/**
 * Poem Detail Page Styles
 */

.poem-detail-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
    min-height: 100vh;
}

/* Poem Header */
.poem-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.poem-title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.poem-book-link {
    display: inline-block;
    font-size: var(--text-lg);
    color: var(--color-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    transition: color var(--transition-fast);
}

.poem-book-link:hover {
    color: var(--color-secondary);
}

.poem-year {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Featured Postcard */
.featured-postcard-container {
    text-align: center;
    margin: var(--spacing-3xl) 0;
}

.featured-postcard-container a {
    display: inline-block;
    line-height: 0;
}

.featured-postcard-image {
    max-width: 100%;
    height: auto; /* CRITICAL: Maintains aspect ratio */
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    transition: all var(--transition-slow);
}

.featured-postcard-image:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
}

.featured-postcard-caption {
    margin-top: var(--spacing-lg);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Poem Content */
.poem-content-wrapper {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    margin: var(--spacing-3xl) 0;
    box-shadow: var(--shadow-lg);
}

.poem-content {
    text-align: center;
}

.poem-text {
    font-family: var(--font-poem);
    font-size: var(--text-lg);
    line-height: 2;
    color: var(--color-text-primary);
    white-space: pre-wrap;
    margin: 0;
    max-width: 700px;
    margin: 0 auto;
}

/* Themes Section */
.poem-themes {
    margin: var(--spacing-3xl) 0;
    text-align: center;
}

.poem-themes h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.theme-tag {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--transition-base);
    font-weight: 500;
}

.theme-tag:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.4), rgba(118, 75, 162, 0.4));
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Action Buttons */
.poem-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-2xl) 0;
}

.poem-action-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.poem-action-btn:hover {
    background-color: var(--color-hover);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Related Postcards Section */
.related-postcards {
    margin: var(--spacing-3xl) 0;
}

.related-postcards h2 {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-primary);
}

.postcards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.postcard-thumbnail {
    text-decoration: none;
    display: block;
    transition: all var(--transition-base);
}

.postcard-thumbnail:hover {
    transform: translateY(-4px);
}

.postcard-thumbnail-image {
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.postcard-thumbnail-image img {
    max-width: 100%;
    height: auto; /* CRITICAL: Maintains aspect ratio */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.postcard-thumbnail:hover .postcard-thumbnail-image img {
    box-shadow: var(--shadow-xl);
}

.postcard-thumbnail-title {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.postcard-thumbnail:hover .postcard-thumbnail-title {
    color: var(--color-primary);
}

/* Navigation Buttons */
.poem-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.nav-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.nav-btn:disabled,
.poem-navigation > div {
    opacity: 0;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .poem-detail-container {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .poem-title {
        font-size: var(--text-4xl);
    }
    
    .poem-content-wrapper {
        padding: var(--spacing-2xl);
    }
    
    .poem-text {
        font-size: var(--text-base);
    }
    
    .postcards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .poem-navigation {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .poem-title {
        font-size: var(--text-3xl);
    }
    
    .poem-content-wrapper {
        padding: var(--spacing-lg);
    }
    
    .postcards-grid {
        grid-template-columns: 1fr;
    }
    
    .poem-actions {
        flex-direction: column;
    }
}