/* Global styling */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f7f7f7;
    line-height: 1.6;
}

h1, h2 {
    color: #333;
}

/* Center content */
.container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 20px;
    background: #4CAF50;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 15px;
}

.btn:hover {
    background: #45a049;
}

/* Form styling */
form label {
    font-weight: bold;
}

form select {
    padding: 8px;
    width: 100%;
    margin-top: 5px;
    margin-bottom: 20px;
}

/* Results boxes */
.result-box {
    padding: 15px;
    background: #e8f5e9;
    border-left: 5px solid #4CAF50;
    margin-bottom: 20px;
}

.warning-box {
    padding: 15px;
    background: #fff8e1;
    border-left: 5px solid #ff9800;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    .container {
        padding: 15px;
    }
}