/* AI Learn Events Grid Styles */

:root {
    /* Primary Colors */
    --ai-learn-primary: #3b8bff;
    --ai-learn-primary-hover: #2252D1;
    --ai-learn-primary-light: rgba(0, 120, 212, 0.1);
    
    /* Text Colors */
    --ai-learn-text-primary: #323130;
    --ai-learn-text-secondary: #605e5c;
    --ai-learn-text-muted: #8a8886;
    
    /* Background Colors */
    --ai-learn-bg-primary: #ffffff;
    --ai-learn-bg-secondary: #f8f9fa;
    --ai-learn-bg-light: #f3f2f1;
    
    /* Border Colors */
    --ai-learn-border-primary: #e1dfdd;
    --ai-learn-border-light: #f3f2f1;
    
    /* Tag Colors */
    --ai-learn-tag-blue-bg: #e1f5fe;
    --ai-learn-tag-blue-text: #2252D;
    --ai-learn-tag-purple-bg: #f3e5f5;
    --ai-learn-tag-purple-text: #7b1fa2;
    --ai-learn-tag-green-bg: #e8f5e8;
    --ai-learn-tag-green-text: #2e7d32;
    --ai-learn-tag-orange-bg: #fff3e0;
    --ai-learn-tag-orange-text: #ef6c00;
    
    /* Error Colors */
    --ai-learn-error-bg: #fde7e9;
    --ai-learn-error-text: #d13438;
    --ai-learn-error-border: #f1707b;
    
    /* Loading Colors */
    --ai-learn-loading-bg: #f3f3f3;
    --ai-learn-loading-spinner: #3b8bff;
    
    /* Icon Colors */
    --ai-learn-icon-primary: #3b8bff;
    --ai-learn-icon-secondary: #605e5c;
    --ai-learn-icon-muted: #8a8886;
}

.ai-learn-events-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.ai-learn-header {
    margin-bottom: 30px;
    text-align: center;
}

.ai-learn-header h2 {
    color: var(--ai-learn-text-primary);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.ai-learn-filters {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.ai-learn-filters select {
    padding: 10px 15px;
    border: 2px solid var(--ai-learn-border-primary);
    border-radius: 8px;
    background-color: var(--ai-learn-bg-primary);
    font-size: 14px;
    min-width: 150px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ai-learn-filters select:hover {
    border-color: var(--ai-learn-primary);
}

/* Loading Spinner */
.ai-learn-loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--ai-learn-loading-bg);
    border-top: 4px solid var(--ai-learn-loading-spinner);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-learn-loading p {
    color: var(--ai-learn-text-secondary);
    font-size: 16px;
    margin: 0;
}

/* Events Grid */
.ai-learn-events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.ai-learn-event-card {
    background: var(--ai-learn-bg-primary);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--ai-learn-border-primary);
}

.ai-learn-event-card:hover {
    transform: translateY(-3px);
    border-color: var(--ai-learn-primary);
}

.ai-learn-event-header {
    padding: 20px 20px 15px;
    border-bottom: 1px solid var(--ai-learn-border-light);
}

.ai-learn-event-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ai-learn-text-primary);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.ai-learn-event-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.ai-learn-event-title a:hover {
    color: var(--ai-learn-primary);
}

.ai-learn-event-summary {
    color: var(--ai-learn-text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ai-learn-event-body {
    padding: 15px 20px 20px;
}

.ai-learn-event-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--ai-learn-text-secondary);
}

.ai-learn-event-duration {
    display: flex;
    align-items: center;
    gap: 5px;
}

.ai-learn-event-duration::before {
    content: "\f017"; /* Font Awesome clock icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    margin-right: 5px;
}

.ai-learn-event-type {
    background: var(--ai-learn-bg-light);
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: capitalize;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.ai-learn-event-type::before {
    content: "\f02d"; /* Font Awesome book icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 12px;
    color: var(--ai-learn-icon-secondary);
}

.ai-learn-event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.ai-learn-tag {
    background: var(--ai-learn-tag-blue-bg);
    color: var(--ai-learn-tag-blue-text);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-learn-tag.role {
    background: var(--ai-learn-tag-purple-bg);
    color: var(--ai-learn-tag-purple-text);
}

.ai-learn-tag.level {
    background: var(--ai-learn-tag-green-bg);
    color: var(--ai-learn-tag-green-text);
}

.ai-learn-tag.product {
    background: var(--ai-learn-tag-orange-bg);
    color: var(--ai-learn-tag-orange-text);
}

.ai-learn-event-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--ai-learn-border-light);
}

.ai-learn-event-link {
    background: var(--ai-learn-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-learn-event-link::before {
    content: "\f35d"; /* Font Awesome external-link-alt icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 12px;
}

.ai-learn-event-link:hover {
    background: var(--ai-learn-primary-hover);
    transform: translateY(-1px);
	color: #fff;
}

.ai-learn-event-date {
    font-size: 12px;
    color: var(--ai-learn-text-muted);
}

/* Error Message */
.ai-learn-error {
    background: var(--ai-learn-error-bg);
    color: var(--ai-learn-error-text);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--ai-learn-error-border);
    text-align: center;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.ai-learn-error::before {
    content: "\f071"; /* Font Awesome exclamation-triangle icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .ai-learn-events-container {
        padding: 15px;
    }
    
    .ai-learn-header h2 {
        font-size: 2rem;
    }
    
    .ai-learn-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .ai-learn-filters select {
        width: 100%;
        max-width: 300px;
    }
    
    .ai-learn-events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .ai-learn-event-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .ai-learn-event-footer {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .ai-learn-event-link {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .ai-learn-header h2 {
        font-size: 1.75rem;
    }
    
    .ai-learn-event-card {
        margin: 0 10px;
    }
    
    .ai-learn-event-header,
    .ai-learn-event-body {
        padding: 15px;
    }
}

/* Empty State */
.ai-learn-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--ai-learn-text-secondary);
}

.ai-learn-empty::before {
    content: "\f002"; /* Font Awesome search icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 48px;
    color: var(--ai-learn-icon-muted);
    display: block;
    margin-bottom: 20px;
}

.ai-learn-empty h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--ai-learn-text-primary);
}

.ai-learn-empty p {
    font-size: 16px;
    margin: 0;
}

/* Accessibility */
.ai-learn-event-card:focus-within {
    outline: 2px solid var(--ai-learn-primary);
    outline-offset: 2px;
}

.ai-learn-filters select:focus {
    outline: 2px solid var(--ai-learn-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .ai-learn-event-card {
        border: 2px solid #000;
    }
    
    .ai-learn-event-link {
        border: 2px solid #000;
    }
}