/* ===== Filter bar, cards, timeline, detail scaffold, sandbox scaffold ===== */

/* ---- Filter bar: two-line archive index (ERA / MOOD) ---- */
.filter-bar {
  max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem 2.2rem;
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: baseline; column-gap: 1.1rem; row-gap: 0.55rem;
}
.filter-label {
  font-family: var(--font-mono); font-size: 0.65rem;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-soft);
}
.filter-group {
  display: flex; flex-wrap: wrap; align-items: baseline;
  column-gap: 1.15rem; row-gap: 0.35rem;
}
.filter-group-moods { grid-column: 2 / 4; }
.chip {
  font-family: var(--font-mono); font-size: 0.78rem;
  padding: 0; border: none; background: none; color: var(--ink-soft);
  transition: color 0.12s ease;
}
.chip:hover { color: var(--ink); }
.chip-active {
  color: var(--accent);
  text-decoration: underline; text-underline-offset: 4px;
}
.chip-count { opacity: 0.5; margin-left: 0.1rem; font-size: 0.68rem; }
.chip-overflow { display: none; }
.chip-overflow.chip-active { display: inline; }
#mood-filters.moods-expanded .chip-overflow { display: inline; }
.filter-more {
  font-family: var(--font-mono); font-size: 0.72rem;
  background: none; border: none; color: var(--ink-soft);
  text-decoration: underline; text-underline-offset: 4px;
}
.filter-more:hover { color: var(--ink); }

.filter-clear {
  font-family: var(--font-mono); font-size: 0.72rem;
  background: none; border: none; color: var(--accent);
}
.filter-clear:hover { text-decoration: underline; }
.result-count {
  justify-self: end; font-family: var(--font-mono);
  font-size: 0.72rem; color: var(--ink-soft);
}

/* ---- Grid of cards ---- */
.catalog { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; scroll-margin-top: 4.5rem; }
.grid-view {
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
}
.card {
  display: flex; flex-direction: column;
  background: var(--card-bg); border: 1px solid var(--hairline);
  border-radius: 14px; overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(16, 16, 21, 0.09);
}
/* Signature: the palette spine */
.card-swatches { display: flex; height: 14px; transition: height 0.18s ease; }
.card:hover .card-swatches { height: 26px; }
.swatch { flex: 1; }
.card-name {
  font-family: var(--font-display); font-weight: 800; font-stretch: 110%;
  font-size: 1.06rem; line-height: 1.15; letter-spacing: -0.01em;
  padding: 1rem 1.1rem 0.15rem;
}
.card-era {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent);
  padding: 0 1.1rem;
}
.card-desc {
  font-size: 0.85rem; color: var(--ink-soft);
  padding: 0.5rem 1.1rem 0.8rem; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-moods { display: flex; gap: 0.35rem; padding: 0 1.1rem 1rem; flex-wrap: wrap; }
.card-mood {
  font-family: var(--font-mono); font-size: 0.66rem;
  padding: 0.18rem 0.55rem; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--hairline); color: var(--ink-soft);
}

.empty-state {
  padding: 4rem 0; text-align: center;
  font-family: var(--font-mono); font-size: 0.9rem; color: var(--ink-soft);
}

/* ---- Timeline ---- */
.timeline-view { padding-bottom: 2rem; }
.tl-decade { display: grid; grid-template-columns: 7rem 1fr; gap: 1.5rem; padding: 1.6rem 0; border-top: 1px solid var(--hairline); }
.tl-decade-label {
  font-family: var(--font-display); font-weight: 900; font-stretch: 122%;
  font-size: 1.7rem; letter-spacing: -0.02em; color: var(--accent);
}
.tl-items { display: flex; flex-direction: column; }
.tl-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.55rem 0.6rem; border-radius: 8px;
}
.tl-item:hover { background: var(--card-bg); }
.tl-dot { width: 12px; height: 12px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.15); flex-shrink: 0; }
.tl-name { font-weight: 600; font-size: 0.92rem; }
.tl-era { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); margin-left: auto; }

