* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(to right, #74ebd5, #acb6e5);
}

.container {
    width: 100%;
    max-width: 500px;
}

.dialog {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 30px;
    text-align: center;
    animation: fadeIn 0.3s ease-in-out;
}

.dialog-content h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 24px;
}

.dialog-content p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.6;
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 12px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

#chua-button {
    background-color: #DC3545; /* Changed from #FF9800 (orange) to red */
}

#chua-button:hover {
    background-color: #C82333; /* Changed from #F57C00 to darker red */
}

#back-button {
    background-color: red;
    color: white; /* Optional: Change text color for better contrast */
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}