/* 
    Book Card Grid Component Styles
    Standardized design across OpenShelf
*/

.book-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.25rem; 
}

.book-card {
    background: white; 
    border-radius: 20px; 
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04); 
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; 
    flex-direction: column; 
    position: relative; 
    border: none;
    height: 100%;
}

.book-card.show { 
    opacity: 1; 
    transform: translateY(0); 
}

.book-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.08); 
}

.book-cover-container { 
    position: relative; 
    padding: 1rem;
    padding-top: 135%; /* Forced Aspect Ratio */
    overflow: hidden; 
    background: #f8fafc; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-cover-container img { 
    position: absolute; 
    top: 1rem; 
    left: 1rem; 
    right: 1rem; 
    bottom: 1rem; 
    width: calc(100% - 2rem); 
    height: calc(100% - 2rem); 
    object-fit: contain; 
    transition: transform 0.6s ease; 
    border-radius: 12px;
    filter: drop-shadow(0 8px 16px rgba(0,0,0,0.1));
}

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

.book-badge {
    position: absolute; 
    top: 1.25rem; 
    right: 1.25rem; 
    padding: 0.4rem 0.9rem;
    border-radius: 2rem; 
    font-size: 0.75rem; 
    font-weight: 700; 
    text-transform: uppercase;
    letter-spacing: 0.5px; 
    z-index: 2; 
    backdrop-filter: blur(4px);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.badge-available { background: rgba(39, 174, 96, 0.85); }
.badge-borrowed { background: rgba(231, 76, 60, 0.85); }
.badge-reserved { background: rgba(52, 152, 219, 0.85); }
.badge-returned { background: rgba(100, 116, 139, 0.85); }

.book-info { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }

.book-category-tag {
    font-size: 0.75rem; 
    font-weight: 600; 
    color: var(--primary); 
    text-transform: uppercase;
    letter-spacing: 1px; 
    margin-bottom: 0.5rem; 
    opacity: 0.8;
}

.book-title {
    font-size: 1.1rem; 
    font-weight: 800; 
    margin-bottom: 0.35rem; 
    line-height: 1.4;
    color: var(--gray-900); 
    display: -webkit-box; 
    -webkit-line-clamp: 2; 
    -webkit-box-orient: vertical; 
    overflow: hidden;
}

.book-title a { color: inherit; text-decoration: none; transition: color 0.2s; }
.book-title a:hover { color: var(--primary); }

.book-author { 
    font-size: 0.85rem; 
    color: var(--gray-600); 
    margin-bottom: 1.25rem; 
    font-weight: 500; 
}

.book-extra-info {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: -0.75rem;
    margin-bottom: 1rem;
}

.book-footer {
    margin-top: auto; 
    padding-top: 1rem; 
    border-top: 1px solid var(--gray-100);
    display: flex; 
    align-items: center; 
    justify-content: space-between;
}

.owner-info { display: flex; align-items: center; gap: 0.75rem; }
.owner-avatar { 
    width: 28px; 
    height: 28px; 
    border-radius: 50%; 
    object-fit: cover; 
    border: 1.5px solid white; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.05); 
}
.owner-name { font-size: 0.8rem; font-weight: 600; color: var(--gray-700); }

/* Responsive adjustments */
@media (max-width: 639px) {
    .book-grid { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 1rem; 
    }
    .book-info { padding: 1rem; }
    .book-title { font-size: 0.9rem; }
    .owner-avatar { width: 22px; height: 22px; }
    .book-badge { top: 0.75rem; right: 0.75rem; padding: 0.25rem 0.6rem; font-size: 0.65rem; }
}

@media (min-width: 640px) {
    .book-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .book-grid { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}

@media (min-width: 1400px) {
    .book-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Dark Mode Support */
[data-theme="dark"] .book-card { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .book-cover-container { background: #0f172a; }
[data-theme="dark"] .book-title { color: #f8fafc; }
[data-theme="dark"] .book-footer { border-color: #334155; }
[data-theme="dark"] .owner-name { color: #cbd5e1; }
[data-theme="dark"] .book-extra-info { color: #94a3b8; }