body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.sintoma-item {
    padding: 8px;
    border: 1px solid #eee;
    margin-bottom: 5px;
    border-radius: 4px;
}

.result-box {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}

.stats {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.stat-box {
    flex: 1;
    background: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background: #007bff;
    color: white;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}