primevue-mirror/assets/styles/layout/_topbar.scss

.layout-topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: calc(100% - var(--scrollbar-width, 0px));
    z-index: 1100;
    transition: background-color .5s, border-color .5s;
    border-bottom: 1px solid transparent;

    &.layout-topbar-sticky {
        border-bottom: 1px solid var(--surface-border);
        background-color: var(--topbar-sticky-bg);
        backdrop-filter: blur(8px);
    }
}

.layout-topbar-inner {
    height: 4rem;
    padding: 0 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;

    .layout-topbar-logo-container {
        width: 250px;
        margin-right: 4rem;
    }

    .layout-topbar-logo,
    .layout-topbar-icon {
        border-radius: var(--border-radius);
        @include focus-visible();

        svg {
            width: 120px;
        }
    }

    .layout-topbar-logo {
        display: inline-flex;

        svg {
            width: 120px;
        }
    }

    .layout-topbar-icon {
        display: none;

        svg {
            width: 25px;
        }
    }
    
    .menu-button {
        display: none;
    }

    .topbar-items {
        display: flex;
        list-style-type: none;
        margin: 0;
        padding: 0;
        gap: 0.5rem;
        align-items: center;

        li {
            position: relative;
        }

        .topbar-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid var(--surface-border);
            width: 2rem;
            height: 2rem;
            transition: outline-color .2s, border-color .2s;
            border-radius: 6px;
            margin: 0;
            padding: 0;
            outline-color: transparent;
            background-color: var(--surface-0);
            cursor: pointer;

            @include focus-visible();

            &:hover {
                border-color: var(--primary-color);
            }

            i,
            span {
                color: var(--text-color);
            }
        }
        
        .version-item {
            width: auto;
            padding: 0.5rem;
        
            .version-text {
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        
            .version-icon {
                margin-inline-start: .25rem;
                color: var(--text-secondary-color);
            }
        }
        
        .versions-panel {
            padding: .25rem;
            background-color: var(--overlay-background);
            position: absolute;
            inset-inline-end: 0;
            top: calc(100% + 2px);
            border-radius: 6px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            transform-origin: top;
        
            ul {
                padding: 0;
                margin: 0;
                list-style-type: none;
                display: flex;
                flex-direction: column;
                gap: 4px;
        
                li {
                    margin: 2px;
        
                }
        
                a {
                    display: inline-flex;
                    padding: 0.5rem .75rem;
                    border-radius: 6px;
                    width: 100%;
                    overflow: hidden;
                    color: var(--text-color);
                    white-space: nowrap;
        
                    &:hover {
                        background-color: var(--hover-background);
                    }
                }
            }
        }
    }

}