* {
    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;
}

.login-container {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 400px;
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 30px;
    font-size: 24px;
}

.login-form {
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-size: 16px;
    font-weight: normal;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    background-color: #f8f8f8;
}

.form-control::placeholder {
    color: #999;
}

.form-control:focus {
    outline: none;
    border-color: #ccc;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background-color: #e6e6e6;
    color: #333;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.login-btn:hover {
    background-color: #d9d9d9;
}

.error-message {
    color: #f44336;
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
}