/* ========================================
   MEA Interest Page - PDF Display
   ======================================== */

.mea-interest-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

.mea-interest-header {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.mea-interest-header h1 {
    color: var(--primary-blue);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    position: relative;
    display: inline-block;
    width: 100%;
}

.mea-interest-header h1::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: var(--radius-full);
}

.mea-interest-details {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
}

.mea-interest-details p {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--text-dark);
    font-weight: 500;
}

.mea-interest-details strong {
    color: var(--primary-blue);
    font-weight: 700;
}

.mea-interest-content {
    margin-top: var(--space-xl);
}

/* PDF Container */
.pdf-container {
    width: 100%;
    margin-top: var(--space-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--white);
    border: 2px solid var(--light-blue);
    position: relative;
}

.pdf-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue), var(--secondary-blue));
    background-size: 200% 100%;
    animation: gradient-shift 3s ease-in-out infinite;
    z-index: 1;
}

.pdf-container iframe {
    display: block;
    width: 100%;
    height: 70vh;
    min-height: 500px;
    border: none;
    background: var(--white);
    transition: all 0.3s ease;
}

.pdf-container iframe:hover {
    box-shadow: inset 0 0 10px rgba(37, 99, 235, 0.1);
}

/* PDF Fallback Content */
.pdf-container iframe + * {
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-medium);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin: var(--space-md);
}

.pdf-container iframe + * a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    background: var(--light-blue);
    border-radius: var(--radius-md);
    display: inline-block;
    margin-top: var(--space-md);
    transition: all 0.3s ease;
}

.pdf-container iframe + * a:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet Styles */
@media (max-width: 1024px) {
    .pdf-container iframe {
        height: 60vh;
        min-height: 400px;
    }
    
    .mea-interest-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .mea-interest-details p {
        font-size: var(--font-size-base);
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    .mea-interest-container {
        padding: 0 var(--space-md);
    }
    
    .mea-interest-header {
        margin-bottom: var(--space-lg);
    }
    
    .mea-interest-header h1 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-md);
    }
    
    .mea-interest-header h1::after {
        width: 60px;
    }
    
    .mea-interest-details {
        margin-top: var(--space-md);
        gap: var(--space-xs);
    }
    
    .mea-interest-details p {
        font-size: var(--font-size-sm);
        text-align: center;
    }
    
    .mea-interest-content {
        margin-top: var(--space-lg);
    }
    
    .pdf-container {
        margin-top: var(--space-md);
        border-radius: var(--radius-lg);
    }
    
    .pdf-container iframe {
        height: 50vh;
        min-height: 300px;
        max-height: 500px;
    }
    
    .pdf-container iframe + * {
        padding: var(--space-lg);
        margin: var(--space-sm);
    }
    
    .pdf-container iframe + * a {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .mea-interest-container {
        padding: 0 var(--space-sm);
    }
    
    .mea-interest-header h1 {
        font-size: var(--font-size-xl);
    }
    
    .mea-interest-details p {
        font-size: var(--font-size-xs);
    }
    
    .pdf-container iframe {
        height: 40vh;
        min-height: 250px;
        max-height: 400px;
    }
    
    .pdf-container iframe + * {
        padding: var(--space-md);
        margin: var(--space-xs);
        font-size: var(--font-size-sm);
    }
    
    .pdf-container iframe + * a {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-xs);
    }
}

/* ========================================
   MOBILE PDF OPTIMIZATION
   ======================================== */

/* Force PDF to load properly on mobile */
@media (max-width: 768px) {
    .pdf-container iframe {
        /* Force hardware acceleration */
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        
        /* Ensure proper rendering */
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        
        /* Force repaint */
        will-change: transform;
    }
}

/* Alternative PDF display for very small screens */
@media (max-width: 360px) {
    .pdf-container {
        position: relative;
    }
    
    .pdf-container::after {
        content: "📱 Pre lepšie zobrazenie PDF na mobilných zariadeniach, odporúčame použiť desktop verziu alebo stiahnuť súbor.";
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--light-blue);
        color: var(--primary-blue);
        padding: var(--space-sm);
        font-size: var(--font-size-xs);
        text-align: center;
        border-top: 1px solid var(--accent-blue);
        z-index: 2;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Focus styles for PDF container */
.pdf-container:focus-within {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .pdf-container {
        border: 2px solid var(--text-dark);
    }
    
    .pdf-container iframe + * a {
        border: 2px solid var(--text-dark);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .pdf-container::before {
        animation: none;
    }
    
    .pdf-container iframe {
        transition: none;
    }
}