/* Chronicle — focused-entry preview + filter grid + footer */

/* Selected entry preview card under timeline */
.tl-preview { max-width: 1100px; margin: 60px auto 0; padding: 0 56px; position: relative; z-index: 2; }
.tl-preview__card { display: grid; grid-template-columns: 220px 1fr; gap: 36px; padding: 28px; background: rgba(26, 22, 14, 0.6); border: 1px solid var(--border); backdrop-filter: blur(8px); align-items: center; transition: opacity .3s; }
.tl-preview__img { position: relative; aspect-ratio: 3/4; overflow: hidden; border: 1px solid var(--border-strong); }
.tl-preview__img img { width: 100%; height: 100%; object-fit: cover; }
.tl-preview__kicker { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.tl-preview__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(28px, 3.4vw, 44px); margin: 0; line-height: 1.05; color: var(--text); }
.tl-preview__title em { font-style: italic; color: var(--accent-bright); }
.tl-preview__deck { font-family: var(--font-display); font-style: italic; font-size: 17px; color: var(--text-dim); margin-top: 12px; line-height: 1.5; }
.tl-preview__cta { display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; padding: 10px 18px; border: 1px solid var(--accent); color: var(--accent); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; transition: all .25s; }
.tl-preview__cta:hover { background: var(--accent); color: var(--bg); gap: 18px; }

/* Filter / index section */
.filter-section { max-width: 1280px; margin: 100px auto 0; padding: 60px 56px 80px; border-top: 1px solid var(--border); }
.filter-section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; }
.filter-section__title { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: 36px; color: var(--text); margin: 0; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 36px; }
.filter-tab { padding: 8px 18px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border); background: transparent; cursor: pointer; transition: all .2s; }
.filter-tab:hover { color: var(--text); border-color: var(--border-strong); }
.filter-tab.is-active { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.filter-tab span { opacity: 0.5; margin-left: 6px; }
.filter-tab.is-active span { opacity: 0.7; }

.filter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.entry-card { display: block; background: var(--bg-card); border: 1px solid var(--border); position: relative; overflow: hidden; transition: transform .3s, border-color .3s; cursor: pointer; }
.entry-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.entry-card__img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.entry-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.entry-card:hover .entry-card__img img { transform: scale(1.08); }
.entry-card__img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(8,6,3,0.6) 100%); }
.entry-card__accent { position: absolute; top: 12px; left: 12px; padding: 3px 8px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; background: rgba(14,12,8,0.85); color: var(--card-accent, var(--accent)); border: 1px solid var(--card-accent, var(--accent)); border-radius: 2px; backdrop-filter: blur(4px); z-index: 2; }
.entry-card__body { padding: 18px 18px 22px; }
.entry-card__title { font-family: var(--font-display); font-weight: 500; font-size: 19px; line-height: 1.15; margin: 0 0 6px; color: var(--text); letter-spacing: -0.005em; }
.entry-card__sub { font-family: var(--font-display); font-style: italic; font-size: 14px; color: var(--text-dim); line-height: 1.4; }

@media (max-width: 960px) {
  .mosaic { grid-template-columns: 1fr; }
  .timeline { padding: 60px 20px; overflow-x: auto; }
  .tl-preview__card { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .chron-header, .mosaic, .filter-section { padding-left: 24px; padding-right: 24px; }
  .filter-grid { grid-template-columns: 1fr; }
}