/* ============================================================================
   The Reading Room — styles for the Goodreads catalogue front-end.
   Loaded only on the `library` layout. Theme tokens live in css/style.css;
   here we build the masthead, stats, histogram, catalogue controls, the book
   cards / ledger, and the detail dialog on top of those tokens.
   ========================================================================= */

/* numbers should align in stat blocks and the ledger */
.stats, .ledger, .stat-num, .hist-bar-val, .meta, .result-count {
  font-variant-numeric: tabular-nums;
}

/* ───────────────────────────── Masthead ──────────────────────────────── */
.masthead {
  padding: clamp(2.5rem, 6vw, 5rem) 0 1.75rem;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 0.9rem;
  font-weight: 500;
}
.masthead-title {
  font-weight: 600;
  font-size: clamp(2.5rem, 7vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.018em;
  margin: 0;
  font-optical-sizing: auto;
  text-wrap: balance;
}
.masthead-lede {
  margin: 1rem 0 0;
  max-width: 38rem;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--c-text-muted);
  line-height: 1.55;
}

/* ──────────────────────── By the numbers (stats) ─────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0;
  border-bottom: 1px solid var(--c-border);
}
.stat {
  padding: 1.4rem 1.2rem 1.5rem;
  border-right: 1px solid var(--c-border);
  position: relative;
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
}
.stat-num .unit { font-size: 0.55em; color: var(--c-text-muted); margin-left: 0.15em; }
.stat-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-top: 0.55rem;
  display: block;
}
.stat-accent .stat-num { color: var(--c-accent); }
.stat.clickable { cursor: pointer; transition: background 0.15s; }
.stat.clickable:hover { background: var(--c-surface); }
.stat.clickable:focus-visible { outline: 2px solid var(--c-accent); outline-offset: -2px; }
.hist-bar:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; border-radius: 3px; }

/* ─────────────────────────────── Panels ─────────────────────────────── */
.panel { padding: 1.75rem 0 0.5rem; }
.panel-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem;
}
.panel-title { font-size: 1.35rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.panel-note {
  font-family: "JetBrains Mono", monospace; font-size: 0.72rem;
  color: var(--c-text-muted); letter-spacing: 0.04em; margin: 0;
}

/* histogram — bars climb from a baseline rule */
.histogram {
  display: flex; align-items: flex-end; gap: clamp(2px, 0.8vw, 7px);
  height: 124px; padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--c-border);
  overflow-x: auto;
}
.hist-bar { flex: 1 1 0; min-width: 9px; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center;
  position: relative; cursor: pointer; }
.hist-bar-fill {
  width: 100%;
  background: linear-gradient(var(--c-accent), color-mix(in oklab, var(--c-accent) 55%, transparent));
  border-radius: 3px 3px 0 0;
  transition: height 0.7s cubic-bezier(.22,1,.36,1), background 0.2s;
  min-height: 2px;
}
.hist-bar:hover .hist-bar-fill { background: var(--c-accent-2); }
.hist-bar.is-active .hist-bar-fill { background: var(--c-accent-2); }
.hist-bar-year {
  position: absolute; bottom: -1.45rem; font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem; color: var(--c-text-muted); letter-spacing: 0.02em;
  white-space: nowrap;
}
.hist-bar-val {
  position: absolute; top: -1.15rem; font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem; font-weight: 600; color: var(--c-text);
  opacity: 0; transition: opacity 0.15s;
}
.hist-bar:hover .hist-bar-val { opacity: 1; }

/* ──────────────────────── Catalogue controls ────────────────────────── */
.controls {
  position: sticky; top: 0; z-index: 30;
  padding: 1.1rem 0 1rem;
  margin-top: 1.5rem;
  background: color-mix(in oklab, var(--c-bg) 90%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--c-border);
}
.search-wrap { position: relative; display: flex; align-items: center; }
.search-icon {
  position: absolute; left: 1rem; width: 1.15rem; height: 1.15rem;
  color: var(--c-text-muted); pointer-events: none;
}
.search-input {
  width: 100%; font-family: inherit; font-size: 1.05rem; color: var(--c-text);
  background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: 12px;
  padding: 0.85rem 2.6rem 0.85rem 2.9rem;
  box-shadow: inset 0 1px 2px color-mix(in oklab, var(--c-text) 6%, transparent);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.search-input::placeholder { color: var(--c-text-muted); }
.search-input:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--c-accent) 18%, transparent);
}
.search-input::-webkit-search-cancel-button { display: none; }
.search-clear {
  position: absolute; right: 0.7rem; width: 1.7rem; height: 1.7rem;
  display: grid; place-items: center; font-size: 1.3rem; line-height: 1;
  color: var(--c-text-muted); background: none; border: none; cursor: pointer;
  border-radius: 50%;
}
.search-clear:hover { color: var(--c-accent); background: var(--c-surface-2); }

