/**
 * 学习仪表板组件样式
 */

.learning-dashboard {
    width: 100%;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.dashboard-header h3 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--ls-text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-header h3 i {
    color: var(--ls-primary);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--ls-bg-secondary);
    border-radius: var(--ls-radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--ls-transition);
    border: 1px solid var(--ls-border-color);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ls-shadow-lg);
    border-color: var(--ls-primary);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--ls-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--ls-text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

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

.dashboard-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.dashboard-section {
    background: var(--ls-bg-secondary);
    border-radius: var(--ls-radius-lg);
    padding: 24px;
    border: 1px solid var(--ls-border-color);
}

.dashboard-section h4 {
    margin: 0 0 20px 0;
    font-size: 1.2rem;
    color: var(--ls-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.distribution-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.distribution-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.distribution-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--ls-text-primary);
}

.distribution-value {
    font-weight: 600;
    color: var(--ls-text-secondary);
}

.distribution-bar {
    height: 8px;
    background: var(--ls-bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.distribution-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.weak-points-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.weak-point-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--ls-bg-primary);
    border-radius: var(--ls-radius-md);
    border-left: 3px solid var(--ls-danger);
}

.weak-point-rank {
    width: 30px;
    height: 30px;
    background: var(--ls-danger);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

.weak-point-info {
    flex: 1;
}

.weak-point-info strong {
    display: block;
    margin-bottom: 8px;
    color: var(--ls-text-primary);
}

.weak-point-mastery {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mastery-bar {
    flex: 1;
    height: 6px;
    background: var(--ls-bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.mastery-fill {
    height: 100%;
    background: var(--ls-danger);
    transition: width 0.3s ease;
}

.mastery-value {
    font-size: 0.85rem;
    color: var(--ls-text-secondary);
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommendation-item {
    display: flex;
    align-items: start;
    gap: 12px;
    padding: 12px;
    background: var(--ls-bg-primary);
    border-radius: var(--ls-radius-md);
    border-left: 3px solid var(--ls-primary);
    font-size: 0.95rem;
    color: var(--ls-text-primary);
    line-height: 1.6;
}

.recommendation-item i {
    color: var(--ls-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.recommendation-item.priority-high {
    border-left-color: var(--ls-danger);
}

.recommendation-item.priority-high i {
    color: var(--ls-danger);
}

.recommendation-item.priority-medium {
    border-left-color: var(--ls-accent);
}

.recommendation-item.priority-medium i {
    color: var(--ls-accent);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .dashboard-content {
        grid-template-columns: 1fr;
    }
}