/* Library-only presentation; game tables and the shared typography stay in site.css. */
.home-top { min-height: 112px; align-content: center; }
.home-games { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.cover { gap: 0; border-radius: var(--gc-r-l); }
/* Each cover on a layer of its own: its grain (SVG noise filters) is drawn once and the hover only
   moves the finished picture, so the browser never redraws the noise frame by frame. */
.cover-art { width: 100%; background: var(--tint); box-shadow: 0 12px 16px -20px #000, 0 8px 22px -14px #0009;
  will-change: transform; transform: translateZ(0); transition: transform calc(.26s * var(--gc-motion, 1)) cubic-bezier(.22, 1, .36, 1); }
.cover-art::after { content: ''; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; border: 1px solid #ffffff14; box-shadow: inset 12px 18px 40px -15px #0003, inset -16px -14px 8px -20px #ffffff26, inset 0 1px 0 #ffffff1f, inset 0 0 8px #ffffff08; }
.cover-img { display: block; width: 100%; height: 100%; object-fit: cover; }
.cover-art .cover-img { position: absolute; inset: 0; }
.cover-title { z-index: 1; text-shadow: 0 1px 8px #0009; }
.cover-original::before { content: ''; position: absolute; inset: 65% 0 0; z-index: 1; background: linear-gradient(transparent, #0009); pointer-events: none; }
.cover-original[data-id="arcs"] .cover-img { transform: scale(1.29); }
.cover:hover .cover-art { transform: translateZ(0); }
@media (hover: hover) and (pointer: fine) { .cover:hover .cover-art { transform: translate3d(0, -4px, 0); } }
/* While the library scrolls, the cards don't react to the passing mouse (no ripple of lifts). */
.home.scrolling .home-games { pointer-events: none; }
.cover:focus-visible .cover-art { outline-color: var(--gc-text-2); }
.cc-art { overflow: hidden; }
.cc-art .cover-img { position: absolute; inset: 0; }
.cover-switch { display: inline-flex; position: relative; align-items: center; align-self: flex-start; gap: 7px; min-height: 36px; cursor: pointer; color: var(--gc-text-2); font: 13px/1.4 var(--gc-font-ui); white-space: nowrap; }
.cover-switch input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: pointer; }
.cover-switch-track { width: 28px; height: 16px; border: 1px solid var(--gc-rule-strong); border-radius: 20px; background: var(--gc-raised); position: relative; pointer-events: none; transition: background var(--gc-dur-quick) ease; }
.cover-switch-track::after { content: ''; position: absolute; left: 2px; top: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--gc-text-2); transition: transform var(--gc-dur-quick) ease, background var(--gc-dur-quick) ease; }
.cover-switch input:checked + .cover-switch-track { background: var(--gc-text-2); }
.cover-switch input:checked + .cover-switch-track::after { transform: translateX(12px); background: var(--gc-bg); }
.cover-switch input:focus-visible + .cover-switch-track { outline: 2px solid var(--gc-text); outline-offset: 3px; }
#home-players { padding: 0; gap: 0; overflow: hidden; background: transparent; }
#home-players button { border-radius: 0; margin: 0; align-self: stretch; padding: 7px 10px; background: transparent; box-shadow: none; }
#home-players button.on { background: var(--gc-raised); box-shadow: inset 0 -2px 0 var(--gc-text-2); }
#home-players button:focus-visible { outline-offset: -3px; }
.library-detail { width: min(640px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 48px); padding: 0; border: 1px solid var(--gc-rule-strong); border-radius: var(--gc-r-l); overflow: auto; color: var(--gc-text); background: linear-gradient(125deg, color-mix(in srgb, var(--tint) 16%, var(--gc-bg)), var(--gc-bg)); box-shadow: 0 20px 70px #0008; }
.library-detail::backdrop { background: #0009; backdrop-filter: none; }
.library-detail-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 294px; position: relative; isolation: isolate; overflow: hidden; }
.library-detail-echo { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.library-detail-echo .library-detail-art { position: absolute; inset: 0; opacity: .24; transform: scale(1.4); }
.library-detail-echo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--gc-bg) 45%, transparent) 40%, var(--gc-bg)), linear-gradient(0deg, var(--gc-bg), transparent 85%); }
.library-detail-cover { position: relative; overflow: hidden; min-height: 294px; }
.library-detail-art { width: 100%; height: 100%; object-fit: cover; display: block; }
.library-detail-cover .library-detail-art { position: absolute; inset: 0; }
.library-detail-cover.cover-original[data-id="arcs"] .library-detail-art { transform: scale(1.29); }
.library-detail-copy { padding: 30px 28px; position: relative; }
.library-detail-copy h2 { font: 800 24px/1 var(--gc-font-display); text-transform: uppercase; letter-spacing: .02em; margin: 0 28px 16px 0; }
.library-detail-copy p { font: 14px/1.45 var(--gc-font-ui); color: var(--gc-text-2); margin: 0 0 16px; }
.library-detail-copy .library-detail-mechanisms { color: var(--gc-text); }
.library-detail-close { position: absolute; top: 6px; right: 6px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--gc-text-2); cursor: pointer; font: 20px/1 var(--gc-font-ui); }
.library-detail-close:hover { color: var(--gc-text); }
.library-detail-close:focus-visible { outline: 2px solid var(--gc-text-2); outline-offset: -6px; }
.library-detail-copy .btn { min-height: 44px; }
@media (max-width: 560px) {
  .home-games { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-top { min-height: 96px; }
  .library-detail-layout { grid-template-columns: 1fr; }
  .library-detail-cover { min-height: 190px; }
  .library-detail-cover .library-detail-art { object-position: center 35%; }
  .library-detail-copy { padding: 24px; }
}
@media (pointer: coarse) {
  .cover-switch, #home-players button { min-height: 44px; }
  #home-players button { min-width: 44px; }
}
html.lowpower .cover-art, html[data-motion="reduced"] .cover-art { transition: none; }
html.lowpower .cover:hover .cover-art, html[data-motion="reduced"] .cover:hover .cover-art { transform: translateZ(0); }
@media (prefers-reduced-motion: reduce) {
  .cover-art, .cover-switch-track, .cover-switch-track::after { transition: none; }
  .cover:hover .cover-art { transform: translateZ(0); }
}