.filters {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.7rem; margin-top: 0.85rem;
}
.field { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.field-label {
  font-family: "JetBrains Mono", monospace; font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-text-muted);
  padding-left: 0.15rem;
}
.select {
  font-family: inherit; font-size: 0.9rem; color: var(--c-text);
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: 9px; padding: 0.55rem 0.7rem; width: 100%;
  cursor: pointer; transition: border-color 0.15s;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236f675a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.55rem center;
  background-size: 1rem; padding-right: 1.9rem;
}
input.select { background-image: none; padding-right: 0.7rem; cursor: text; }
.select:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--c-accent) 16%, transparent);
}
.select:hover { border-color: color-mix(in oklab, var(--c-accent) 40%, var(--c-border)); }

.controls-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-top: 0.95rem;
}
.resultbar { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; min-width: 0; }
.result-count {
  font-family: "Fraunces", Georgia, serif; font-size: 1.15rem; font-weight: 600;
}
.result-of { font-family: "JetBrains Mono", monospace; font-size: 0.72rem; color: var(--c-text-muted); }

.active-filters { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 500;
  background: color-mix(in oklab, var(--c-accent) 12%, var(--c-surface));
  color: var(--c-accent);
  border: 1px solid color-mix(in oklab, var(--c-accent) 30%, transparent);
  padding: 0.22rem 0.45rem 0.22rem 0.6rem; border-radius: 999px;
}
.chip-key { font-family: "JetBrains Mono", monospace; font-size: 0.62rem;
  text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.75; }
.chip-x { cursor: pointer; font-size: 0.95rem; line-height: 1; padding: 0 0.1rem;
  background: none; border: none; color: inherit; opacity: 0.8; }
.chip-x:hover { opacity: 1; }
.clear-all, .link-btn {
  font-size: 0.78rem; color: var(--c-text-muted); background: none; border: none;
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px; padding: 0;
}
.clear-all:hover, .link-btn:hover { color: var(--c-accent); }

.viewtoggle { display: inline-flex; background: var(--c-surface-2); border-radius: 10px; padding: 3px; gap: 2px; }
.vt-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: inherit; font-size: 0.8rem; font-weight: 500; color: var(--c-text-muted);
  background: none; border: none; cursor: pointer; padding: 0.4rem 0.7rem; border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.vt-btn.is-active { background: var(--c-surface); color: var(--c-text); box-shadow: 0 1px 2px color-mix(in oklab, var(--c-text) 10%, transparent); }
.vt-btn:not(.is-active):hover { color: var(--c-text); }

/* ─────────────────────────── Results: grid ──────────────────────────── */
.results { padding: 1.75rem 0; min-height: 40vh; }
.results.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.9rem) clamp(0.9rem, 2vw, 1.4rem);
}

.card {
  display: flex; flex-direction: column; cursor: pointer;
  background: none; border: none; text-align: left; padding: 0; color: inherit;
  font: inherit;
  animation: rise 0.5s cubic-bezier(.22,1,.36,1) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.cover {
  position: relative; aspect-ratio: 2 / 3; border-radius: 3px 6px 6px 3px;
  overflow: hidden;
  background: var(--c-surface-2);
  box-shadow:
    0 1px 1px color-mix(in oklab, var(--c-text) 16%, transparent),
    0 10px 20px -12px color-mix(in oklab, var(--c-text) 40%, transparent);
  transition: transform 0.28s cubic-bezier(.22,1,.36,1), box-shadow 0.28s;
  /* a thin "spine" down the binding edge */
  border-left: 3px solid color-mix(in oklab, var(--c-text) 22%, transparent);
}
.card:hover .cover, .card:focus-visible .cover {
  transform: translateY(-6px) rotate(-0.4deg);
  box-shadow:
    0 2px 2px color-mix(in oklab, var(--c-text) 18%, transparent),
    0 22px 34px -16px color-mix(in oklab, var(--c-text) 55%, transparent);
}
.card:focus-visible { outline: none; }
.card:focus-visible .cover { outline: 2px solid var(--c-accent); outline-offset: 3px; }

.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  z-index: 2; background: var(--c-surface-2); }
.cover-img.hide { display: none; }

