/* Truyennghe Simple LMS Frontend Styles */

/* Course Grid */
.tnslms-courses-grid {
    display: grid;
    gap: 20px;
    margin: 20px 0;
}

.tnslms-courses-grid.columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.tnslms-courses-grid.columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.tnslms-courses-grid.columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
    .tnslms-courses-grid {
        grid-template-columns: 1fr;
    }
}

/* Course Card */
.tnslms-course-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.tnslms-course-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tnslms-course-thumbnail {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.tnslms-course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tnslms-progress-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #4CAF50;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: bold;
}

.tnslms-course-info {
    padding: 15px;
}

.tnslms-course-title {
    margin: 0 0 10px;
    font-size: 18px;
}

.tnslms-course-title a {
    text-decoration: none;
    color: #333;
}

.tnslms-course-excerpt {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.tnslms-course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.tnslms-course-price {
    font-weight: bold;
    color: #e74c3c;
}

.tnslms-free {
    color: #27ae60;
}

/* Progress Bar */
.tnslms-progress-bar {
    width: 100%;
    height: 10px;
    background: #f0f0f0;
    border-radius: 5px;
    overflow: hidden;
    margin: 10px 0;
}

.tnslms-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #66BB6A);
    transition: width 0.3s;
}

.tnslms-progress-text {
    font-size: 14px;
    color: #666;
}

/* Lesson Navigation */
.tnslms-lesson-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.tnslms-nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.tnslms-nav-link:hover {
    color: #0073aa;
}

.tnslms-nav-text {
    display: flex;
    flex-direction: column;
    margin: 0 10px;
}

.tnslms-nav-text small {
    color: #999;
    font-size: 12px;
}

/* Curriculum */
.tnslms-curriculum {
    margin: 20px 0;
}

.tnslms-lesson-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: white;
    border: 1px solid #eee;
    margin-bottom: 10px;
    border-radius: 5px;
    transition: background 0.3s;
}

.tnslms-lesson-item:hover {
    background: #f9f9f9;
}

.tnslms-lesson-item.completed {
    background: #f0f8ff;
}

.tnslms-lesson-number {
    width: 40px;
    height: 40px;
    background: #0073aa;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
}

.tnslms-lesson-item.completed .tnslms-lesson-number {
    background: #4CAF50;
}

.tnslms-lesson-info {
    flex: 1;
}

.tnslms-lesson-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    display: block;
    margin-bottom: 5px;
}

.tnslms-lesson-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: #666;
}

.tnslms-lesson-meta span {
    display: flex;
    align-items: center;
}

.tnslms-lesson-meta .dashicons {
    margin-right: 3px;
    font-size: 16px;
}

.tnslms-lesson-status {
    margin-left: auto;
}

.tnslms-status-completed {
    color: #4CAF50;
}

.tnslms-status-available {
    color: #0073aa;
}

.tnslms-status-locked {
    color: #999;
}

/* Restricted Content */
.tnslms-restricted-content {
    text-align: center;
    padding: 60px 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.tnslms-lock-icon {
    font-size: 60px;
    color: #ccc;
    margin-bottom: 20px;
}

/* Tabs */
.tnslms-tabs {
    margin: 30px 0;
}

.tnslms-tab-nav {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    border-bottom: 2px solid #eee;
}

.tnslms-tab-nav li {
    margin-right: 30px;
}

.tnslms-tab-nav a {
    display: block;
    padding: 10px 0;
    text-decoration: none;
    color: #666;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tnslms-tab-nav li.active a {
    color: #0073aa;
    border-bottom-color: #0073aa;
}

.tnslms-tab-pane {
    display: none;
    padding: 30px 0;
}

.tnslms-tab-pane.active {
    display: block;
}

/* Completion Button */
.tnslms-lesson-completion {
    text-align: center;
    margin: 30px 0;
}

.tnslms-complete-lesson {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.tnslms-complete-lesson:hover {
    background: #45a049;
}

.tnslms-completed-badge {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
}

/* My Courses */
.tnslms-my-course-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background: white;
    border: 1px solid #eee;
    margin-bottom: 15px;
    border-radius: 8px;
}

.tnslms-my-course-item .tnslms-course-thumbnail {
    width: 100px;
    height: 100px;
    margin-right: 20px;
}

.tnslms-my-course-item .tnslms-course-details {
    flex: 1;
}

.tnslms-my-course-item h3 {
    margin: 0 0 10px;
}

.tnslms-course-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

/* Cart */
.tnslms-cart-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.tnslms-cart-table th,
.tnslms-cart-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.tnslms-cart-table th {
    background: #f9f9f9;
    font-weight: 600;
}

.tnslms-cart-actions {
    text-align: right;
    margin-top: 20px;
}

/* Buttons */
.button {
    display: inline-block;
    padding: 8px 16px;
    background: #0073aa;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.button:hover {
    background: #005a87;
}

.button-primary {
    background: #0073aa;
}

.button-large {
    padding: 12px 24px;
    font-size: 16px;
}

/* Login Form */
.tnslms-login-form {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.tnslms-login-form input[type="text"],
.tnslms-login-form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.tnslms-register-link,
.tnslms-forgot-password {
    text-align: center;
    margin-top: 15px;
}

/* Responsive */
@media (max-width: 768px) {
    .tnslms-lesson-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .tnslms-my-course-item {
        flex-direction: column;
        text-align: center;
    }
    
    .tnslms-my-course-item .tnslms-course-thumbnail {
        margin: 0 0 15px;
    }
}
/* Course Featured Image */
.tnslms-course-featured-image {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.tnslms-course-featured-image img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
}

/* New Layout Styles */
.tnslms-course-header .col-md-8 h1.tnslms-course-title {
    margin: 20px 0 15px;
    font-size: 32px;
    font-weight: bold;
    color: #333;
}

.tnslms-course-price-info {
    margin: 15px 0;
    font-size: 28px;
    font-weight: bold;
}

.tnslms-course-price-info .tnslms-price-amount {
    color: #e74c3c;
}

.tnslms-course-price-info .tnslms-price-free {
    color: #27ae60;
}

/* Instructor Box */
.tnslms-course-instructor-box {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.tnslms-course-instructor-box h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 18px;
    color: #333;
    border-bottom: 2px solid #0073aa;
    padding-bottom: 10px;
}

.tnslms-instructor-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.instructor-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #0073aa;
}

.instructor-details h4 {
    margin: 0 0 5px;
    font-size: 16px;
    color: #333;
}

.instructor-details .instructor-title {
    margin: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.4;
}

/* Sidebar adjustments */
.tnslms-course-sidebar {
    position: sticky;
    top: 20px;
}

.tnslms-course-sidebar .tnslms-course-thumbnail {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .tnslms-course-header .row {
        flex-direction: column;
    }
    
    .tnslms-course-sidebar {
        position: static;
        margin-top: 20px;
    }
    
    .tnslms-instructor-info {
        flex-direction: column;
        text-align: center;
    }
}