.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--white);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo .logo-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.sidebar-logo-text h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--primary);
}

.sidebar-logo-text p {
    font-size: 0.7rem;
    color: var(--gray);
    margin: 0;
}

.sidebar-nav {
    padding: 1.5rem;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section h4 {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
}

.nav-items {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link-dash {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--dark);
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link-dash:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-link-dash.active {
    background: var(--primary);
    color: var(--white);
}

.nav-link-dash i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    background: var(--light-gray);
    min-height: 100vh;
}

.topbar {
    background: var(--white);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-left h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.user-menu:hover {
    background: var(--primary-light);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.8rem;
    color: var(--gray);
}

.content-wrapper {
    padding: 1.5rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stats-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.card-label {
    color: var(--gray);
    margin: 0.25rem 0 0;
    font-size: 0.9rem;
}

.card-trend {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.trend-up {
    color: var(--secondary);
}

.trend-down {
    color: var(--accent);
}

.content-section {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.section-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h2 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--dark);
}

.section-content {
    padding: 1.5rem;
}

.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: var(--light-gray);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--gray);
}

.data-table tr:hover {
    background: var(--primary-light);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-completed {
    background: #d1ecf1;
    color: #0c5460;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    color: var(--dark);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary);
    color: var(--white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.course-card-dash {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

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

.course-image {
    height: 150px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 3rem;
}

.course-content {
    padding: 1.5rem;
}

.course-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.course-instructor {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.course-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    height: 6px;
    background: var(--light-gray);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

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

.lesson-icon {
    width: 40px;
    height: 40px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.lesson-info {
    flex: 1;
}

.lesson-title {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.lesson-meta {
    font-size: 0.8rem;
    color: var(--gray);
}

.lesson-status {
    font-size: 1.2rem;
}

.lesson-completed {
    color: var(--secondary);
}

.lesson-locked {
    color: var(--gray);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray);
}

.empty-icon {
    font-size: 3rem;
    color: var(--border);
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        overflow-x: hidden;
    }
    
    .sidebar-logo-text,
    .nav-section h4,
    .nav-link-dash span {
        display: none;
    }
    
    .nav-link-dash {
        justify-content: center;
        padding: 0.75rem;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .user-info {
        display: none;
    }
}