/* Module Library page: search, family filters, cards, detail drawer. */
.lib-hero { position: relative; padding: 140px 0 48px; overflow: hidden; isolation: isolate; }
.lib-hero .wrap { display: grid; gap: 20px; justify-items: start; }
.lib-hero h1 { font-size: clamp(40px, 5.6vw, 72px); }
.lib-hero .lead { max-width: 620px; }
.lib-search { position: relative; display: flex; align-items: center; gap: 12px; width: min(720px, 100%); height: 62px; padding: 0 18px; margin-top: 10px; border-radius: 18px; background: var(--card); border: 1px solid var(--line-2); box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s; }
.lib-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 5px var(--glow), var(--shadow); }
.lib-search .i { color: var(--fg-3); }
.lib-search input { flex: 1; min-width: 0; border: 0; background: none; font-size: 17px; outline: none; }
.lib-search kbd { font: 600 12px var(--b); padding: 4px 8px; border-radius: 7px; border: 1px solid var(--line-2); color: var(--fg-3); }
.lib-body { display: grid; grid-template-columns: 260px 1fr; gap: 36px; padding-bottom: 120px; }
.lib-side { position: sticky; top: 88px; align-self: start; display: grid; gap: 18px; }
.seg { display: grid; grid-template-columns: repeat(3, auto); padding: 4px; border-radius: 12px; background: var(--bg-3); }
.seg button { padding: 8px 8px; border: 0; border-radius: 9px; background: none; font-size: 12.5px; font-weight: 600; color: var(--fg-2); cursor: pointer; transition: .2s; }
.seg button[aria-checked="true"] { background: var(--card); color: var(--fg); box-shadow: var(--shadow); }
.fams { display: grid; gap: 2px; }
.fams button { display: flex; align-items: center; gap: 10px; padding: 9px 11px; border: 0; border-radius: 11px; background: none; text-align: left; font-size: 14px; color: var(--fg-2); cursor: pointer; transition: background .2s, color .2s; }
.fams button:hover { background: var(--bg-3); color: var(--fg); }
.fams button[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-weight: 600; }
.fams button span { flex: 1; } .fams button em { font-style: normal; font-size: 12px; color: var(--fg-3); }
.lib-bar { display: flex; align-items: center; justify-content: space-between; min-height: 40px; margin-bottom: 14px; color: var(--fg-2); font-size: 14px; font-weight: 600; }
.lib-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lib-grid .mcard { animation: cardIn .45s var(--ease) both; animation-delay: calc(min(var(--k, 0), 18) * 22ms); }
.lib-grid .mcard[hidden] { display: none; }
.empty { display: grid; justify-items: center; gap: 10px; text-align: center; padding: 80px 20px; color: var(--fg-2); }
.empty h3 { color: var(--fg); font-size: 22px; }
.empty-art { display: grid; grid-template-columns: 26px 26px; gap: 5px; margin-bottom: 10px; } .empty-art i { width: 26px; height: 26px; border-radius: 8px; background: var(--line-2); } .empty-art i.m { background: none; border: 2px dashed var(--accent); }

.drawer-bg { position: fixed; inset: 0; z-index: 60; background: rgba(8,12,23,.45); backdrop-filter: blur(3px); opacity: 0; transition: opacity .3s; }
.drawer-bg.open { opacity: 1; }
.drawer { position: fixed; z-index: 61; top: 12px; right: 12px; bottom: 12px; width: min(500px, calc(100vw - 24px)); border-radius: 24px; background: var(--bg-2); border: 1px solid var(--line); box-shadow: var(--shadow-lg); overflow: auto; transform: translateX(calc(100% + 24px)); transition: transform .45s var(--ease); overscroll-behavior: contain; }
.drawer.open { transform: none; }
.d-hero { position: relative; padding: 30px 28px 26px; background: radial-gradient(120% 100% at 0% 0%, color-mix(in srgb, var(--indigo) 22%, transparent), transparent 60%); border-bottom: 1px solid var(--line); display: grid; gap: 14px; }
.d-hero .mi { width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--indigo-2), var(--indigo)); box-shadow: 0 10px 24px rgba(79,70,229,.35); }
.d-hero .mi.b { background: linear-gradient(135deg, #5EEAD4, #14B8A6); }
.d-hero h2 { font-size: 32px; }
.d-meta { display: flex; gap: 8px; flex-wrap: wrap; } .d-meta span { font-size: 12.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: var(--bg-3); color: var(--fg-2); }
.d-close { position: absolute; top: 18px; right: 18px; }
.d-sec { padding: 24px 28px; display: grid; gap: 14px; border-bottom: 1px solid var(--line); }
.d-sec h4 { font: 600 13px var(--b); letter-spacing: .06em; text-transform: uppercase; color: var(--fg-3); }
.d-sec p { color: var(--fg-2); }
.d-feats { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.d-feats li { display: flex; gap: 10px; align-items: flex-start; } .d-feats .i { color: var(--mint-ink); margin-top: 3px; width: 17px; height: 17px; }
.d-rel { display: flex; flex-wrap: wrap; gap: 8px; }
.d-rel a { padding: 8px 12px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; transition: border-color .2s; } .d-rel a:hover { border-color: var(--accent); }
.d-cta { padding: 24px 28px 30px; display: flex; gap: 10px; flex-wrap: wrap; }
body.locked { overflow: hidden; }

@media (max-width: 1080px) { .lib-body { grid-template-columns: 1fr; } .lib-side { position: relative; top: 0; } .fams { display: flex; overflow-x: auto; scrollbar-width: none; gap: 6px; } .fams::-webkit-scrollbar { display: none; } .fams button { flex: none; border: 1px solid var(--line-2); border-radius: 999px; padding: 8px 13px; } .fams button em { display: none; } .lib-grid { grid-template-columns: 1fr 1fr; } .seg { justify-self: start; } }
@media (max-width: 640px) {
  .lib-hero { padding-top: 112px; } .lib-grid { grid-template-columns: 1fr; } .lib-search kbd { display: none; } .lib-search { height: 56px; }
  .drawer { top: auto; left: 0; right: 0; bottom: 0; width: 100%; max-height: 88vh; border-radius: 24px 24px 0 0; transform: translateY(100%); }
}