/* Hallmark · genre: atmospheric · theme: WallCraft Dark · macrostructure: Workbench / Release Feed
 * Aligned with WallCraft Desktop Application design.md
 * pre-emit critique: P5 H5 E5 S5 R5 V5
 */

/* ── Changelog Layout & Ambient Backdrop ────────────────── */
.changelog-page {
  min-height: 100vh;
  position: relative;
  overflow-x: clip;
  background-color: var(--color-paper);
  background-image:
    radial-gradient(ellipse 60% 40% at 50% -10%, var(--color-bloom-1), transparent 70%),
    radial-gradient(circle 350px at 85% 20%, var(--color-bloom-2), transparent 80%),
    radial-gradient(var(--color-grid-mesh) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 24px 24px;
  background-position: 0 0, 0 0, 0 0;
  color: var(--color-ink);
  font-family: var(--font-body);
  padding-top: calc(var(--space-3xl) + 2rem);
  padding-bottom: var(--space-3xl);
}

/* ── Header / Hero Section ─────────────────────────────── */
.changelog-header {
  margin-bottom: var(--space-2xl);
}

.changelog-header__badge-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.changelog-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-family: var(--font-outlier);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule);
  color: var(--color-ink-2);
  box-shadow: var(--highlight-btn-small);
}

.changelog-badge--alpha {
  background: var(--color-accent-bg);
  border-color: var(--color-accent-border);
  color: var(--color-accent);
}

.changelog-badge--alpha::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.changelog-badge--version {
  background: var(--color-surface-3);
  border-color: var(--color-rule-strong);
  color: var(--color-ink);
}

.changelog-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  font-style: normal;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
  overflow-wrap: anywhere;
}

.changelog-lead {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: 680px;
  margin-bottom: var(--space-lg);
}

/* ── Timeline & Release Architecture ───────────────────── */
.changelog-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.changelog-timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 40px;
  left: 20px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-accent) 0%,
    var(--color-rule-strong) 40%,
    var(--color-rule-subtle) 100%
  );
  border-radius: 1px;
}

@media (max-width: 768px) {
  .changelog-timeline::before {
    display: none;
  }
}

/* ── Major Release Item Card ───────────────────────────── */
.changelog-release {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  padding-left: 54px;
}

@media (max-width: 768px) {
  .changelog-release {
    padding-left: 0;
  }
}

.timeline-node {
  position: absolute;
  left: 12px;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-paper);
  border: 3px solid var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  z-index: 2;
}

@media (max-width: 768px) {
  .timeline-node {
    display: none;
  }
}

.release-card {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window), inset 0 1px 0 0 oklch(1 0 0 / 0.08);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.release-card:hover {
  border-color: var(--color-rule-strong);
}

/* ── Release Header ────────────────────────────────────── */
.release-card__header {
  padding: var(--space-lg);
  background: var(--color-surface-1);
  border-bottom: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.release-card__version-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.release-version-tag {
  font-family: var(--font-outlier);
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.release-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-family: var(--font-outlier);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-accent-bg);
  border: 1px solid var(--color-accent-border);
  color: var(--color-accent);
}

.release-date-badge {
  font-size: 13px;
  color: var(--color-ink-muted);
  font-family: var(--font-body);
}

/* ── Release Body & Category Groups ────────────────────── */
.release-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.changelog-category {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.category-heading {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding-bottom: var(--space-2xs);
  border-bottom: 1px solid var(--color-rule-subtle);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  font-style: normal;
  color: var(--color-ink);
}

.category-icon-box {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-icon-box--features {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-border);
}

.category-icon-box--improvements {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

.category-icon-box--fixes {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

/* ── Typographic Changelog Entry List ──────────────────── */
.changelog-entry-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.changelog-entry {
  position: relative;
  padding: var(--space-xs) 0 var(--space-xs) 22px;
  border-bottom: 1px solid var(--color-rule-subtle);
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--color-ink-2);
}

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

.changelog-entry::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 1.15em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-rule-strong);
}

.changelog-entry-list--features .changelog-entry::before {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent-glow);
}

.changelog-entry-list--improvements .changelog-entry::before {
  background: var(--color-info);
  box-shadow: 0 0 6px var(--color-info-glow);
}

.changelog-entry-list--fixes .changelog-entry::before {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success-bg);
}

.changelog-entry__title {
  color: var(--color-ink);
  font-weight: 600;
  margin-right: 4px;
}

.changelog-entry__desc {
  color: var(--color-ink-2);
}

.changelog-entry__desc code {
  font-family: var(--font-outlier);
  font-size: 0.85em;
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  background: var(--color-surface-2);
  border: 1px solid var(--color-rule-subtle);
  color: var(--color-accent);
}