/* Catalog Page Styles */

.catalog-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Breadcrumb */
.catalog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.catalog-breadcrumb__item {
    color: var(--text-muted);
}

.catalog-breadcrumb__item--active {
    color: var(--text-primary);
    font-weight: 600;
}

.catalog-breadcrumb__link {
    color: var(--accent-primary);
    text-decoration: none;
}

.catalog-breadcrumb__link:hover {
    text-decoration: underline;
}

.catalog-breadcrumb__sep {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.catalog-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.catalog-toolbar .search-bar {
    max-width: 400px;
}

/* Reader Settings Button */
.reader-settings-btn {
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.reader-settings-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-default);
}

/* Reader Popover */
.reader-popover {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-width: 300px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.reader-popover__title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.reader-popover__radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    cursor: pointer;
    margin-bottom: 0.375rem;
}

.reader-popover__radio input[type="radio"] {
    margin: 0;
}

.reader-popover__input {
    width: 100%;
    padding: 0.375rem 0.5rem;
    font-size: 0.8125rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    margin-top: 0.375rem;
    box-sizing: border-box;
}

.reader-popover__actions {
    margin-top: 0.75rem;
    display: flex;
    justify-content: flex-end;
}

/* Volume Card */
.volume-card {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform var(--transition-fast);
    text-decoration: none;
    color: inherit;
}

.volume-card:hover {
    transform: translateY(-4px);
}

.volume-card__cover {
    position: relative;
    aspect-ratio: 0.7;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-tertiary);
}

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

/* Stacked cover effect */
.volume-card__cover--stacked {
    position: relative;
}

.volume-card__cover--stacked::before,
.volume-card__cover--stacked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.volume-card__cover--stacked::before {
    transform: rotate(4deg) translate(6px, -6px);
    z-index: -2;
}

.volume-card__cover--stacked::after {
    transform: rotate(2deg) translate(3px, -3px);
    z-index: -1;
}

.volume-card__cover--stacked img {
    position: relative;
    z-index: 1;
}

.volume-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-elevated) 100%);
    color: var(--text-muted);
}

.volume-card__placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.volume-card__info {
    padding-top: 0.75rem;
}

.volume-card__title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.volume-card__count {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.volume-card__badge {
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.12rem 0.45rem;
    font-size: 0.67rem;
    line-height: 1.2;
    color: #8a4b08;
    background: #ffe7bf;
    border: 1px solid #f0c27b;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.volume-card__badge--progress {
    color: #0b5e3b;
    background: #d6f5e7;
    border-color: #9edbbf;
    margin-right: 0.35rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.875rem;
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
}

@media (max-width: 768px) {
    .catalog-page {
        padding: 1rem;
    }

    .catalog-toolbar .search-bar {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .volume-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
}