:root {
    --app-switcher-bg: #2a2a2e;
    --app-switcher-hover-bg: #3a3a3e;
    --app-switcher-border: #444;
    --app-switcher-text: #eaeaea;
    --app-switcher-text-secondary: #aaa;
    --app-switcher-icon-fill: #ccc;
}

.app-switcher-button {
    /* Integrated positioning */
    width: 36px;
    height: 36px;
    margin-right: 12px;
    
    background-color: var(--app-switcher-bg);
    border: 1px solid var(--app-switcher-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: background-color 0.2s;
}

.app-switcher-button:hover {
    background-color: var(--app-switcher-hover-bg);
}

.app-switcher-button svg {
    width: 22px;
    height: 22px;
    fill: var(--app-switcher-icon-fill);
}

.app-switcher-overlay {
    position: fixed;
    top: 55px; /* Below standard header height */
    left: 10px;
    width: 300px;
    background-color: var(--app-switcher-bg);
    border: 1px solid var(--app-switcher-border);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    padding: 8px;
    display: none; /* Hidden by default */
    flex-direction: column;
    gap: 4px;
}

.app-switcher-overlay.visible {
    display: flex;
}

.app-switcher-overlay a {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--app-switcher-text);
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.app-switcher-overlay a:hover {
    background-color: var(--app-switcher-hover-bg);
}

.app-switcher-overlay a .app-name {
    font-weight: bold;
}

.app-switcher-overlay a .app-description {
    font-size: 0.85em;
    color: var(--app-switcher-text-secondary);
    margin-top: 2px;
}