html, body {
    height: 100%;
    margin: 0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 350px;
    text-align: center;
}

.login-container img.logo {
    width: 90px;
    margin-bottom: 15px;
}

.login-container h2 {
    margin-bottom: 30px;
    color: #333;
}

.input-group {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 20px;
    padding: 10px;
    background: #fafafa;
}

.input-group i {
    margin-right: 10px;
    color: #888;
}

.input-group input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 16px;
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: #01587C;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
}

.login-button:hover {
    background-color: #0075a5;
}

.error-message {
    margin-top: 20px;
    color: #d8000c;
    background-color: #ffbaba;
    padding: 10px;
    border-radius: 4px;
    font-size: 14px;
}