/* === Страница «Книги и циклы» === */

.books-page {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
}

/* --- Таймлайн цикла --- */
.series-timeline {
    padding: var(--spacing-section) 0;
}

.timeline {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: var(--spacing-2xl) 0;
}

.timeline__line {
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255, 255, 255, 0.08);
}

.timeline__line-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-gold), var(--color-accent-copper), var(--color-text-muted));
    border-radius: 2px;
    width: 40%;
}

.timeline__item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
}

.timeline__dot {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-round);
    border: 2px solid var(--color-text-muted);
    background: var(--color-bg-primary);
    transition: all var(--transition-normal);
    z-index: 2;
}

.timeline__dot--complete {
    background: var(--color-status-complete);
    border-color: var(--color-status-complete);
    box-shadow: 0 0 10px rgba(39, 174, 96, 0.4);
}

.timeline__dot--active {
    background: var(--color-status-in-progress);
    border-color: var(--color-status-in-progress);
    box-shadow: 0 0 10px rgba(243, 156, 18, 0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

.timeline__dot--locked {
    background: var(--color-bg-card);
    border-color: var(--color-text-muted);
}

.timeline__title {
    font-family: var(--font-accent);
    font-size: var(--font-size-caption);
    color: var(--color-text-secondary);
    max-width: 120px;
    transition: color var(--transition-fast);
}

.timeline__item:hover .timeline__title {
    color: var(--color-accent-gold);
}

.timeline__status {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* --- Карточки книг --- */
.books-grid {
    padding: var(--spacing-section) 0;
}

.books-grid__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.book-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--spacing-lg);
    background: var(--color-bg-card);
    border: var(--border-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.book-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.book-card__cover {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 2/3;
    background: var(--color-bg-secondary);
}

.book-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-card__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.book-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.book-card__order {
    font-family: var(--font-accent);
    font-size: var(--font-size-caption);
    color: var(--color-accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.book-card__title {
    font-family: var(--font-accent);
    font-size: var(--font-size-h3);
    margin-bottom: 0;
}

.book-card__synopsis {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    flex-grow: 1;
}

.book-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.book-card__actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* --- FAQ / С чего начать --- */
.faq-section {
    padding: var(--spacing-section) 0;
    background: var(--color-bg-secondary);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border: var(--border-card);
    border-radius: var(--radius-card);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    text-align: left;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-family: var(--font-accent);
    font-size: var(--font-size-body);
    color: var(--color-text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

.faq-item__question:hover {
    color: var(--color-accent-gold);
}

.faq-item__icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    color: var(--color-accent-gold);
}

.faq-item.active .faq-item__icon {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-item__answer {
    max-height: 300px;
}

.faq-item__answer-inner {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

/* --- Адаптив --- */
@media (max-width: 768px) {
    .timeline {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 30px;
    }

    .timeline__line {
        left: 8px;
        right: auto;
        top: 0;
        bottom: 0;
        width: 2px;
        height: auto;
    }

    .timeline__line-fill {
        width: 100%;
        height: 40%;
    }

    .timeline__item {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-md);
    }

    .timeline__dot {
        position: absolute;
        left: -30px;
    }

    .book-card {
        grid-template-columns: 100px 1fr;
    }

    .books-grid__list {
        grid-template-columns: 1fr;
    }

    .faq-item.active .faq-item__answer {
        max-height: 500px;
    }
}

@media (max-width: 480px) {
    .book-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .book-card__cover {
        max-width: 200px;
        margin: 0 auto;
    }

    .book-card__header {
        justify-content: center;
    }

    .book-card__tags {
        justify-content: center;
    }

    .book-card__actions {
        justify-content: center;
    }

    .timeline__title {
        max-width: 100px;
        font-size: 0.7rem;
    }
}