/* General reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-container {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-container h1 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 14px;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 4px rgba(74, 144, 226, 0.2);
}

.btn {
    display: block;
    width: 100%;
    padding: 0.8rem;
    font-size: 16px;
    text-align: center;
    color: #fff;
    background: #4a90e2;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.btn:hover {
    background: #357abd;
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-bottom: 1rem;
    text-align: center;
}