/**
 * CSS Variables (Design Tokens)
 * Based on the original React application design system
 */

:root {
    /* Colors */
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-bg-primary: #0f0f23;
    --color-bg-secondary: #1a1a2e;
    --color-bg-card: #16213e;
    --color-text-primary: #e2e8f0;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;
    --color-border: #2d3748;
    --color-hover: #2d3e5f;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-poem: 'Merriweather', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Base Styles */
body.sj-poetry-page {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Merriweather:wght@300;400;700&display=swap');

/* Utility Classes */
.sj-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.sj-text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sj-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-weight: 500;
}

.sj-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.sj-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.sj-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Link Styles */
a.sj-link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a.sj-link:hover {
    color: var(--color-secondary);
}

/* Image Container - PRESERVE ASPECT RATIO */
.sj-image-container {
    width: 100%;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.sj-image-container img {
    max-width: 100%;
    height: auto; /* CRITICAL: Maintains aspect ratio */
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: inline-block;
}

/* Responsive */
@media (max-width: 768px) {
    .sj-container {
        padding: 0 var(--spacing-md);
    }
    
    :root {
        --text-4xl: 1.875rem;
        --text-5xl: 2.25rem;
    }
}

@media (max-width: 480px) {
    .sj-container {
        padding: 0 var(--spacing-sm);
    }
}