/* Books Section Styles */

.books-hero {
    max-width: var(--max-width-text);
    margin: 0 auto;
    padding: 5rem var(--space-page-gutter) 3rem;
    text-align: center;
}

.books-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.books-subtitle {
    font-size: 1.15rem;
    color: #777;
    font-style: italic;
}

/* Bookshelf Layout */
.bookshelf {
    max-width: var(--max-width-wide);
    margin: 3rem auto;
    padding: var(--space-page-gutter);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
    row-gap: 3rem;
    justify-items: center;
    align-items: end;
}

/* Book Cards */
.book {
    position: relative;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
    /* Books are not interactive, just display items */
    /* Removed cursor: pointer */
}

.book:hover,
.book:focus-within {
    transform: translateY(-12px) scale(1.05) rotate(0deg) !important;
    filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.25));
    z-index: 100;
}

/* Book Sizes */
.book.small {
    width: 140px;
}

.book.medium {
    width: 160px;
}

.book.large {
    width: 180px;
}

.book.featured {
    width: 200px;
}

/* Rotation Classes */
.book.rotate-left {
    transform: rotate(-2deg);
}

.book.rotate-right {
    transform: rotate(2deg);
}

/* Book Cover */
.book-cover {
    width: 100%;
    aspect-ratio: 2 / 3;
    background-size: cover;
    background-position: center;
    background-color: #2a2a2a;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.book-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(255,255,255,0.1) 0%,
        transparent 50%,
        rgba(0,0,0,0.2) 100%);
    pointer-events: none;
}

/* Book Info Overlay */
.book-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top,
        rgba(0, 0, 0, 0.95) 0%,
        rgba(0, 0, 0, 0.85) 70%,
        transparent 100%);
    padding: 3rem 1rem 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.book:hover .book-info,
.book:focus-within .book-info {
    opacity: 1;
}

/* Make book info keyboard accessible */
.book[tabindex] {
    cursor: default;
}

.book[tabindex]:focus {
    outline: 2px solid #667eea;
    outline-offset: 4px;
    border-radius: 4px;
}

.book-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.book-author {
    font-size: 0.85rem;
    color: #ccc;
    font-style: italic;
}

/* Dark Mode */
body.dark-mode .books-hero h1 {
    color: #eee;
}

body.dark-mode .books-subtitle {
    color: #999;
}

body.dark-mode .book-cover {
    background-color: #1a1a1a;
}

/* Tablet */
@media (max-width: 1024px) {
    .bookshelf {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1.5rem;
        row-gap: 2.5rem;
    }

    .book.small {
        width: 120px;
    }

    .book.medium {
        width: 140px;
    }

    .book.large {
        width: 160px;
    }

    .book.featured {
        width: 180px;
    }

    .books-hero h1 {
        font-size: 2.5rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .books-hero {
        padding: 4rem 1.5rem 2rem;
    }

    .books-hero h1 {
        font-size: 2rem;
    }

    .books-subtitle {
        font-size: 1rem;
    }

    .bookshelf {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 1.25rem;
        row-gap: 2rem;
        padding: 1rem;
    }

    .book.small {
        width: 100px;
    }

    .book.medium {
        width: 110px;
    }

    .book.large {
        width: 120px;
    }

    .book.featured {
        width: 130px;
    }

    /* Reduce rotations on mobile for easier tapping */
    .book.rotate-left {
        transform: rotate(-1deg);
    }

    .book.rotate-right {
        transform: rotate(1deg);
    }

    /* Make info always visible on mobile (no hover state) */
    .book-info {
        opacity: 0;
    }

    .book:active .book-info {
        opacity: 1;
    }

    .book-title {
        font-size: 0.85rem;
    }

    .book-author {
        font-size: 0.75rem;
    }
}