.main-menu {
    position: relative;
    z-index: 5000;
    display: flex;
    align-items: stretch;
    min-height: 34px;
    border-bottom: 1px solid #a8b2bf;
    background: #eef2f6;
    box-shadow: 0 1px 3px rgba(15,23,42,.14);
    user-select: none;
}

.menu-group {
    position: relative;
}

.menu-trigger {
    height: 34px;
    padding: 0 14px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #1f2937;
    font: inherit;
    font-size: 13px;
    cursor: default;
}

.menu-group.open > .menu-trigger,
.menu-trigger:hover {
    background: #dbe4ee;
}

.menu-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    min-width: 210px;
    padding: 5px;
    border: 1px solid #9ca8b6;
    border-radius: 0 0 6px 6px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(15,23,42,.22);
}

.menu-group.open > .menu-dropdown {
    display: block;
}

.menu-dropdown-right {
    left: auto;
    right: 0;
}

.menu-dropdown button {
    display: block;
    width: 100%;
    padding: 7px 10px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: #111827;
    text-align: left;
    font: inherit;
    font-size: 13px;
    white-space: nowrap;
}

.menu-dropdown button:not(:disabled):hover {
    background: #e8f0f8;
}

.menu-dropdown button:disabled {
    color: #9aa3ad;
}

.menu-separator {
    height: 1px;
    margin: 5px 4px;
    background: #d6dce3;
}

.workspace.menu-debug-hidden .event-panel,
.workspace.menu-debug-hidden .debug-panel {
    display: none;
}

.workspace.menu-debug-hidden .editor-row {
    grid-template-columns: minmax(0,1fr) 390px;
}

.workspace.menu-navi-hidden #navi-preview-panel {
    display: none;
}