/* === Charger Activity — three-feed board ===
 * Reuses the site's existing vocabulary: the album-track-result row (tier dot +
 * contam/dogma badges + charge), the calibration-log filter pill (toggle) and
 * load-more button. All --rc-* tokens; page constrained to the site width. */

.ca-page-main {
  max-width: var(--rc-max-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  font-family: var(--rc-font-sans, 'Inter', system-ui, sans-serif);
}

/* --- Page header --- */
.ca-head { margin: 0 0 2rem; }
.ca-eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--rc-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ca-eyebrow a { color: var(--rc-accent); text-decoration: none; }
.ca-eyebrow a:hover { text-decoration: underline; }
.ca-title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--rc-text-bright);
  letter-spacing: -0.01em;
}
.ca-intro {
  margin: 0;
  max-width: 64ch;
  color: var(--rc-text-dim);
  line-height: 1.6;
  font-size: 0.98rem;
}

/* --- Board --- */
.ca-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.ca-column {
  background: var(--rc-bg-panel);
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius-lg);
  padding: 1.1rem 1.1rem 1.25rem;
  min-width: 0;
}

.ca-col-head { margin-bottom: 0.9rem; }
.ca-col-title {
  margin: 0 0 0.25rem;
  font-size: 1.26rem;  /* +20% over 1.05rem */
  font-weight: 700;
  color: var(--rc-text-bright);
}
.ca-col-sub {
  margin: 0;
  font-size: 0.82rem;
  color: var(--rc-text-dim);
  line-height: 1.45;
}

/* --- Window toggle: the calibration-log filter pill --- */
.ca-toggle { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.8rem; }
.ca-toggle-btn {
  background: transparent;
  border: 1px solid var(--rc-border);
  color: var(--rc-text-dim);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--rc-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  transition: all var(--rc-ease-fast);
}
.ca-toggle-btn:hover { color: var(--rc-text-bright); border-color: var(--rc-border-ui); }
.ca-toggle-active,
.ca-toggle-active:hover {
  color: var(--rc-bg-dark);
  background: var(--rc-accent);
  border-color: var(--rc-accent);
}

/* --- Feed list of song cards --- */
.ca-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

/* Each song is a distinct elevated card on the panel — clear border + hover. */
.ca-card { margin: 0; }
.ca-card-link {
  display: block;
  padding: 0.6rem 0.75rem;
  background: var(--rc-bg-card);
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius-md);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--rc-elevated-shadow, none);
  transition: border-color var(--rc-ease-fast), transform var(--rc-ease-fast);
}
a.ca-card-link:hover { border-color: var(--rc-accent); }
a.ca-card-link:active { transform: translateY(1px); }

/* Top line: rank? + tier dot + title + contam/dogma + charge */
.ca-line {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 0.5rem;
}
.ca-line.has-rank { grid-template-columns: 1.5rem auto 1fr auto; }

.ca-rank {
  font-family: var(--rc-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--rc-text-dim);
  text-align: right;
}

/* Tier dot — verbatim .atr-dot */
.ca-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  display: inline-block;
}

.ca-song {
  font-family: var(--rc-font-mono);
  color: var(--rc-text-bright);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
}
.ca-song-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Contamination uses the homepage .contam-icon (radioactive glyph, main.css).
   Dogma is its inline sibling — the scroll glyph, carrying its own color. */
.ca-dogma {
  flex: 0 0 auto;
  font-size: 0.8rem;
  line-height: 1;
}

/* Charge — mono, colored by tier (parity with the library charge cell) */
.ca-charge {
  font-family: var(--rc-font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: right;
}
.ca-charge.color-violet { color: var(--rc-violet); }
.ca-charge.color-blue   { color: var(--rc-blue); }
.ca-charge.color-green  { color: var(--rc-green); }
.ca-charge.color-orange { color: var(--rc-orange); }
.ca-charge.color-red    { color: var(--rc-red); }

/* Bottom line: artist + the feed's metric */
.ca-sub {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.3rem;
  padding-left: 1.2rem;  /* align under the title past the dot */
}
.ca-artist {
  font-size: 0.8rem;
  color: var(--rc-text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ca-metric {
  flex: 0 0 auto;
  font-family: var(--rc-font-mono);
  font-size: 0.72rem;
  color: var(--rc-text-dim);
  white-space: nowrap;
}

/* --- States --- */
.ca-loading, .ca-empty {
  list-style: none;
  padding: 0.9rem 0.2rem;
  color: var(--rc-text-dim);
  font-size: 0.88rem;
  line-height: 1.5;
}
.ca-empty a { color: var(--rc-accent); }
.ca-err { color: var(--rc-orange); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .ca-board { grid-template-columns: 1fr; gap: 1rem; }
}