body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}
.container {
    background: #fff;
    max-width: 400px;
    margin: 40px auto;
    padding: 30px 30px 20px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #333;
}
form {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
input[type="email"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}
button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background: #007bff;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}
button:hover {
    background: #0056b3;
}
.form-btn-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 8px;
}
.code-section {
    background: #272822;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    overflow-x: auto;
}
.label-secure {
    color: #28a745;
    font-weight: bold;
}
.label-vuln {
    color: #dc3545;
    font-weight: bold;
}