/**
 * BintaCura Academy - Course Detail Page Styles
 * ==============================================
 */

/* Course Hero Section */
.course-hero {
    background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    padding: 48px 0;
    color: var(--text-inverse);
}

.course-hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
}

.course-hero-content {
    display: flex;
    flex-direction: column;
}

.course-breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 14px;
    margin-bottom: 16px;
    opacity: 0.8;
}

.course-breadcrumb a {
    color: var(--text-inverse);
    text-decoration: none;
}

.course-breadcrumb a:hover {
    text-decoration: underline;
}

.course-hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.course-hero-description {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 24px;
    line-height: 1.7;
}

.course-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 24px;
}

.course-hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.course-hero-meta-item i {
    opacity: 0.7;
}

.course-badges {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.course-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.badge-level {
    background: rgba(255,255,255,0.2);
}

.badge-free {
    background: var(--success);
}

.badge-cme {
    background: var(--warning);
    color: #1F2937;
}

/* Enrollment Card */
.enrollment-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.enrollment-thumbnail {
    height: 180px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: 64px;
}

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

.enrollment-body {
    padding: 24px;
}

.enrollment-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
}

.enrollment-price span {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
}

.enrollment-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.enrollment-btn-primary {
    background: var(--primary);
    color: var(--text-inverse);
}

.enrollment-btn-primary:hover {
    background: var(--primary-dark);
}

.enrollment-btn-enrolled {
    background: var(--success);
    color: var(--text-inverse);
}

.enrollment-features {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.enrollment-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.enrollment-feature i {
    color: var(--success);
}

/* Course Content */
.course-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 24px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
}

.course-main {
    min-width: 0;
}

.content-section {
    margin-bottom: 48px;
}

.content-section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-section-title i {
    color: var(--primary);
}

/* Curriculum */
.curriculum-module {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.module-header {
    padding: 16px 20px;
    background: var(--bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.module-header:hover {
    background: #F3F4F6;
}

.module-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.module-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.module-lessons {
    display: none;
    border-top: 1px solid var(--border);
}

.module-lessons.open {
    display: block;
}

.lesson-item {
    padding: 14px 20px 14px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.lesson-item:last-child {
    border-bottom: none;
}

.lesson-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.lesson-title i {
    color: var(--text-secondary);
    width: 20px;
}

.lesson-duration {
    font-size: 13px;
    color: var(--text-secondary);
}

.lesson-preview {
    font-size: 12px;
    color: var(--primary);
    text-decoration: none;
}

/* Instructor */
.instructor-card {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.instructor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.instructor-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-name {
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 4px;
}

.instructor-title {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.instructor-bio {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Reviews */
.review-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.review-item:last-child {
    border-bottom: none;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.review-author {
    font-weight: 500;
}

.review-rating {
    color: #F59E0B;
}

.review-text {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Related Courses */
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.related-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.related-card:hover {
    border-color: var(--primary);
}

.related-title {
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 8px;
}

.related-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .course-hero-container,
    .course-content {
        grid-template-columns: 1fr;
    }

    .enrollment-card {
        position: static;
    }

    .course-hero-title {
        font-size: 28px;
    }

    .instructor-card {
        flex-direction: column;
        text-align: center;
    }

    .instructor-avatar {
        margin: 0 auto;
    }
}