/* ============================================================
   description.css — стили только для index.html
   ============================================================ */

.book-hero {
    display: flex;
    align-items: flex-start;
    gap: 36px;
    max-width: 860px;
    margin: 48px auto 0;
    padding: 40px 32px 36px;
    border-radius: 22px;
    background: var(--glass);
    border: 1px solid var(--glass-b);
    backdrop-filter: blur(18px) saturate(var(--glass-sat));
    -webkit-backdrop-filter: blur(18px) saturate(var(--glass-sat));
    box-shadow: var(--shadow);
    animation: fadeUp 0.55s var(--ease) both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-cover,
.cover-placeholder {
    flex-shrink: 0;
    width: 180px;
    aspect-ratio: 3/4;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow:
        0 18px 48px rgba(0,0,0,0.22),
        0 4px 10px rgba(0,0,0,0.12),
        4px 4px 0 rgba(0,0,0,0.08);
    transition:
        transform 0.35s var(--spring),
        box-shadow 0.35s var(--ease);
    background: linear-gradient(
        145deg,
        var(--glass-b),
        var(--hov)
    );
}

.hero-cover {
    object-fit: cover;
    display: block;
}

.hero-cover:hover,
.cover-placeholder:hover {
    transform: translateY(-6px) rotate(-1deg) scale(1.02);
    box-shadow:
        0 28px 60px rgba(0,0,0,0.28),
        0 6px 16px rgba(0,0,0,0.14),
        6px 8px 0 rgba(0,0,0,0.07);
}

.cover-placeholder .cover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 14px;
    z-index: 2;
    display: block;
}

.cover-placeholder svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    opacity: 0.25;
    color: var(--text);
    z-index: 1;
}

.cover-placeholder span {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    opacity: 0.3;
    color: var(--text);
    z-index: 1;
}

.hero-meta {
    flex: 1;
    padding-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero-meta .book-title {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 6px;
    color: var(--text);
}

.hero-meta .book-author {
    font-family: 'Lora', serif;
    font-size: 15px;
    font-style: italic;
    color: var(--muted);
    margin-bottom: 22px;
}

.meta-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    margin-bottom: 22px;
}

.meta-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    padding-top: 1px;
}

.meta-value {
    font-family: 'Lora', serif;
    font-size: 13.5px;
    color: var(--text);
}

.chapter-list-mini {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 26px;
}

.chapter-list-mini li a {
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    padding: 4px 9px;
    border-radius: 6px;
    background: var(--glass-b);
    border: 1px solid var(--div);
    color: var(--text);
    transition:
        background 0.15s,
        transform 0.15s var(--spring);
    display: block;
}

.chapter-list-mini li a:hover {
    background: var(--hov);
    transform: translateY(-1px);
}

.read-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 26px;
    border-radius: 12px;
    background: var(--btn);
    color: var(--btn-t);
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(0,0,0,0.18);
    transition:
        opacity 0.18s,
        transform 0.18s var(--spring),
        box-shadow 0.18s;
    align-self: flex-start;
}

.read-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.22);
}

.read-btn:active {
    transform: scale(0.97);
    opacity: 1;
}

.read-btn svg {
    width: 16px;
    height: 16px;
}

.synopsis-wrap {
    max-width: 860px;
    margin: 22px auto 0;
    padding: 28px 32px;
    border-radius: 18px;
    background: var(--glass);
    border: 1px solid var(--glass-b);
    backdrop-filter: blur(14px) saturate(var(--glass-sat));
    -webkit-backdrop-filter: blur(14px) saturate(var(--glass-sat));
    box-shadow: var(--shadow);
    animation: fadeUp 0.65s 0.12s var(--ease) both;
}

.synopsis-wrap h3 {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.synopsis-text {
    font-family: 'Lora', serif;
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--text);
}

.synopsis-footer {
    margin-top: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.viewer-section {
    max-width: 860px;
    margin: 22px auto 60px;
    animation: fadeUp 0.7s 0.22s var(--ease) both;
}

.viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.viewer-title {
    font-family: 'Playfair Display', serif;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}

.viewer-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--div);
    border-radius: 8px;
    background: var(--glass-b);
    color: var(--text);
    cursor: pointer;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background 0.15s,
        transform 0.15s var(--spring);
    font-family: 'Lora', serif;
}

.viewer-btn:hover {
    background: var(--hov);
    transform: scale(1.08);
}

.viewer-btn:active {
    transform: scale(0.94);
}

.viewer-btn:disabled {
    opacity: 0.3;
    cursor: default;
    transform: none;
}

.viewer-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.05em;
    min-width: 60px;
    text-align: center;
}

.viewer-box {
    border-radius: 18px;
    padding: 28px 32px;
    background: var(--glass);
    border: 1px solid var(--glass-b);
    backdrop-filter: blur(14px) saturate(var(--glass-sat));
    -webkit-backdrop-filter: blur(14px) saturate(var(--glass-sat));
    box-shadow: var(--shadow);
    min-height: 200px;
}

.viewer-chapter-title {
    font-family: 'Playfair Display', serif;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--div);
    color: var(--text);
}

.viewer-chapter-text {
    font-family: 'Lora', serif;
    font-size: 15.5px;
    line-height: 1.85;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text);
}

@media (max-width: 640px) {

    .book-hero {
        flex-direction: column;
        align-items: center;
        padding: 28px 20px 26px;
        gap: 22px;
        margin: 28px 12px 0;
    }

    .hero-cover,
    .cover-placeholder {
        width: 140px;
    }

    .hero-meta {
        text-align: center;
        align-items: center;
    }

    .hero-meta .book-title {
        font-size: 22px;
    }

    .meta-grid {
        justify-items: start;
    }

    .chapter-list-mini {
        justify-content: center;
    }

    .read-btn {
        align-self: center;
    }

    .synopsis-wrap {
        margin: 14px 12px 0;
        padding: 22px 20px;
    }

    .synopsis-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .viewer-section {
        margin: 14px 12px 44px;
    }

    .viewer-box {
        padding: 20px 18px;
        border-radius: 14px;
    }
}