/* Content picker — "Bind your Compendium". Book-centric cards with toggle chips + a live manifest.
   Aesthetic lives inside the app's Candlelit-Grimoire theme: warm ink, brass + ember, serif titles. */

.cs { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: var(--sp-10); align-items: start; }
@media (max-width: 880px) { .cs { grid-template-columns: 1fr; } }

/* ── library (left) ───────────────────────────────────────────────────────── */
.cs-main { display: flex; flex-direction: column; gap: 1.125rem; min-width: 0; }
.cs-shelf-h {
  display: flex; align-items: center; gap: 0.5625rem; margin: 0 0 var(--sp-6);
  font: 600 var(--fs-xs) var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gold);
}
.cs-shelf-h::after { content: ""; flex: 1; height: 0.0625rem;
  background: linear-gradient(90deg, rgba(var(--gold-rgb), .35), transparent); }
.cs-shelf-n { font-size: var(--fs-2xs); color: var(--muted); border: 0.0625rem solid var(--border); border-radius: var(--r-pill); padding: 0 0.4375rem; }
.cs-shelf-note { margin: -0.25rem 0 var(--sp-7); max-width: 64ch; font: 400 var(--fs-smplus) var(--font-sans); line-height: 1.5; color: var(--muted); }
.cs-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr)); gap: var(--sp-7); }

.cs-card {
  position: relative; border: 0.0625rem solid var(--border); border-radius: var(--r-xl); padding: 0.8125rem 0.9375rem 0.6875rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.012), transparent 40%),
    var(--panel);
  overflow: hidden; transition: border-color .2s var(--ease-soft), box-shadow .25s var(--ease-soft), transform .15s var(--ease-soft);
}
.cs-card::before {   /* the "spine" — lights gold when the book is bound in */
  content: ""; position: absolute; inset: 0 auto 0 0; width: 0.1875rem;
  background: var(--border); transition: background .2s, box-shadow .2s;
}
.cs-card.is-in { border-color: rgba(var(--gold-rgb), .42); }
.cs-card.is-in::before { background: linear-gradient(180deg, var(--gold), var(--accent));
  box-shadow: 0 0 0.625rem -0.0625rem rgba(var(--gold-rgb), .6); }
.cs-card.is-in { box-shadow: 0 0 0 0.0625rem rgba(var(--gold-rgb), .12), 0 0.625rem 1.625rem -1.125rem rgba(var(--accent-rgb), .5); }
.cs-card.is-soon { opacity: .5; }

.cs-card-h { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--sp-4); margin-bottom: var(--sp-1); }
.cs-card-title { margin: 0; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sub);
  line-height: 1.1; color: var(--text); letter-spacing: .01em; }
.cs-card-sum { margin: var(--sp-3) 0 var(--sp-6); font: 400 var(--fs-xs) var(--font-sans); color: var(--muted); line-height: 1.45; }
.cs-tag { font: 600 var(--fs-micro) var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted);
  border: 0.0625rem solid var(--border); border-radius: var(--r-sm); padding: 0.0625rem 0.3125rem; }
.cs-tag.soon { color: var(--gold); border-color: rgba(var(--gold-rgb), .4); }
.cs-soon-note { margin: var(--sp-1) 0 0; font: 400 var(--fs-xs) var(--font-sans); font-style: italic; color: var(--muted); }

/* toggle chips — the heart of the interaction */
.cs-chips { display: flex; flex-wrap: wrap; gap: 0.3125rem; }
.cs-chip {
  cursor: pointer; font: 500 var(--fs-xs) var(--font-sans); color: var(--muted);
  background: var(--bg-2); border: 0.0625rem solid var(--border-soft); border-radius: var(--r-pill);
  padding: var(--sp-2) var(--sp-6) var(--sp-2) var(--sp-5); display: inline-flex; align-items: center; gap: 0.3125rem;
  transition: color .14s, border-color .14s, background .14s, box-shadow .14s;
}
.cs-chip::before { content: ""; width: 0.3125rem; height: 0.3125rem; border-radius: var(--r-round);
  background: var(--border); transition: background .14s, box-shadow .14s; }
.cs-chip:hover { color: var(--text); border-color: var(--border); }
.cs-chip.on { color: var(--text); border-color: rgba(var(--accent-rgb), .55);
  background: rgba(var(--accent-rgb), .15); }
.cs-chip.on::before { background: var(--accent); box-shadow: 0 0 0.375rem -0.0625rem var(--accent); }
.cs-chip.on:hover { border-color: var(--accent); background: rgba(var(--accent-rgb), .22); }

.cs-card-f { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); margin-top: 0.6875rem; }
.cs-card-state { font: 500 var(--fs-2xs) var(--font-mono); color: var(--muted); }
.cs-card-state b { color: var(--gold); font-variant-numeric: tabular-nums; }
.cs-acts { display: flex; gap: var(--sp-3); }
.cs-act { cursor: pointer; font: 600 var(--fs-micro) var(--font-mono); letter-spacing: .05em; text-transform: uppercase;
  color: var(--muted); background: transparent; border: 0.0625rem solid var(--border-soft); border-radius: var(--r-sm); padding: var(--sp-1) 0.4375rem;
  transition: color .12s, border-color .12s; }
.cs-act:hover { color: var(--accent); border-color: rgba(var(--accent-rgb), .5); }

