body {
    background-color: #f5f5f5;
    margin: 0;
    font-family: Arial, sans-serif;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    background-color: #fff;
    padding: 40px 50px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 520px;
}

.login-card h1 {
    font-size: 32px;
    font-weight: 600;
    border-left: 6px solid #007bff;
    padding-left: 18px;
    margin-bottom: 30px;
    color: #333;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 16px;
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.alert {
    margin-bottom: 20px;
    font-size: 15px;
}