/* =============================================================================
   CHARGED — Articles archive (compact editorial index)
   Scoped under .ch-archive. Pure-white surface (adapts in dark theme).
   Density model: two columns of small horizontal article rows.
   ============================================================================= */

.ch-archive {
  --arc-bg: #ffffff;
  --arc-ink: #141410;
  --arc-muted: #56534b;
  --arc-subtle: #86837a;
  --arc-line: rgba(20, 20, 16, 0.10);
  --arc-line-soft: rgba(20, 20, 16, 0.07);
  --arc-accent: #b87a0f;
  --arc-accent-bright: #d98c00;
  --arc-skeleton: rgba(20, 20, 16, 0.06);
  --arc-skeleton-shine: rgba(20, 20, 16, 0.11);

  --arc-thumb-w: 190px;

  background: var(--arc-bg);
  color: var(--arc-ink);
}

[data-theme="dark"] .ch-archive {
  --arc-bg: #0c0c14;
  --arc-ink: #f2ede4;
  --arc-muted: #b3afba;
  --arc-subtle: #8a8a9a;
  --arc-line: rgba(200, 149, 58, 0.18);
  --arc-line-soft: rgba(255, 255, 255, 0.08);
  --arc-accent: #e0ac52;
  --arc-accent-bright: #e0ac52;
  --arc-skeleton: rgba(255, 255, 255, 0.06);
  --arc-skeleton-shine: rgba(255, 255, 255, 0.12);
}

.ch-archive__container {
  max-width: 1200px;
}

/* -----------------------------------------------------------------------------
   Intro (compact)
   ----------------------------------------------------------------------------- */
.ch-archive__intro {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(1.25rem, 2.5vw, 1.75rem);
  border-bottom: 1px solid var(--arc-line);
}

.ch-archive__crumbs {
  margin-bottom: 1.1rem;
}

.ch-archive .ch-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--arc-subtle);
}
.ch-archive .ch-breadcrumb a {
  color: var(--arc-muted);
  text-decoration: none;
}
.ch-archive .ch-breadcrumb a:hover {
  color: var(--arc-accent-bright);
}
.ch-archive .ch-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--arc-subtle);
}

.ch-archive__eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--arc-accent);
}

.ch-archive__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--arc-ink);
}

.ch-archive__dek {
  margin: 0.6rem 0 0;
  max-width: 46rem;
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.55;
  color: var(--arc-muted);
}

/* -----------------------------------------------------------------------------
   Controls (search + filters) — compact
   ----------------------------------------------------------------------------- */
.ch-archive__body {
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.ch-archive__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-bottom: clamp(1.1rem, 2vw, 1.5rem);
  margin-bottom: clamp(1.5rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--arc-line);
}

.ch-archive__search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 240px;
  max-width: 320px;
}
.ch-archive__search-icon {
  position: absolute;
  left: 0.8rem;
  display: inline-flex;
  color: var(--arc-subtle);
  pointer-events: none;
}
.ch-archive__search-input {
  width: 100%;
  padding: 0.55rem 0.85rem 0.55rem 2.45rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--arc-ink);
  background: transparent;
  border: 1px solid var(--arc-line);
  border-radius: 4px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.ch-archive__search-input::placeholder {
  color: var(--arc-subtle);
}
.ch-archive__search-input:focus {
  outline: none;
  border-color: var(--arc-accent);
  box-shadow: 0 0 0 3px var(--ch-accent-dim);
}

.ch-archive__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.35rem;
  margin-left: auto;
}
.ch-archive__filter {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.ch-archive__filter:hover {
  color: var(--arc-accent-bright);
}
.ch-archive__filter.is-active {
  color: var(--arc-bg);
  background: var(--arc-ink);
}
[data-theme="dark"] .ch-archive__filter.is-active {
  color: #0c0c14;
  background: var(--arc-accent-bright);
}
.ch-archive__filter:focus-visible {
  outline: 2px solid var(--arc-accent);
  outline-offset: 2px;
}

/* -----------------------------------------------------------------------------
   Two-column compact index
   ----------------------------------------------------------------------------- */
.ch-archive__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(2rem, 4vw, 3.25rem);
  row-gap: 0;
}

.ch-post {
  position: relative;
  display: grid;
  grid-template-columns: var(--arc-thumb-w) 1fr;
  gap: 1.1rem;
  align-items: start;
  padding: clamp(1.1rem, 2vw, 1.5rem) 0;
  border-bottom: 1px solid var(--arc-line-soft);
}

/* Thumbnail — small, fixed, consistent aspect ratio */
.ch-post__thumb {
  display: block;
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 19 / 12;
  border-radius: 5px;
  background: var(--arc-skeleton);
  border: 1px solid var(--arc-line-soft);
  text-decoration: none;
}
.ch-post__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.ch-post__img--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 30%, var(--ch-accent-dim), transparent 62%),
    var(--arc-skeleton);
}
.ch-post__mark {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--arc-muted);
}
.ch-post:hover .ch-post__img {
  transform: scale(1.04);
}

