.panel-input {
    background-color: #fff3e0;
}

.result-compatible {
    background-color: #4caf50;
    color: white;
}

.result-incompatible {
    background-color: #f44336;
    color: white;
}

.header-gradient {
    background: linear-gradient(135deg, #ff9800 0%, #ff5722 100%);
}