body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: white;
    padding: 40px 35px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 320px;
}

h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
    font-weight: 600;
}

label {
    margin-bottom: 5px;
    display: block;
    font-size: 14px;
    color: #555;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 18px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    transition: 0.2s;
}

input[type="text"]:focus, input[type="password"]:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 5px rgba(74,144,226,0.3);
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background: #4a90e2;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #3b7ac2;
}