/**
 * Steven Sheeley Author Platform
 * Book Detail Page Styles
 * Version: 20250626
 */

.book-detail-main {
    position: relative;
    z-index: 1;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-3xl);
    min-height: 70vh;
}

.book-detail-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Breadcrumb */
.book-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.book-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.book-breadcrumb a:hover {
    color: var(--color-accent);
}

.book-breadcrumb .sep {
    color: var(--color-border-light);
}

/* Layout: cover + info */
.book-detail-layout {
    display: grid;
    grid-template-columns: minmax(240px, 340px) 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Cover column */
.book-detail-cover {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-lg));
}

.book-detail-cover img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-lg), 0 0 40px var(--color-accent-soft);
    border: 1px solid var(--color-border);
    display: block;
}

.book-detail-cover .book-cover-actions {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.book-detail-cover .book-cover-actions .btn {
    width: 100%;
    text-align: center;
}

/* Info column */
.book-detail-series-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    text-decoration: none;
    margin-bottom: var(--space-sm);
}

.book-detail-series-label:hover {
    text-decoration: underline;
}

.book-detail-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    line-height: 1.1;
    color: var(--color-text-primary);
    margin: 0 0 0.4rem;
}

.book-detail-subtitle {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin: 0 0 var(--space-md);
}

/* Status + release tags */
.book-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-lg);
}

.book-tag {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
}

.book-tag.status-published,
.book-tag.status-completed {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.5);
    color: #6ee7b7;
}

.book-tag.status-in-progress {
    background: rgba(234, 179, 8, 0.15);
    border-color: rgba(234, 179, 8, 0.5);
    color: #fde047;
}

.book-tag.status-planned {
    background: rgba(148, 163, 184, 0.12);
    border-color: var(--color-border-light);
    color: var(--color-text-muted);
}

.book-tag.tag-release {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Meta stat row */
.book-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    margin-bottom: var(--space-lg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.book-meta-stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.book-meta-stat .label {
    font-family: var(--font-body);
    font-size: 0.72rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.book-meta-stat .value {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Synopsis */
.book-detail-section {
    margin-bottom: var(--space-xl);
}

.book-detail-section h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-md);
    position: relative;
    padding-bottom: 0.5rem;
}

.book-detail-section h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 48px;
    height: 2px;
    background: var(--color-accent);
}

.book-synopsis p {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-md);
}

/* Primary actions */
.book-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* Reading order strip */
.reading-order-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.reading-order-strip .ro-book {
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.reading-order-strip .ro-book:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.reading-order-strip .ro-book.current {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 600;
}

.reading-order-strip .ro-num {
    opacity: 0.6;
    margin-right: 0.35rem;
}

/* Not found state */
.book-not-found {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    max-width: 560px;
    margin: 0 auto;
}

.book-not-found .icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.book-not-found h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.book-not-found p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

/* Loading state */
.book-loading {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--color-text-muted);
    font-family: var(--font-body);
}

/* Responsive */
@media (max-width: 768px) {
    .book-detail-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .book-detail-cover {
        position: static;
        max-width: 280px;
        margin: 0 auto;
    }

    .book-detail-meta {
        gap: var(--space-md);
    }
}