/**
 * TruyenNghe LMS Theme-specific Styles
 */

/* ========================================
   LMS COURSE STYLES
   ======================================== */

/* Course Grid Layout */
.tnlms-courses {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.tnlms-columns-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.tnlms-columns-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.tnlms-columns-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Course Card */
.tnlms-course-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.tnlms-course-item:hover {
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.15);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.tnlms-course-thumbnail {
    position: relative;
    overflow: hidden;
}

.tnlms-course-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.tnlms-course-item:hover .tnlms-course-thumbnail img {
    transform: scale(1.05);
}

.tnlms-course-content {
    padding: 1.5rem;
}

.tnlms-course-content h3 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--gray-900);
}

.tnlms-course-content h3 a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

.tnlms-course-content h3 a:hover {
    color: var(--primary);
}

.tnlms-course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.tnlms-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.tnlms-rating .rating-value {
    color: var(--accent);
    font-weight: 600;
}

.tnlms-course-excerpt {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tnlms-course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.tnlms-price {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary);
}

/* ========================================
   BUTTONS - ORANGE THEME
   ======================================== */

.tnlms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--primary);
    color: var(--white) !important;
}

.tnlms-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.tnlms-btn:active {
    transform: translateY(0);
}

.tnlms-btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.tnlms-btn-enroll {
    background: linear-gradient(135deg, var(--accent), var(--orange));
}

.tnlms-btn-enroll:hover {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.tnlms-btn-enrolled {
    background: var(--green);
    cursor: not-allowed;
}

.tnlms-btn-purchase {
    background: linear-gradient(135deg, var(--red-orange), var(--primary));
}

.tnlms-btn-purchase:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

/* ========================================
   DASHBOARD STYLES
   ======================================== */

.tnlms-dashboard {
    margin: 2rem 0;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: 12px;
}

.tnlms-dashboard h2 {
    color: var(--gray-900);
    margin-bottom: 2rem;
    font-family: var(--font-display);
}

.tnlms-dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tnlms-dashboard-stats .stat {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.tnlms-dashboard-stats .stat:hover {
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
    border-color: var(--primary-light);
}

.tnlms-dashboard-stats .stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tnlms-dashboard-stats .stat p {
    margin: 0;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   PROGRESS BARS
   ======================================== */

.tnlms-progress-bar,
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.75rem 0;
}

.tnlms-progress-fill,
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--orange));
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.tnlms-progress-fill::after,
.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-20px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(0); opacity: 0; }
}

.tnlms-progress-text,
.progress-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ========================================
   COURSE PROGRESS ITEMS
   ======================================== */

.tnlms-course-progress-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.tnlms-course-progress-item:hover {
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.1);
    border-color: var(--primary-light);
}

.tnlms-course-progress-item h4 {
    margin: 0 0 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.tnlms-course-progress-item h4 a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

.tnlms-course-progress-item h4 a:hover {
    color: var(--primary);
}

/* ========================================
   ENROLLED COURSES
   ======================================== */

.tnlms-enrolled-courses {
    display: grid;
    gap: 1.5rem;
}

.tnlms-enrolled-course {
    display: flex;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tnlms-enrolled-course:hover {
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.15);
    border-color: var(--primary-light);
}

.tnlms-enrolled-course .course-thumbnail {
    width: 200px;
    flex-shrink: 0;
    overflow: hidden;
}

.tnlms-enrolled-course .course-thumbnail img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.tnlms-enrolled-course:hover .course-thumbnail img {
    transform: scale(1.05);
}

.tnlms-enrolled-course .course-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tnlms-enrolled-course .course-info h3 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.tnlms-enrolled-course .course-info h3 a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

.tnlms-enrolled-course .course-info h3 a:hover {
    color: var(--primary);
}

.course-progress {
    margin: 1rem 0;
    flex-grow: 1;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .tnlms-dashboard {
        padding: 1rem;
    }
    
    .tnlms-dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .tnlms-enrolled-course {
        flex-direction: column;
    }
    
    .tnlms-enrolled-course .course-thumbnail {
        width: 100%;
    }
    
    .tnlms-course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .tnlms-course-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .tnlms-btn {
        width: 100%;
    }
}

/* ========================================
   LMS MESSAGES
   ======================================== */

.tnlms-message {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    z-index: 9999;
    max-width: 350px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideInRight 0.3s ease;
}

.tnlms-message-success {
    background: var(--green);
    color: var(--white);
}

.tnlms-message-error {
    background: var(--primary);
    color: var(--white);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   INTEGRATION WITH THEME
   ======================================== */

/* Ensure LMS content fits with theme spacing */
.content-wrapper .tnlms-courses,
.content-wrapper .tnlms-dashboard,
.content-wrapper .tnlms-enrolled-courses {
    margin-top: 0;
}

/* Theme-specific overrides */
.single-tnlms_course .hero-section {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

.archive-tnlms_course .hero-section {
    background: linear-gradient(135deg, var(--accent), var(--orange));
}

/* Course category badges */
.tnlms-category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin: 0.25rem 0.25rem 0.25rem 0;
}

.tnlms-category-badge:hover {
    background: var(--primary);
    color: var(--white);
}