/* ====================================
   Book Card Styles
   ==================================== */

.book-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
    border-radius: 0.5rem;
    overflow: hidden;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.book-card:focus-within {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.book-card img {
    height: 250px;
    object-fit: cover;
    width: 100%;
    display: block;
    background-color: #f0f0f0;
    transition: transform 0.3s ease;
}

.book-card:hover img {
    transform: scale(1.05);
}

.book-card .card-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.book-card .card-title {
    margin-bottom: 0.5rem;
    line-height: 1.3;
    min-height: 2.6rem; /* 2 lines */
}

.book-card .text-muted {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.book-card .btn-outline-primary {
    transition: all 0.3s ease;
    font-size: 0.875rem;
    padding: 0.4rem 0.6rem;
}

.book-card .btn-outline-primary:hover {
    transform: translateX(2px);
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: white;
}

.book-card .btn-outline-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.book-card .badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ====================================
   RESPONSIVE BREAKPOINTS
   ==================================== */

@media (max-width: 768px) {
    .book-card img {
        height: 180px;
    }

    .book-card .card-title {
        font-size: 0.85rem;
        min-height: 2.4rem;
    }

    .book-card .text-muted {
        font-size: 0.75rem;
    }
}

@media (max-width: 576px) {
    .book-card img {
        height: 160px;
    }

    .book-card .card-body {
        padding: 0.75rem;
    }

    .book-card .card-title {
        font-size: 0.8rem;
        min-height: 2.2rem;
    }

    .book-card .text-muted {
        font-size: 0.7rem;
    }

    .book-card .btn-outline-primary {
        font-size: 0.75rem;
        padding: 0.35rem 0.5rem;
    }
}

/* ====================================
   LOADING STATE
   ==================================== */

.book-card.loading img {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ====================================
   ACCESSIBILITY
   ==================================== */

.book-card:focus-visible {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

.book-card img:focus-visible {
    outline: 2px solid #0d6efd;
    outline-offset: -4px;
}

/* ====================================
   PRINT STYLES
   ==================================== */

@media print {
    .book-card {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
    }

    .book-card .btn,
    .book-card .badge {
        display: none;
    }
}