/**
 * Course Hub Page Styles
 * Extracted from course_hub.html
 */

/* Hero Header with UP branding */
.hub-hero {
    background: linear-gradient(135deg, var(--up-green) 0%, var(--up-green-dark) 100%);
    margin: -32px -32px 32px -32px;
    padding: 40px 32px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hub-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(122, 30, 63, 0.3) 100%);
    pointer-events: none;
}

.hub-hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 32px;
}

.hub-hero-logos {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

.hub-hero-logos img {
    height: 72px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.hub-hero-text h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.hub-hero-text p {
    opacity: 0.9;
    font-size: 15px;
}

.hub-hero-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--up-gold);
}

/* Hub Header */
.hub-header {
    margin-bottom: 32px;
}

.hub-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.hub-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

/* Course Card */
.course-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
    text-decoration: none;
    display: block;
    position: relative;
}

.course-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--up-green);
    transform: translateY(-2px);
}

.course-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--up-green) 0%, var(--up-maroon) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.course-card:hover::after {
    opacity: 1;
}

.course-card-header {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--border-light);
}

.course-code {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    margin-bottom: 4px;
}

.course-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.course-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.course-card-footer {
    padding: 16px 24px;
    background: var(--bg-main);
    display: flex;
    align-items: center;
    gap: 24px;
}

.course-stat {
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-stat-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.course-stat-info {
    display: flex;
    flex-direction: column;
}

.course-stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.course-stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.course-card-action {
    margin-left: auto;
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

/* Coming Soon Card */
.course-card.coming-soon {
    opacity: 0.6;
    pointer-events: none;
}

.course-card.coming-soon .course-card-action {
    background: var(--text-muted);
}

.coming-soon-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

/* Quick Stats Section */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

/* Course Hub Stat Card (different from admin dashboard) */
.quick-stats .stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.quick-stats .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.quick-stats .stat-icon.modules {
    background: var(--up-green-light);
    color: var(--up-green);
}

.quick-stats .stat-icon.projects {
    background: var(--up-maroon-light);
    color: var(--up-maroon);
}

.quick-stats .stat-icon.courses {
    background: var(--up-gold-light);
    color: #92400E;
}

.quick-stats .stat-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.quick-stats .stat-content p {
    font-size: 14px;
    color: var(--text-secondary);
}