/* generated fallback cover (no ISBN / image missing) */
.cover-fb {
  position: absolute; inset: 0; z-index: 1;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 0.85rem 0.8rem 0.9rem;
  background:
    linear-gradient(150deg,
      hsl(var(--h, 18) 32% 34%),
      hsl(calc(var(--h, 18) + 18) 38% 22%));
  color: #f4ecdd;
}
.cover-fb::after { /* faux page-edge highlight */
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 7%;
  background: linear-gradient(90deg, transparent, color-mix(in oklab, #000 30%, transparent));
}
.cover-fb-title {
  font-family: "Fraunces", Georgia, serif; font-weight: 600;
  font-size: 0.95rem; line-height: 1.18; letter-spacing: -0.01em;
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden;
}
.cover-fb-author {
  font-family: "JetBrains Mono", monospace; font-size: 0.6rem;
  letter-spacing: 0.05em; opacity: 0.82; text-transform: uppercase;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* status corner tag */
.cover-tag {
  position: absolute; top: 0; left: 0; z-index: 3;
  font-family: "JetBrains Mono", monospace; font-size: 0.55rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.22rem 0.45rem; border-radius: 0 0 6px 0; color: #fff;
}
.tag-reading  { background: var(--c-accent-2); }
.tag-toread   { background: #6b675e; }
.tag-stopped  { background: #8a8378; }
.tag-read     { display: none; } /* read is the default; don't clutter */

.card-body { padding-top: 0.6rem; }
.card-title {
  font-family: "Fraunces", Georgia, serif; font-weight: 600; font-size: 0.92rem;
  line-height: 1.2; letter-spacing: -0.01em; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card:hover .card-title { color: var(--c-accent); }
.card-author { font-size: 0.78rem; color: var(--c-text-muted); margin: 0.18rem 0 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta {
  display: flex; align-items: center; gap: 0.5rem; margin-top: 0.4rem;
  font-family: "JetBrains Mono", monospace; font-size: 0.66rem; color: var(--c-text-muted);
}

/* star rating */
.stars { display: inline-flex; gap: 1px; color: var(--c-gold); letter-spacing: 0.02em; flex-shrink: 0; }
.stars .off { color: color-mix(in oklab, var(--c-text-muted) 45%, transparent); }
.stars.empty { color: var(--c-text-muted); font-style: italic; font-family: inherit; font-size: 0.7rem; }

/* ────────────────────────── Results: ledger ─────────────────────────── */
.results.list { display: block; }
.ledger { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.ledger thead th {
  position: sticky; top: 132px; z-index: 5;
  text-align: left; font-family: "JetBrains Mono", monospace;
  font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-text-muted); font-weight: 600;
  padding: 0.6rem 0.8rem; background: var(--c-bg);
  border-bottom: 1.5px solid var(--c-border);
  cursor: pointer; white-space: nowrap; user-select: none;
}
.ledger thead th:hover { color: var(--c-accent); }
.ledger th .sort-ind { color: var(--c-accent); }
.ledger tbody tr { border-bottom: 1px solid var(--c-border); cursor: pointer; transition: background 0.12s; }
.ledger tbody tr:nth-child(even) { background: color-mix(in oklab, var(--c-surface-2) 45%, transparent); }
.ledger tbody tr:hover { background: color-mix(in oklab, var(--c-accent) 9%, transparent); }
.ledger td { padding: 0.6rem 0.8rem; vertical-align: middle; }
.ledger .l-title { font-family: "Fraunces", Georgia, serif; font-weight: 600; font-size: 0.96rem; line-height: 1.2; }
.ledger .l-author { color: var(--c-text-muted); }
.ledger .l-num { font-family: "JetBrains Mono", monospace; text-align: right; white-space: nowrap; color: var(--c-text-muted); }
.ledger .l-status { font-family: "JetBrains Mono", monospace; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.05em; }
.col-hide-sm { } /* toggled at breakpoints below */

