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

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
}

.login-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 300px;
}

.login-container fieldset {
    border: none;
    margin-bottom: 10px;
}

.login-container input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-container button {
    width: 100%;
    padding: 10px;
    border: none;
    background: #333;
    color: white;
    cursor: pointer;
    margin-top: 10px;
    border-radius: 4px;
}

.login-container button:hover {
    background: #555;
}

/* 🔹 Loader */
.loader {
    display: none;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid #333;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 10px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Mensaje de error */
.message {
    margin-top: 10px;
    color: red;
    display: none;
}