html, body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    height: 100%;
    overflow: hidden;
}

/* Main app layout */
.app-root {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: #fff;
}

.app-content {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.app-divider {
    height: 1px;
    background-color: #37474f;
    flex-shrink: 0;
}

.app-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    flex-shrink: 0;
    position: relative;
    min-height: 56px;
}

.toolbar-buttons {
    display: flex;
    gap: 8px;
}

.toolbar-btn {
    min-width: 140px !important;
    height: 48px !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
}

.toolbar-version {
    position: absolute;
    right: 16px;
    font-size: 0.75rem;
    color: #666;
}

/* Test mode: green toolbar tint */
.app-root.test-mode .app-toolbar {
    background-color: #e8f5e9;
}

.app-root.test-mode .app-divider {
    background-color: #2e7d32;
}