/* Global Styles, perimeters and contest */
html {
    box-sizing: border-box;
    font-size: 16px;
}
*, *:before, *:after {
    box-sizing: inherit;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
    color: #222;
    min-height: 100vh;
}

a {
    color: #0078d7;
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: #0047a3;
    text-decoration: underline;
}

.container {
    max-width: 500px;
    margin: 80px auto;
    background: #fff;
    padding: 32px 24px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 90%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

button {
    padding: 10px 24px;
    font-size: 16px;
    background: #0078d7;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 16px;
    transition: background 0.2s;
}
button:hover {
    background: #005fa3;
}

#message {
    margin-top: 24px;
    font-size: 18px;
    color: #0078d7;
}

/* Responsive Design, input and buttons  */
@media (max-width: 600px) {
    .container {
        max-width: 98vw;
        margin: 24px auto;
        padding: 16px 4vw;
    }
    h1 {
        font-size: 1.5rem;
    }
    button {
        width: 100%;
        font-size: 1rem;
    }
    input[type="text"],
    input[type="email"],
    input[type="password"] {
        font-size: 1rem;
        width: 100%;
    }
}