.ch-post__text {
  min-width: 0;
}

.ch-post__cat {
  margin: 0.1rem 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--arc-accent);
}

.ch-post__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 1.55vw, 1.35rem);
  line-height: 1.16;
  letter-spacing: -0.005em;
}
.ch-post__titlelink {
  color: var(--arc-ink);
  text-decoration: none;
  transition: color 0.18s ease;
}
.ch-post__titlelink:hover {
  color: var(--arc-accent-bright);
}
/* Stretched link — whole row clickable, one tab stop, heading semantics kept */
.ch-post__titlelink::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
.ch-post__titlelink:focus-visible {
  outline: 2px solid var(--arc-accent);
  outline-offset: 3px;
}

.ch-post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--arc-subtle);
}
.ch-post__author {
  color: var(--arc-muted);
  font-weight: 600;
}
.ch-post__dot {
  color: var(--arc-subtle);
}

/* Related-articles reuse (article.php) — same compact rows, trimmed dividers */
.ch-archive--related {
  background: transparent;
}
.ch-archive--related .ch-post {
  padding-top: 0;
}
.ch-archive--related .ch-post:last-child {
  border-bottom: 0;
}
@media (min-width: 901px) {
  .ch-archive--related .ch-post:nth-last-child(2):nth-child(odd) {
    border-bottom: 0;
  }
}

/* -----------------------------------------------------------------------------
   States: empty, error, load more, skeletons
   ----------------------------------------------------------------------------- */
.ch-archive__state {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(2.25rem, 5vw, 3.75rem) 1rem;
  border: 1px dashed var(--arc-line);
  border-radius: 6px;
  margin-top: 1.25rem;
}
.ch-archive__state[hidden] {
  display: none;
}
.ch-archive__state h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  color: var(--arc-ink);
}
.ch-archive__state p {
  margin: 0 0 1rem;
  color: var(--arc-muted);
}
.ch-archive__state p:last-child {
  margin-bottom: 0;
}

.ch-archive__more {
  display: flex;
  justify-content: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}
.ch-archive__loadmore[hidden] {
  display: none;
}
.ch-archive__loadmore {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 160px;
  justify-content: center;
}
.ch-archive__loadmore[aria-busy="true"] {
  opacity: 0.7;
  pointer-events: none;
}
.ch-archive__spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ch-arc-spin 0.7s linear infinite;
}
.ch-archive__loadmore[aria-busy="true"] .ch-archive__spinner {
  display: inline-block;
}

@keyframes ch-arc-spin {
  to { transform: rotate(360deg); }
}

/* Skeleton loading rows (injected by JS) — mirror the compact layout */
.ch-post--skeleton {
  pointer-events: none;
}
.ch-post--skeleton .ch-post__text {
  padding-top: 0.1rem;
}
.ch-skel {
  position: relative;
  overflow: hidden;
  background: var(--arc-skeleton);
  border-radius: 4px;
  display: block;
}
.ch-skel::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, var(--arc-skeleton-shine), transparent);
  animation: ch-arc-shine 1.3s infinite;
}
.ch-skel--thumb { aspect-ratio: 19 / 12; border-radius: 5px; }
.ch-skel--cat { height: 0.6rem; width: 35%; margin-bottom: 0.7rem; }
.ch-skel--title { height: 1rem; width: 92%; margin-bottom: 0.5rem; }
.ch-skel--title2 { height: 1rem; width: 60%; margin-bottom: 0.9rem; }
.ch-skel--meta { height: 0.6rem; width: 50%; }

@keyframes ch-arc-shine {
  100% { transform: translateX(100%); }
}

/* -----------------------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------------------- */
/* Single column, still compact horizontal rows */
@media (max-width: 900px) {
  .ch-archive__grid {
    grid-template-columns: 1fr;
  }
  .ch-archive__container {
    max-width: 720px;
  }
}

@media (max-width: 560px) {
  .ch-archive {
    --arc-thumb-w: 120px;
  }
  .ch-post {
    gap: 0.9rem;
  }
  .ch-post__title {
    font-size: clamp(1.05rem, 4.6vw, 1.2rem);
  }
  .ch-archive__controls {
    flex-direction: column;
    align-items: stretch;
  }
  .ch-archive__search {
    max-width: none;
  }
  .ch-archive__filters {
    margin-left: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.2rem;
  }
  .ch-archive__filters::-webkit-scrollbar {
    display: none;
  }
  .ch-archive__filter {
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ch-post__img,
  .ch-post__titlelink {
    transition: none;
  }
  .ch-post:hover .ch-post__img {
    transform: none;
  }
  .ch-skel::after,
  .ch-archive__spinner {
    animation: none;
  }
}