/**
 * Academy Page Styles
 *
 * Tutorial categories, tutorial cards, and academy-specific components.
 */

/* ===== Academy Page Layout ===== */

.academy-page {
    padding: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

.page-header h1 {
    margin: 0 0 var(--space-sm) 0;
    font-size: 2.5rem;
    color: var(--color-text);
}

.page-header p {
    margin: 0;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ===== Category Section ===== */

.academy-category-section {
    margin-bottom: var(--space-xxl);
}

.academy-category-section .category-title {
    margin: 0 0 var(--space-md) 0;
    font-size: 1.75rem;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--space-sm);
}

/* ===== Resources List in Modal ===== */

.resources-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.resource-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.resource-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.resource-info {
    flex: 1;
}

.resource-info h4 {
    margin: 0 0 var(--space-xs) 0;
    font-size: 1.125rem;
    color: var(--color-text);
}

.resource-info p {
    margin: 0 0 var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.resource-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.resource-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.academy-categories {
    margin-bottom: var(--space-xl);
}

.academy-categories h2 {
    margin: 0 0 var(--space-lg) 0;
    font-size: 1.5rem;
    color: var(--color-text);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.category-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.category-icon {
    font-size: 3rem;
}

.category-card h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--color-text);
}

.category-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== Tutorial Section ===== */

.academy-tutorials {
    margin-bottom: var(--space-xl);
}

.academy-tutorials h2 {
    margin: 0 0 var(--space-lg) 0;
    font-size: 1.5rem;
    color: var(--color-text);
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.tutorial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
}

.tutorial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.tutorial-card h3 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--color-text);
}

.tutorial-description {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}

.tutorial-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}

.difficulty-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-bg-dark);
    color: var(--color-text-secondary);
}

/* ===== PDF Modal ===== */

.modal-pdf {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    padding-top: 80px; /* Space for main navigation */
}

.modal-pdf-container {
    width: 100%;
    max-width: 1800px;
    height: calc(100vh - 100px); /* Full height minus nav and padding */
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-pdf-header {
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-bg-secondary);
    border-bottom: 2px solid var(--color-border);
    flex-shrink: 0;
    text-align: center;
}

.modal-pdf-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text);
}

.modal-pdf-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    background: var(--color-bg-dark);
    padding: var(--space-md);
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-md);
}

.modal-audio-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-player {
    width: 100%;
    max-width: 800px;
    outline: none;
}

.modal-pdf-footer {
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-bg-secondary);
    border-top: 2px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    flex-shrink: 0;
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
    .academy-page {
        padding: var(--space-md);
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .categories-grid,
    .tutorials-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .modal-pdf {
        padding: var(--space-md);
        padding-top: 60px;
    }

    .modal-pdf-container {
        height: calc(100vh - 80px);
    }

    .modal-pdf-header {
        padding: var(--space-md);
    }

    .modal-pdf-header h2 {
        font-size: 1.125rem;
    }

    .modal-pdf-body {
        padding: var(--space-sm);
    }

    .modal-pdf-footer {
        padding: var(--space-md);
        gap: var(--space-md);
        flex-direction: column;
    }

    .modal-pdf-footer .btn {
        width: 100%;
    }
}