.05);
}

.chain-node__text {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.5;
  color: rgba(232, 232, 232, 0.75);
  margin: 0 0 var(--space-xs);
}

.chain-node--current .chain-node__text {
  color: rgba(232, 232, 232, 0.9);
}

.chain-node__meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: rgba(232, 232, 232, 0.3);
  letter-spacing: 0.03em;
}

/* ── Chain CTA ── */
.chain-cta {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.chain-cta__button {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(139, 0, 0, 0.8);
  text-decoration: none;
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid rgba(139, 0, 0, 0.3);
  border-radius: 4px;
  transition: all 0.2s ease;
  letter-spacing: 0.03em;
}

.chain-cta__button:hover {
  background: rgba(139, 0, 0, 0.1);
  border-color: rgba(139, 0, 0, 0.5);
  color: #8b0000;
}

/* ── Chain context on confess page ── */
.chain-context {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.chain-context__label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(232, 232, 232, 0.4);
  text-transform: lowercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.chain-context__card {
  padding: var(--space-md) var(--space-lg);
  background: rgba(139, 0, 0, 0.05);
  border: 1px solid rgba(139, 0, 0, 0.2);
  border-radius: 6px;
}

.chain-context__text {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.5;
  color: rgba(232, 232, 232, 0.6);
  margin-bottom: var(--space-xs);
}

.chain-context__meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: rgba(232, 232, 232, 0.3);
}

/* ── Chain badge on cards ── */
.card__chain-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: rgba(139, 0, 0, 0.7);
  letter-spacing: 0.03em;
}

.card__chain-badge svg {
  opacity: 0.7;
  color: #8b0000;
}