body {
    background-color: #0d1117;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    color: #c9d1d9;
}

.btn {
    background: #00d4ff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
    transition: 0.3s ease;
}

.btn:hover {
    background: #0099bc;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.7);
}

input:focus, select:focus {
    outline: none;
    border-color: #00d4ff !important;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
}