/* Library page: extends style.css. Each device is drawn as an Infinite node card.
   One spacing scale for the whole page: 8 / 12 / 16 / 24 / 32. */
.lib-hero { padding-top: clamp(24px, 4vw, 48px); --gap: 24px; --pad: 12px; }
.lib-hand { display: block; font-size: 2rem; line-height: 1; margin-bottom: 8px; transform: rotate(-2deg); }
.lib-hero h1.slab { font-size: clamp(2rem, 5vw, 3.2rem); }

/* toolbar */
.lib-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin: 8px 0 32px; }
.lib-chips { display: flex; gap: 8px; min-width: 0; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.lib-chips::-webkit-scrollbar { display: none; }
.lib-chip { flex: none; }
.lib-hero, .lib-hero > *, .lib-bar { min-width: 0; max-width: 100%; }
body:has(.lib-hero) { overflow-x: clip; }
.lib-bar > * { min-width: 0; }
.lib-chip, .lib-view button {
  min-height: 36px; padding: 0 16px; border-radius: var(--r-pill); white-space: nowrap;
  font-size: 0.85rem; font-weight: 500; color: var(--ink2);
  transition: transform 0.5s var(--spring-slab), background-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.lib-chip { background: var(--card); box-shadow: 0 0 0 1px var(--line); }
.lib-chip:hover, .lib-view button:hover { color: var(--ink); }
.lib-chip:active, .lib-view button:active { transform: scale(0.96); transition-duration: 0.08s; }
.lib-chip[aria-pressed="true"], .lib-view button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.lib-bar-end { display: flex; align-items: center; gap: 16px; }
.lib-count { font-size: var(--fs-micro); color: var(--muted); }
.lib-view { display: inline-flex; gap: 2px; padding: 2px; border-radius: var(--r-pill); background: var(--card); box-shadow: 0 0 0 1px var(--line); }
.lib-view button { min-width: 40px; padding: 0 12px; font-family: var(--font-mono); }
.btn-sm svg { width: 16px; height: 16px; }

/* grid: cards are one size. 4 or 8 per row on desktop, 3 on tablet, 2 on phones */
.lib-grid { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: var(--gap); padding: 0 7px; }
@media (min-width: 900px) { .lib-grid[data-cols="8"] { --cols: 8; --gap: 12px; } }
@media (max-width: 899px) { .lib-grid { --cols: 3; --gap: 16px; } .lib-view { display: none; } }
@media (max-width: 560px) { .lib-grid { --cols: 2; --gap: 12px; padding: 0; } }

.lib-card { container-type: inline-size; position: relative; display: flex; flex-direction: column; min-width: 0; }
.lib-card[hidden] { display: none; }
.lib-card .node { display: flex; flex-direction: column; flex: 1; }
.lib-card .hand-cap { font-size: 1.3rem; margin: 0 0 8px 4px; white-space: nowrap; }
.lib-card .node-head { padding: 12px calc(var(--pad) + 4px) 10px; }
.lib-card .node-name { font-size: inherit; font-weight: inherit; letter-spacing: 0; }
.lib-card .node-view { aspect-ratio: 3 / 2; margin: 0 8px; }
.lib-card .node-view img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.9s var(--ease-out); }
.lib-card .node:hover .node-view img { transform: scale(1.03); }
.lib-desc {
  padding: 8px var(--pad) 0; color: var(--app-dim); font-size: 0.82rem; line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; min-height: calc(3 * 1.5em + 8px);
}
.lib-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: var(--pad); margin-top: 8px; }
.lib-acts { display: flex; gap: 8px; }
/* one control size for the price and the download button */
.ctl { --ctl: 32px; height: var(--ctl); min-height: var(--ctl); display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-family: var(--font-sans); font-size: 0.78rem; font-weight: 600; line-height: 1; border-radius: var(--r-pill); }
.lib-price { padding: 0 12px; color: var(--app-text); box-shadow: 0 0 0 1px var(--app-border); }
.lib-dl, .lib-copy { padding: 0 14px; cursor: pointer; }
.lib-dl { background: var(--accent); color: #fff; }
.lib-copy svg { width: 15px; height: 15px; }
.lib-copy.done { color: var(--accent-ink); }
.lib-dl svg { width: 15px; height: 15px; }
.lib-empty { text-align: center; color: var(--muted); padding: 48px 0; }

/* 8 per row: a compact tile (preview, name, icon) */
.lib-grid[data-cols="8"] .hand-cap, .lib-grid[data-cols="8"] .lib-desc, .lib-grid[data-cols="8"] .node-cat,
.lib-grid[data-cols="8"] .port { display: none; }
.lib-grid[data-cols="8"] { --pad: 8px; }
.lib-grid[data-cols="8"] .node-head { font-size: 0.72rem; gap: 6px; }
.lib-grid[data-cols="8"] .lib-foot { margin-top: 8px; }
.lib-grid[data-cols="8"] .ctl { --ctl: 28px; font-size: 0.7rem; }
.lib-grid[data-cols="8"] .lib-price { padding: 0 8px; }
.lib-grid[data-cols="8"] .lib-dl, .lib-grid[data-cols="8"] .lib-copy { width: var(--ctl); padding: 0; }
.lib-grid[data-cols="8"] .lib-dl-text, .lib-grid[data-cols="8"] .lib-copy-text { display: none; }
.lib-grid[data-cols="8"] .lib-acts { gap: 4px; }

.lib-how { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; max-width: 900px; margin: 0 auto; }
.lib-how h3 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0; }
.lib-how p { color: var(--ink2); }

/* phones and tablets: two or three compact cards, icon-only download */
@media (max-width: 899px) {
  .lib-card .hand-cap, .lib-card .port { display: none; }
  .lib-card .node-cat { display: none; }
}
@media (max-width: 560px) {
  .lib-hero { --pad: 8px; }
  .lib-bar { flex-direction: column; align-items: stretch; gap: 12px; margin-bottom: 24px; }
  .lib-chips { margin: 0 -16px; padding: 0 16px 4px; max-width: none; width: calc(100% + 32px); }
  .lib-chips::-webkit-scrollbar { display: none; }
  .lib-bar-end { justify-content: space-between; }
  .lib-card .node-head { font-size: 0.78rem; }
  .lib-desc { display: none; }
  .lib-bar-end .btn { width: 40px; min-height: 40px; padding: 0; border-radius: 50%; }
  .lib-dl, .lib-copy { width: var(--ctl); padding: 0; }
  .lib-dl-text, .lib-copy-text { display: none; }
  .lib-acts { gap: 6px; }
}
@media (prefers-reduced-motion: reduce) { .lib-card .node-view img { transition: none; } }

/* narrow cards: both actions become icon buttons */
@container (max-width: 270px) {
  .lib-dl, .lib-copy { width: var(--ctl); padding: 0; }
  .lib-dl-text, .lib-copy-text { display: none; }
  .lib-acts { gap: 6px; }
}