/* GC Library: free public-domain books, read in small parts */
.lb-homecard{display:flex;align-items:center;gap:18px;background:linear-gradient(135deg,#EAF6FF,#FDEBF4);border:3px solid #BFE0F7;border-radius:24px;padding:16px 20px;margin:18px 0;text-decoration:none;color:inherit;transition:transform .15s}
.lb-homecard:hover{transform:translateY(-2px)}
.lb-hc-art{font-size:46px;line-height:1;flex:none}
.lb-hc-body{display:flex;flex-direction:column;gap:4px}
.lb-hc-body b{font-size:22px;color:#2f6f9f}
.lb-hc-go{font-weight:800;color:#B8480A}
@media (max-width:560px){.lb-homecard{flex-direction:column;align-items:flex-start}}

.lb-hero{display:flex;align-items:center;gap:22px;background:linear-gradient(135deg,#EAF6FF,#FDEBF4);border-radius:28px;padding:22px 26px;margin-bottom:18px}
.lb-hero-art{font-size:64px;line-height:1;flex:none}
@media (max-width:620px){.lb-hero{flex-direction:column;align-items:flex-start;padding:18px}.lb-hero-art{font-size:48px}}

.lb-chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.lb-chip{min-height:44px;padding:8px 18px;border-radius:99px;border:2px solid #D9CCEE;background:#fff;font:inherit;font-weight:800;color:#5a4a7a;cursor:pointer}
.lb-chip[aria-pressed="true"]{background:#0F1E45;border-color:#0F1E45;color:#fff}
.lb-chip:focus-visible,.lb-card:focus-visible,.lb-continue:focus-visible,.lb-chaps a:focus-visible{outline:4px solid #FF7A1A;outline-offset:3px}

.lb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:26px}
.lb-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;background:#fff;border:2px solid #EFE6F7;border-radius:22px;padding:14px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.lb-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(0,0,0,.08)}
.lb-card b{font-size:18px;line-height:1.25}
.lb-card small{color:#6f6680;font-size:14px}
.lb-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;font-size:13px;font-weight:700;color:#6f6680}
.lb-tag{background:#FFF1C9;color:#7a5a00;border-radius:99px;padding:2px 10px}
.lb-state{color:#1f7a4d;font-weight:800}

.lb-cover{box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;aspect-ratio:3/4;max-height:230px;border-radius:14px 18px 18px 14px;background:linear-gradient(160deg,var(--c),color-mix(in srgb,var(--c) 70%,#000));color:#fff;text-align:center;padding:12px;box-shadow:inset 8px 0 0 rgba(0,0,0,.16),0 6px 14px rgba(0,0,0,.14);overflow:hidden}
.lb-emoji{font-size:44px;line-height:1}
.lb-ctitle{font-weight:900;font-size:17px;line-height:1.2;text-shadow:0 2px 4px rgba(0,0,0,.3)}
.lb-cover.sm{width:56px;aspect-ratio:3/4;padding:4px;gap:0;flex:none;border-radius:8px 10px 10px 8px}.lb-cover.sm .lb-emoji{font-size:26px}.lb-cover.sm .lb-ctitle{display:none}
.lb-cover.lg{width:190px;max-height:none;flex:none}.lb-cover.lg .lb-emoji{font-size:60px}.lb-cover.lg .lb-ctitle{font-size:20px}

.lb-continue{display:flex;align-items:center;gap:16px;background:#FFF7E6;border:3px solid #FFD98A;border-radius:22px;padding:12px 16px;margin:0 0 18px;text-decoration:none;color:inherit;flex-wrap:wrap}
.lb-continue span:nth-child(2){display:flex;flex-direction:column;flex:1;min-width:140px}
.lb-continue small{color:#8a6a1a;font-weight:800}.lb-continue b{font-size:19px}

.lb-bookhead{display:flex;gap:26px;align-items:flex-start;margin-bottom:14px}
.lb-by{color:#6f6680;font-weight:700;margin:0 0 8px}
.lb-len{color:#6f6680;margin:8px 0}
.lb-grownup{background:#FAF6FE;border-radius:18px;padding:14px 18px;margin:10px 0 24px;font-size:15px;line-height:1.55}
.lb-chaps{display:grid;gap:8px;padding-left:0;list-style:none;counter-reset:ch;margin:0 0 24px}
.lb-chaps li{counter-increment:ch}
.lb-chaps a{display:flex;align-items:center;gap:12px;min-height:48px;padding:8px 14px;background:#fff;border:2px solid #EFE6F7;border-radius:16px;text-decoration:none;color:inherit;font-weight:700}
.lb-chaps a::before{content:counter(ch);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#DCE4F2;color:#0F1E45;font-size:14px;flex:none}
.lb-chaps a:hover{border-color:#B9D8FF}
@media (max-width:620px){.lb-bookhead{flex-direction:column}.lb-cover.lg{width:140px}}

