body {
    background-color: #f8f9fa;
}

textarea {
    font-family: 'Fira Code', 'Courier New', monospace;
}

header h1 {
    font-size: 1.75rem;
}

header p {
    color: #6c757d;
}

[data-tool-id] textarea {
    resize: vertical;
}

.tool-controls .form-control,
.tool-controls .form-select {
    margin-bottom: 0.75rem;
}

.btn + .btn {
    margin-left: 0.5rem;
}