body {
    font-family: Arial, sans-serif;
    background-color: #2b2b2b;
    color: white;
    text-align: center;
    margin: 0;
    padding: 0;
}

.container {
    width: 50%;
    margin: 100px auto;
    background-color: #3a3a3a;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

h1 {
    color: #f1c40f;
}

p {
    font-size: 18px;
}

textarea {
    width: 90%;
    height: 100px;
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: none;
    outline: none;
    background-color: #222;
    color: white;
}

button {
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 18px;
    border: none;
    border-radius: 5px;
    background-color: #f39c12;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #e67e22;
}

#result {
    margin-top: 20px;
    font-size: 20px;
    font-weight: bold;
    padding: 10px;
    border-radius: 5px;
}

.hidden {
    display: none;
}

.safe {
    background-color: #2ecc71;
    color: white;
}

.toxic {
    background-color: #e74c3c;
    color: white;
}

.loading {
    background-color: #3498db;
    color: white;
}