/**
 * 顶栏组件样式
 */

.header {
    height: var(--header-height);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.toggle-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.breadcrumb span:last-child {
    color: var(--color-text-primary);
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-info:hover {
    background: var(--color-bg-secondary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-weight: 600;
    font-size: 0.85rem;
}

.user-name {
    font-size: 0.9rem;
    color: var(--color-text-primary);
}