/* ── compendium manifest (right, sticky) ──────────────────────────────────── */
.cs-side { position: sticky; top: 4.875rem; }
.cs-side-inner {
  border: 0.0625rem solid var(--border); border-radius: var(--r-2xl); padding: 0.9375rem var(--sp-9);
  background: radial-gradient(130% 90% at 100% 0%, rgba(var(--gold-rgb), .06), transparent 55%), var(--panel-2);
}
.cs-side-h { font: 600 var(--fs-xs) var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gold);
  margin-bottom: var(--sp-6); }
.cs-tally { display: flex; align-items: center; gap: 0.4375rem; font: 500 var(--fs-smplus) var(--font-sans); color: var(--text);
  padding-bottom: 0.6875rem; margin-bottom: 0.6875rem; border-bottom: 0.0625rem solid var(--border-soft); }
.cs-tally b { color: var(--gold); font-variant-numeric: tabular-nums; }
.cs-tally .cs-dot { color: var(--muted); }
.cs-gate { font: 500 var(--fs-sm) var(--font-sans); color: var(--warn); line-height: 1.4;
  padding-bottom: 0.6875rem; margin-bottom: 0.6875rem; border-bottom: 0.0625rem solid var(--border-soft); }
.cs-gate b { color: var(--text); }

/* reading order — an explicit, reorderable precedence stack (top = consulted first) */
.cs-vols-h { font: 600 var(--fs-micro) var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 0.4375rem; }
.cs-vols-hint { font: 400 var(--fs-micro) var(--font-sans); letter-spacing: 0; text-transform: none; color: var(--muted); }
.cs-vols { display: flex; flex-direction: column; gap: var(--sp-3); margin-bottom: var(--sp-8); counter-reset: vol; }
.cs-empty { font: 400 var(--fs-xs) var(--font-sans); font-style: italic; color: var(--muted); line-height: 1.5; margin: var(--sp-1) 0; }
.cs-vol { display: flex; align-items: center; gap: 0.4375rem; padding: var(--sp-3) var(--sp-4) var(--sp-3) 0.3125rem; border-radius: var(--r-md);
  border: 0.0625rem solid var(--border-soft); background: rgba(28, 20, 13, 0.55); }
.cs-vol.is-core { border-color: rgba(var(--gold-rgb), .3); }
.cs-vol-rank { flex-shrink: 0; width: 1rem; height: 1rem; border-radius: var(--r-sm); display: grid; place-items: center;
  font: 700 var(--fs-micro) var(--font-mono); color: var(--bg); background: linear-gradient(180deg, var(--gold), #a8841a); }
.cs-vol:not(:first-child) .cs-vol-rank { background: var(--border); color: var(--muted); }
.cs-vol-t { flex: 1; min-width: 0; font: 500 var(--fs-sm) var(--font-sans); color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cs-core-tag { font: 600 var(--fs-micro) var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--gold);
  border: 0.0625rem solid rgba(var(--gold-rgb), .4); border-radius: var(--r-xs); padding: 0 var(--sp-2); vertical-align: 0.0625rem; }
.cs-vol-n { font: 600 var(--fs-micro) var(--font-mono); color: var(--muted); padding-left: 0.0625rem; }
.cs-vol-n::before { content: "· "; }
.cs-vol-ctrl { display: flex; align-items: center; gap: 0.0625rem; flex-shrink: 0; }
.cs-vol-b { cursor: pointer; border: none; background: none; color: var(--muted); font-size: var(--fs-micro); line-height: 1;
  padding: var(--sp-1) var(--sp-1); border-radius: var(--r-xs); transition: color .12s, background .12s; }
.cs-vol-b:hover:not([disabled]) { color: var(--gold); background: rgba(var(--gold-rgb), .12); }
.cs-vol-b[disabled] { opacity: .25; cursor: default; }
.cs-vol-x { cursor: pointer; border: none; background: none; color: var(--muted); font-size: var(--fs-base); line-height: 1;
  padding: 0 0.0625rem 0 var(--sp-2); transition: color .12s; }
.cs-vol-x:hover { color: var(--bad); }

.cs-cov-title { font: 600 var(--fs-micro) var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
  margin-bottom: var(--sp-5); }
.cs-fam { margin-bottom: 0.5625rem; }
.cs-fam-h { font: 500 var(--fs-micro) var(--font-sans); color: var(--muted); opacity: .8; margin-bottom: var(--sp-3); }
.cs-cov-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.cs-cov { font: 500 var(--fs-micro) var(--font-mono); letter-spacing: .01em; color: var(--muted);
  border: 0.0625rem solid var(--border-soft); border-radius: var(--r-sm); padding: 0.0625rem 0.3125rem; opacity: .6; }
.cs-cov.lit { color: var(--text); border-color: rgba(var(--gold-rgb), .45); opacity: 1;
  background: rgba(var(--gold-rgb), .08); }
.cs-cov.ghost { border-style: dashed; }
.cs-cov i { font-style: normal; color: var(--gold); }

/* ── entrance: one staggered reveal on mount (surgical updates never replay it) ── */
.cs-enter .cs-card { animation: cs-rise .5s var(--ease-soft) both; animation-delay: calc(var(--i, 0) * 26ms); }
.cs-enter .cs-side-inner { animation: cs-fade .6s var(--ease-soft) both; animation-delay: .12s; }
@keyframes cs-rise { from { opacity: 0; transform: translateY(0.625rem); } to { opacity: 1; transform: none; } }
@keyframes cs-fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .cs-enter .cs-card, .cs-enter .cs-side-inner { animation: none; } }