/* ─────────────────────────── Detail dialog ──────────────────────────── */
.book-dialog {
  width: min(640px, 92vw); max-height: 88vh; padding: 0; border: none;
  border-radius: 16px; background: var(--c-surface); color: var(--c-text);
  box-shadow: 0 30px 70px -20px rgba(0,0,0,0.6); overflow: visible;
}
.book-dialog::backdrop { background: color-mix(in oklab, #000 55%, transparent); backdrop-filter: blur(3px); }
.book-dialog[open] { animation: dlg 0.3s cubic-bezier(.22,1,.36,1); }
@keyframes dlg { from { opacity: 0; transform: translateY(16px) scale(0.98); } to { opacity: 1; transform: none; } }
.dialog-inner { padding: clamp(1.4rem, 3vw, 2rem); overflow-y: auto; max-height: 88vh; }
.dialog-close {
  position: absolute; top: -0.7rem; right: -0.7rem; width: 2.2rem; height: 2.2rem;
  border-radius: 50%; background: var(--c-accent); color: #fff; border: 2px solid var(--c-surface);
  font-size: 1.4rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.dialog-close:hover { transform: scale(1.06); }

.dlg-grid { display: grid; grid-template-columns: 130px 1fr; gap: 1.4rem; }
.dlg-cover { aspect-ratio: 2/3; border-radius: 3px 5px 5px 3px; overflow: hidden; position: relative;
  box-shadow: 0 8px 20px -8px rgba(0,0,0,0.5); border-left: 3px solid color-mix(in oklab, var(--c-text) 22%, transparent); }
.dlg-cover .cover-img, .dlg-cover .cover-fb { position: absolute; inset: 0; }
.dlg-eyebrow { font-family: "JetBrains Mono", monospace; font-size: 0.64rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--c-accent); margin: 0 0 0.4rem; }
.dlg-title { font-family: "Fraunces", Georgia, serif; font-weight: 600; font-size: 1.5rem;
  line-height: 1.12; letter-spacing: -0.015em; margin: 0; }
.dlg-author { color: var(--c-text-muted); margin: 0.35rem 0 0.7rem; font-size: 0.95rem; }
.dlg-author b { color: var(--c-text); font-weight: 600; }
.dlg-ratings { display: flex; gap: 1.2rem; align-items: baseline; margin: 0.5rem 0 0.2rem; flex-wrap: wrap; }
.dlg-rate-block { }
.dlg-rate-block .lbl { font-family: "JetBrains Mono", monospace; font-size: 0.58rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--c-text-muted); display: block; margin-bottom: 0.15rem; }
.dlg-facts { list-style: none; margin: 1.3rem 0 0; padding: 1.1rem 0 0; border-top: 1px solid var(--c-border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.55rem 1.4rem; grid-column: 1 / -1; }
.dlg-facts li { display: flex; flex-direction: column; gap: 0.1rem; }
.dlg-facts .k { font-family: "JetBrains Mono", monospace; font-size: 0.58rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--c-text-muted); }
.dlg-facts .v { font-size: 0.92rem; }
.dlg-review { grid-column: 1 / -1; margin-top: 1.2rem; padding-top: 1.1rem; border-top: 1px solid var(--c-border); }
.dlg-review .lbl { font-family: "JetBrains Mono", monospace; font-size: 0.58rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--c-accent); margin-bottom: 0.5rem; display: block; }
.dlg-review p { margin: 0 0 0.6rem; line-height: 1.6; font-size: 0.95rem; }
.dlg-review p:last-child { margin-bottom: 0; }
.dlg-link { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 1.2rem; grid-column: 1/-1;
  font-family: "JetBrains Mono", monospace; font-size: 0.74rem; color: var(--c-accent); text-decoration: none;
  border: 1px solid color-mix(in oklab, var(--c-accent) 35%, transparent); border-radius: 8px;
  padding: 0.45rem 0.8rem; width: fit-content; transition: background 0.15s; }
.dlg-link:hover { background: color-mix(in oklab, var(--c-accent) 12%, transparent); }

/* ───────────────────────── States & misc ────────────────────────────── */
.empty { text-align: center; color: var(--c-text-muted); padding: 4rem 1rem; font-size: 1.05rem; }
.loading { text-align: center; color: var(--c-text-muted); padding: 4rem 1rem;
  font-family: "JetBrains Mono", monospace; font-size: 0.85rem; letter-spacing: 0.04em; }
.results[aria-busy="false"] + .empty { } /* handled in JS */

@media (prefers-reduced-motion: reduce) {
  .card, .book-dialog[open] { animation: none !important; }
  .cover, .hist-bar-fill { transition: none !important; }
}

/* ───────────────────────────── Responsive ───────────────────────────── */
@media (max-width: 720px) {
  .ledger .col-hide-sm { display: none; }
  .dlg-grid { grid-template-columns: 96px 1fr; }
  .controls { position: static; }
  .ledger thead th { top: 0; }
}
@media (max-width: 480px) {
  .results.grid { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
  .stat { padding: 1.1rem 0.9rem; }
}