.lb-chtitle{font-size:clamp(24px,4vw,34px)}
.lb-text,.lb-text.para{display:block;grid-template-columns:none;font-size:24px;line-height:1.8;max-width:720px;margin:0 auto 18px;background:#fff;border:2px solid #EFE6F7;border-radius:22px;padding:24px;font-family:Georgia,'Times New Roman',serif}
.lb-text p{margin:0 0 .9em}
.lb-text.verse p{white-space:pre-line}
@media (max-width:560px){.lb-text,.lb-text.para{font-size:22px;padding:18px}}
.lb-end{display:flex;flex-direction:column;align-items:center;gap:12px;background:linear-gradient(135deg,#FFF7E6,#FDEBF4);border-radius:24px;padding:20px;margin:18px auto;max-width:720px;text-align:center;font-size:20px}
.lb-credit{color:#7d7490;font-size:13px;line-height:1.5;margin:22px 0 8px}
@media (prefers-reduced-motion:reduce){.lb-card,.lb-homecard{transition:none}.lb-card:hover,.lb-homecard:hover{transform:none}}

/* §21 gated classics: a parent's signature unlocks them */
.lb-card.locked{background:#f6f2f8}.lb-card.locked .lb-cover{filter:grayscale(.55) opacity(.85)}
.lb-tag.lock{background:#fff3d6;color:#7a4b00;border-color:#f0cf86}
.lb-lock{margin:12px 0;padding:14px 16px;border:2px dashed #e0b44c;border-radius:16px;background:#fffaf0;max-width:560px}
.lb-lock p{margin:6px 0 0}
.lb-lockhint{margin:14px 0 0;color:#6a5a74;font-size:.95rem}

/* Stars for finishing a book (§21) */
.lb-tag.gem{background:#e8f6ff;color:#0a5a85}
.lb-gemline{margin:8px 0;font-weight:700;color:#0a5a85}
.lb-reward{margin:12px 0;padding:12px 16px;border:2px dashed #9cc9e6;border-radius:16px;background:#f3faff;display:grid;gap:4px;max-width:560px}
.lb-reward.win{border-style:solid;border-color:#5aa9d6;background:#e8f6ff}

/* Book quizzes (§21) */
.lb-qrules{margin:10px 0 16px;padding-left:22px;max-width:560px;line-height:1.6}
.lb-qhead{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap;margin:6px 0 12px}
.lb-qtext{flex:1 1 280px;margin:0}
.lb-choices{display:grid;gap:10px;max-width:720px;margin:0 0 16px}
.lb-choice{display:flex;align-items:center;gap:12px;padding:14px 16px;min-height:56px;border:2px solid #EFE6F7;border-radius:16px;background:#fff;font-size:1.1rem;line-height:1.4;cursor:pointer}
.lb-choice:hover{border-color:#B9D8FF}
.lb-choice input{width:24px;height:24px;flex:none;accent-color:#7B4FC0}
.lb-choice:has(input:checked){border-color:#7B4FC0;background:#F5EEFF}
.lb-choice:has(input:focus-visible){outline:3px solid #7B4FC0;outline-offset:2px}
.lb-choice:has(input:disabled){opacity:.55;cursor:not-allowed}
.lb-qnav{display:flex;gap:10px;flex-wrap:wrap}
.lb-qnav button:disabled{opacity:.5;cursor:not-allowed}
.lb-hints{max-width:720px;margin:14px 0;padding:14px 16px;border:2px solid #EFE6F7;border-radius:16px;background:#fff}
.lb-hints ul{margin:8px 0 0;padding-left:20px;line-height:1.6}

/* search + short descriptions on the shelf */
.lb-search{position:relative;max-width:560px;margin:0 0 12px}
.lb-search input{width:100%;box-sizing:border-box;min-height:52px;padding:10px 48px 10px 16px;border:2px solid #D9CCEE;border-radius:99px;background:#fff;font:inherit;font-size:1.05rem;color:#3d3355}
.lb-search input:focus-visible{outline:4px solid #FF7A1A;outline-offset:2px;border-color:#0F1E45}
.lb-search input::-webkit-search-cancel-button{display:none}
.lb-clear{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:transparent;font-size:1.1rem;color:#0F1E45;cursor:pointer}
.lb-clear:focus-visible{outline:3px solid #FF7A1A;outline-offset:1px}
.lb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.lb-status{margin:0 0 10px;color:#6f6680;font-size:.95rem;min-height:1.2em}
.lb-blurb{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;color:#4a4060;font-size:.95rem;line-height:1.4}
.lb-empty{grid-column:1/-1;padding:22px;border:2px dashed #D9CCEE;border-radius:20px;background:#fff;text-align:center;display:grid;gap:8px;justify-items:center}
.lb-empty p{margin:0;color:#6f6680}