/* Dashboard specific styles */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 12px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
}

.chart-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-card canvas {
    max-height: 300px;
}

.section-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.section-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.topics-list,
.reviews-list,
.sessions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.topic-item,
.review-item {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.topic-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.topic-mastery {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mastery-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.mastery-fill {
    height: 100%;
    background: linear-gradient(90deg, #007bff, #0056b3);
    transition: width 0.3s;
}

.mastery-percent {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 50px;
    text-align: right;
}

.review-topic {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.review-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

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

    .charts-grid {
        grid-template-columns: 1fr;
    }
}