.book-index-container.svelte-dg7uwr{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--card-shadow);border-radius:16px;padding:2.25rem}.back-link.svelte-dg7uwr{color:var(--link-color);align-items:center;gap:.5rem;margin-bottom:2rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:color .2s,transform .2s;display:inline-flex}.back-link.svelte-dg7uwr:hover{color:var(--accent-color);transform:translate(-4px)}.title.svelte-dg7uwr{text-align:center;letter-spacing:-.02em;color:var(--text-color);margin:0 0 3rem;padding-bottom:.75rem;font-size:2.75rem;font-weight:800;position:relative}.title.svelte-dg7uwr:after{content:"";background-color:var(--link-color);border-radius:2px;width:45px;height:4px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.chapter-list.svelte-dg7uwr{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:1rem;display:grid}@media (width>=768px){.chapter-list.svelte-dg7uwr{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:1.25rem}}.chapter-link.svelte-dg7uwr{text-align:center;background-color:var(--background-color);border:1px solid var(--border-color);color:var(--text-color);border-radius:10px;justify-content:center;align-items:center;padding:1.25rem 1rem;font-size:1.05rem;font-weight:500;text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex}.chapter-link.svelte-dg7uwr:hover{background-color:var(--background-color);border-color:var(--link-color);color:var(--link-color);box-shadow:0 6px 20px var(--glow-color);transform:translateY(-4px)}.empty-message.svelte-dg7uwr{text-align:center;color:var(--text-color);opacity:.7;margin:2rem 0;font-style:italic}@media (width<=768px){.book-index-container.svelte-dg7uwr{border-radius:12px;padding:1.5rem 1.25rem}.back-link.svelte-dg7uwr{margin-bottom:1.5rem}.title.svelte-dg7uwr{margin-bottom:2.25rem;padding-bottom:.6rem;font-size:2rem}.chapter-list.svelte-dg7uwr{grid-template-columns:repeat(auto-fill,minmax(85px,1fr));gap:.75rem}.chapter-link.svelte-dg7uwr{border-radius:8px;padding:1rem .5rem;font-size:.95rem}}