/* ============================================================
   CHANGELOG PAGE
   Diaphonous palette: ivory bg, terracotta accents, sage for Fix
   ============================================================ */

.changelog-page {
  min-height: 100vh;
  background: var(--bg);
}

.changelog-hero {
  padding: 80px 40px 60px;
  text-align: center;
  border-bottom: 1px solid var(--ivory-mid);
  background: var(--bg);
}

.changelog-hero-inner {
  max-width: 640px;
  margin: 0 auto;
}

.changelog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.changelog-heading {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 16px;
}

.changelog-sub {
  font-size: var(--text-lg);
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 32px;
}

/* Subscribe strip */
.changelog-subscribe {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 460px;
  margin: 0 auto;
}

.changelog-subscribe-form {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.changelog-email-input {
  background: var(--surface);
  border: 1.5px solid var(--ivory-deep);
  border-radius: var(--radius-pill);
  padding: 11px 18px;
  color: var(--fg);
  font-family: var(--sans);
  font-size: var(--text-sm);
  outline: none;
  min-width: 240px;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.changelog-email-input::placeholder { color: var(--fg-subtle); }

.changelog-email-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.changelog-subscribe-success {
  font-size: var(--text-sm);
  color: var(--sage);
  font-weight: 500;
  padding: 8px 16px;
  background: var(--sage-light);
  border: 1px solid var(--sage-border);
  border-radius: var(--radius-pill);
}

.changelog-subscribe-error {
  font-size: var(--text-sm);
  color: #C0624A;
  font-weight: 500;
  width: 100%;
  text-align: center;
}

/* Main content */
.changelog-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 40px;
}

/* Month group */
.changelog-month {
  margin-bottom: 56px;
}

.changelog-month-label {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ivory-mid);
}

.changelog-month-label span {
  color: var(--fg-subtle);
  font-weight: 400;
}

/* Entry */
.changelog-entry {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--ivory-mid);
  align-items: start;
}

.changelog-entry:last-child {
  border-bottom: none;
}

.changelog-entry-date {
  font-family: var(--mono);
  font-size: var(--text-xs);
  color: var(--fg-subtle);
  padding-top: 4px;
  text-align: right;
  letter-spacing: 0.05em;
}

.changelog-entry-body {}

.changelog-entry-top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.changelog-entry-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.changelog-entry-desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 560px;
  margin-top: 6px;
}

/* Category badges */
.badge-feature {
  background: rgba(196, 168, 130, 0.12);
  color: var(--accent-dark);
  border: 1px solid rgba(196, 168, 130, 0.3);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-fix {
  background: rgba(61, 81, 73, 0.1);
  color: var(--sage);
  border: 1px solid rgba(61, 81, 73, 0.25);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-new {
  background: rgba(44, 44, 44, 0.06);
  color: var(--fg);
  border: 1px solid rgba(44, 44, 44, 0.15);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-improvement {
  background: rgba(235, 228, 223, 0.8);
  color: var(--fg-muted);
  border: 1px solid var(--ivory-mid);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

/* Footer subscribe repeat */
.changelog-footer-subscribe {
  padding: 64px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--ivory-mid);
  text-align: center;
}

.changelog-footer-inner {
  max-width: 560px;
  margin: 0 auto;
}

.changelog-footer-subscribe h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.changelog-footer-subscribe p {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-bottom: 28px;
}

/* Responsive */
@media (max-width: 768px) {
  .changelog-hero { padding: 60px 24px 40px; }
  .changelog-content { padding: 56px 24px; }
  .changelog-entry { grid-template-columns: 1fr; gap: 8px; }
  .changelog-entry-date { text-align: left; padding-top: 0; }
  .changelog-email-input { min-width: 200px; }
  .changelog-footer-subscribe { padding: 48px 24px; }
}