@media (max-width: 640px) {
  .tl-decade { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ---- Detail scaffold (neutral fallbacks; theme CSS overrides per aesthetic) ---- */
.detail { min-height: 100vh; }
.detail-themed { padding: 2.5rem 1.5rem 4rem; background: var(--paper); }
.detail-themed > * { max-width: 880px; margin-left: auto; margin-right: auto; }
.detail-back {
  display: inline-block; margin-bottom: 2rem;
  font-family: var(--font-mono); font-size: 0.8rem;
  background: none; border: 1px solid var(--hairline); border-radius: 999px;
  padding: 0.45rem 1rem; color: inherit;
}
.detail-header { margin-bottom: 2.2rem; }
.detail-name {
  font-family: var(--font-display); font-weight: 900; font-stretch: 118%;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem); line-height: 1.04; letter-spacing: -0.02em;
}
.detail-era { font-family: var(--font-mono); font-size: 0.82rem; margin-top: 0.6rem; opacity: 0.75; }
.detail-moods { display: flex; gap: 0.4rem; margin-top: 0.9rem; flex-wrap: wrap; }
.detail-mood {
  font-family: var(--font-mono); font-size: 0.7rem;
  padding: 0.22rem 0.65rem; border-radius: 999px; border: 1px solid currentColor; opacity: 0.8;
}
.detail-section { margin-top: 2.4rem; }
.detail-section h3 {
  font-family: var(--font-mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-bottom: 0.9rem; opacity: 0.7;
}
.detail-section ul { padding-left: 1.2rem; display: grid; gap: 0.35rem; }

/* Readability guarantee: history text always sits on a high-contrast panel */
.readable-panel p { font-size: 1.02rem; line-height: 1.7; max-width: 70ch; }

/* ---- Palette chips ---- */
.palette-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.palette-chip {
  display: flex; flex-direction: column; align-items: stretch;
  border: 1px solid var(--hairline); border-radius: 10px; overflow: hidden;
  background: var(--card-bg); padding: 0; width: 92px;
  transition: transform 0.12s ease;
}
.palette-chip:hover { transform: scale(1.05); }
.palette-color { height: 52px; }
.palette-hex {
  font-family: var(--font-mono); font-size: 0.68rem;
  padding: 0.35rem 0; text-align: center; color: var(--ink);
}

/* ---- Sandbox scaffold (neutral defaults; themes restyle everything) ---- */
.sandbox-stage {
  display: grid; gap: 1.5rem; grid-template-columns: 1fr 1fr;
  padding: 2rem; border-radius: 14px; border: 1px dashed var(--hairline);
}
.sb-card { padding: 1.4rem; border: 1px solid var(--hairline); border-radius: 10px; background: var(--card-bg); }
.sb-card-title { margin-bottom: 0.5rem; }
.sb-card-body { font-size: 0.9rem; margin-bottom: 1rem; }
.sb-btn { padding: 0.55rem 1.2rem; border: 1px solid var(--ink); border-radius: 8px; background: var(--ink); color: var(--paper); margin-right: 0.5rem; margin-top: 0.25rem; }
.sb-btn-secondary { background: transparent; color: var(--ink); }
.sb-form { display: flex; flex-direction: column; gap: 0.7rem; }
.sb-label { font-size: 0.8rem; font-weight: 600; }
.sb-input { padding: 0.6rem 0.9rem; border: 1px solid var(--hairline); border-radius: 8px; background: var(--card-bg); color: inherit; font: inherit; }
.sb-check { font-size: 0.88rem; display: flex; align-items: center; gap: 0.5rem; }
.sb-badges { display: flex; gap: 0.5rem; }
.sb-badge { font-size: 0.7rem; padding: 0.25rem 0.7rem; border-radius: 999px; background: var(--ink); color: var(--paper); }
.sb-badge-alt { background: var(--accent); }

@media (max-width: 700px) {
  .sandbox-stage { grid-template-columns: 1fr; padding: 1.2rem; }
}

/* ---- Detail pager ---- */
.detail-pager {
  /* Floating pager: pinned to the viewport corners on desktop. */
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem;
  display: flex; justify-content: space-between; gap: 0.75rem;
  pointer-events: none; z-index: 40;
}
.pager-btn {
  pointer-events: auto;
  display: flex; flex-direction: column; gap: 0.1rem;
  padding: 0.45rem 0.75rem; max-width: 220px;
  background: var(--card-bg); border: 1px solid var(--hairline);
  border-radius: 10px; cursor: pointer; text-align: left;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.pager-next { text-align: right; align-items: flex-end; margin-left: auto; }
.pager-btn:hover { border-color: var(--ink); transform: translateY(-1px); }
.pager-dir {
  font-family: var(--font-mono); font-size: 0.6rem;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft);
}
.pager-name {
  font-weight: 600; color: var(--ink); font-size: 0.78rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}

/* Mobile: back in the page flow at the bottom, so nothing is covered. */
@media (max-width: 640px) {
  .detail-pager {
    position: static;
    margin: 1.5rem auto 3rem; padding: 0 1rem;
  }
  .pager-btn { max-width: 48%; box-shadow: none; }
}