/* ========================================
   Activities Page Styles
   ======================================== */

/* Quick Access */
.quick-access {
    padding-top: 80px;
    padding-bottom: 40px;
    background: var(--bg-secondary);
}

.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.quick-access-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.quick-access-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.quick-access-card.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.quick-access-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.quick-access-card.active .quick-access-icon {
    background: rgba(255,255,255,0.2);
    color: white;
}

.quick-access-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quick-access-card.active .quick-access-text {
    color: white;
}

/* Learning Path Section */
.learning-path-section {
    padding: 60px 0;
    background: white;
}

.section-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.learning-path {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

/* Path Categories */
.path-categories {
    flex: 0 0 280px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.path-category {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
}

.path-category:hover {
    background: var(--bg-dark);
}

.path-category.active {
    background: white;
    border-left-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.path-category-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--primary-color);
}

.path-category.active .path-category-icon {
    background: var(--primary-color);
    color: white;
}

.path-category span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.path-category.active span {
    color: var(--text-primary);
}

/* Path Timeline */
.path-timeline-container {
    flex: 1;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.path-timeline {
    display: flex;
    gap: 40px;
    min-width: 800px;
}

.path-level {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.path-level-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    align-self: flex-start;
}

.path-level-badge.professional {
    background: #805ad5;
}

.path-level-badge.practice {
    background: #38a169;
}

.path-level-badge.competition {
    background: #d69e2e;
}

.path-nodes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}

.path-nodes::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: var(--border-color);
}

.path-node {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    padding-left: 4px;
}

.node-dot {
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    z-index: 1;
    transition: all var(--transition-normal);
}

.path-node.active .node-dot {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.node-content {
    padding: 10px 16px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex: 1;
}

.node-name {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.path-node.active .node-name {
    color: var(--text-primary);
    font-weight: 500;
}

/* AI Activities Section */
.ai-activities-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.activity-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.activity-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.activity-card:hover .activity-image img {
    transform: scale(1.05);
}

.activity-content {
    padding: 20px;
}

.activity-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.activity-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.activity-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.activity-tag {
    padding: 4px 10px;
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-size: 0.6875rem;
    border-radius: 4px;
}

.activity-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: gap var(--transition-fast);
}

.activity-link:hover {
    gap: 10px;
}

.more-btn-container {
    text-align: center;
    margin-top: 40px;
}

.btn-more {
    padding: 10px 32px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-more:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .quick-access-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .learning-path {
        flex-direction: column;
    }
    
    .path-categories {
        flex: none;
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
    }
    
    .path-category {
        flex: 0 0 auto;
        min-width: 200px;
    }
    
    .activities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .quick-access-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .quick-access-card {
        padding: 20px;
    }
    
    .quick-access-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .quick-access-text {
        font-size: 0.875rem;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }
    
    .path-timeline {
        flex-direction: column;
        min-width: auto;
    }
    
    .path-nodes::before {
        display: none;
    }
}