/* Common styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #ffeeee 25%, #dce2ff 75%);
    background-attachment: fixed;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
h1 {
    color: #333;
    margin: 20px 0;
    font-size: 24px;
    text-align: center;
}
form {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
form div {
    margin-bottom: 20px;
    width: 100%;
}
label {
    margin-bottom: 5px;
    color: #555;
    font-size: 14px;
}
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 16px;
}
button {
    padding: 12px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    font-size: 16px;
    width: 100%;
}
button:hover {
    background-color: #0056b3;
    transform: scale(1.02);
}
.error {
    color: red;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
}