/**
 * API Course Landing Page Styles
 * 
 * Custom styling for API user course grid
 */

/* Container */
.eul-api-landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.eul-api-landing-content {
    width: 100%;
}

/* Empty State */
.eul-empty-state {
    text-align: center;
    padding: 60px 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.eul-empty-state-icon {
    margin-bottom: 20px;
}

.eul-empty-state-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.eul-empty-state-description {
    font-size: 16px;
    color: #666;
    max-width: 500px;
    margin: 0 auto;
}

/* Course Grid */
.eul-course-grid {
    display: grid;
    gap: 30px;
    margin-bottom: 40px;
}

.eul-course-grid.tutor-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.eul-course-grid.tutor-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.eul-course-grid.tutor-grid-1 {
    grid-template-columns: repeat(1, 1fr);
}

/* Course Card */
.eul-course-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.eul-course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Course Thumbnail */
.eul-course-thumbnail {
    position: relative;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.eul-course-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.eul-course-card:hover .eul-course-thumbnail img {
    transform: scale(1.05);
}

/* Course Content */
.eul-course-content {
    padding: 20px;
}

.eul-course-header {
    margin-bottom: 15px;
}

.eul-course-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.eul-course-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.eul-course-title a:hover {
    color: #007cba;
}

.eul-course-instructor {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: #666;
}

.eul-course-instructor .tutor-icon-person {
    font-size: 16px;
}

/* Course Meta */
.eul-course-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.eul-course-rating,
.eul-course-students {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: #666;
}

.eul-course-rating .tutor-icon-star-bold {
    font-size: 16px;
}

.eul-rating-count {
    color: #999;
    font-size: 12px;
}

/* Course Excerpt */
.eul-course-excerpt {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Course Footer */
.eul-course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.eul-course-price {
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

.eul-price-free {
    color: #27ae60;
}

.eul-price-value {
    color: #e74c3c;
}

.eul-course-button {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.eul-course-button:hover {
    opacity: 0.9;
}

/* Pagination */
.eul-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
}

.eul-pagination ul {
    display: flex;
    list-style: none;
    gap: 5px;
    padding: 0;
    margin: 0;
}

.eul-pagination li {
    display: inline-block;
}

.eul-pagination a,
.eul-pagination span {
    display: inline-block;
    padding: 10px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
}

.eul-pagination a:hover {
    background: #007cba;
    border-color: #007cba;
    color: #fff;
}

.eul-pagination .current span {
    background: #007cba;
    border-color: #007cba;
    color: #fff;
}

.eul-pagination .prev a,
.eul-pagination .next a {
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .eul-course-grid.tutor-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .eul-course-grid.tutor-grid-2,
    .eul-course-grid.tutor-grid-3 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .eul-api-landing-container {
        padding: 30px 15px;
    }
    
    .eul-course-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .eul-course-button {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .eul-empty-state {
        padding: 40px 15px;
    }
    
    .eul-empty-state-title {
        font-size: 20px;
    }
    
    .eul-empty-state-description {
        font-size: 14px;
    }
    
    .eul-course-content {
        padding: 15px;
    }
    
    .eul-course-title {
        font-size: 16px;
    }
    
    .eul-pagination a,
    .eul-pagination span {
        padding: 8px 12px;
        font-size: 14px;
    }
}

/* Loading States */
.eul-course-card.is-loading {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Accessibility */
.eul-course-card:focus-within {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.eul-course-button:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .eul-pagination {
        display: none;
    }
    
    .eul-course-grid {
        display: block;
    }
    
    .eul-course-card {
        break-inside: avoid;
        margin-bottom: 20px;
    }
}