/* ============================================================
   INDEX / TRAILHEAD PAGE STYLES — Cairns
   ============================================================ */

/* ── Labels ── */
.sublabel {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.6;
  margin-bottom: 0.8rem;
}

/* ── Layout: Three-Column Grid ── */
.layout {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  min-height: calc(100vh - 52px - 120px);
}
.sidebar-left,
.sidebar-right {
  padding: 1.8rem 1.2rem;
  border-right: 1px solid var(--border);
}
.sidebar-right {
  border-right: none;
  border-left: 1px solid var(--border);
}
.main-content {
  padding: 1.8rem 2rem;
}

/* ── Sidebar Left: Categories ── */
.cat-list {
  list-style: none;
  margin-bottom: 2rem;
}
.cat-list li {
  margin-bottom: 0.15rem;
}
.cat-list a {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.4rem 0.6rem;
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: all 0.15s;
}
.cat-list a:hover {
  color: var(--text);
  text-decoration: none;
}
.cat-list a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-glow);
}
.volume-note {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Hero / Featured Card ── */
.hero-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-alt) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.hero-card__title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.3;
  margin-bottom: 0.6rem;
}
.hero-card__desc {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}
.hero-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}
.hero-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-primary:hover {
  background: var(--accent-dim);
  text-decoration: none;
  color: #fff;
}

/* ── Search Bar ── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.55rem 0.9rem;
  margin-bottom: 0.8rem;
}
.search-bar svg { flex-shrink: 0; color: var(--text-muted); }
.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.82rem;
  font-family: var(--font-sans);
}
.search-bar input::placeholder { color: var(--text-muted); }
.tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.8rem;
}
.tag-pill {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.tag-pill:hover, .tag-pill.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── Article Entries ── */
.entry {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--border);
}
.entry:last-child { border-bottom: none; }
.entry__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.entry__body { flex: 1; }
.entry__aside {
  text-align: right;
  flex-shrink: 0;
  padding-top: 0.2rem;
}
.entry__aside-line {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.7;
  white-space: nowrap;
}
.entry__cat {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  margin-bottom: 0.45rem;
}
.entry__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.35rem;
  line-height: 1.35;
}
.entry__title a { color: inherit; text-decoration: none; }
.entry__title a:hover { text-decoration: underline; }
.entry__desc {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 0.6rem;
}
.entry__meta {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* ── Featured Entry (card style) ── */
.entry--featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.3rem 1.4rem;
  margin: 0.8rem 0;
  border-bottom: 1px solid var(--border);
}
.entry--featured .entry__reading-link {
  display: inline-block;
  margin-top: 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.entry--featured .entry__reading-link:hover { text-decoration: underline; }

/* ── Right Sidebar ── */
.contrib-list {
  list-style: none;
  margin-bottom: 2rem;
}
.contrib-list li {
  font-size: 0.78rem;
  color: var(--text);
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border);
}
.contrib-list li:last-child { border-bottom: none; }
.meta-table {
  font-size: 0.72rem;
}
.meta-table dt {
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.6rem;
}
.meta-table dd {
  color: var(--text);
  margin-left: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

/* ── SVG icon helper ── */
.icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  vertical-align: -2px;
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar-left,
  .sidebar-right {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 1.5rem;
  }
  .sidebar-right { border-bottom: none; border-top: 1px solid var(--border); }
  .main-content { padding: 1.5rem; }
}
@media (max-width: 600px) {
  .hero-card { padding: 1.3rem; }
  .hero-card__title { font-size: 1.25rem; }
  .entry__head { flex-direction: column; }
  .entry__aside { text-align: left; }
}