.field { margin-bottom: 15px; }

.field textarea,
.field input[type="range"] {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

.btns {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.app {
    background: linear-gradient(135deg, #0a3d62, #07517d);
    color: #fff;
    border-radius: 4px;
    padding: 12px 20px;
    border: none;
    cursor: pointer;
}

.output-box {
    margin-top: 15px;
}

.output-box div {
    min-height: 120px;
    padding: 12px;
    font-size: 20px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: #fafafa;
    white-space: pre-wrap;
    display: flex;
    justify-content: center;
    align-items: center;
}