:root {
    --fe-gap: .75rem;
    --fe-border: 1px solid #dee2e6;
    --fe-muted: #6b7280;
    --fe-bg: #ffffff;
    --fe-panel-bg: #fafafa;
    --fe-accent: var(--primary-background-color);
    --fe-accent-2: #22c55e;
    --fe-radius: 8px;
    --fe-radius-sm: 6px;
    --fe-shadow: 0 2px 8px rgba(0,0,0,.06);
    --fe-shadow-sm: 0 1px 4px rgba(0,0,0,.05);
    --fe-badge-bg: #f8f9fa;
}

/* --- FormRenderer Fullscreen Preview Dialog --- */

.fr-fullscreen-dialog .e-dlg-content {
    overflow-y: auto;
    padding: 0 !important;
    height: calc(100vh - 50px);
    background-color: var(--fe-panel-bg);
}

/* --- Preview Dialog Header with Mode Toggle --- */

.fe-preview-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
}

.fe-preview-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.fe-preview-mode-toggle,
.fe-preview-device-toggle {
    display: flex;
    gap: 0;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    overflow: hidden;
}

.fe-preview-mode-btn {
    padding: .25rem .75rem;
    font-size: .8125rem;
    font-weight: 500;
    background: #fff;
    border: none;
    border-right: 1px solid #dee2e6;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .35rem;
    transition: background .15s, color .15s;
    line-height: 1.6;
}

.fe-preview-mode-btn:last-child {
    border-right: none;
}

.fe-preview-mode-btn:hover {
    background: #f3f4f6;
    color: #374151;
}

.fe-preview-mode-btn.active {
    background: var(--primary-background-color);
    color: #fff;
}
.fe-preview-mode-btn.active path {
    fill: #fff;
}