:root {
    --blu-profondo: #081f38;
    --blu: #123d6b;
    --avorio: #f8f3e8;
    --oro: #d7c45a;
    --bordeaux: #5a1e24;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: radial-gradient(circle at top, var(--blu), var(--blu-profondo));
    font-family: Arial, Helvetica, sans-serif;
}

.login-card {
    width: min(430px, 100%);
    padding: 30px;
    border: 3px solid var(--oro);
    border-radius: 12px;
    background: var(--avorio);
    box-shadow: 0 12px 35px rgba(0, 0, 0, .45);
}

.login-card h1 {
    margin: 0 0 8px;
    color: var(--bordeaux);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 27px;
    text-align: center;
}

.login-card p { color: #454545; line-height: 1.45; }
.login-card label { display: block; margin: 16px 0 6px; color: #222; font-weight: 700; }
.login-card input { width: 100%; padding: 11px; border: 1px solid #999; border-radius: 5px; font: inherit; }
.login-card button { width: 100%; margin-top: 20px; padding: 12px; border: 0; border-radius: 5px; background: var(--bordeaux); color: #fff; font-weight: 700; cursor: pointer; }
.login-card button:hover { background: #762b34; }
.login-links { margin-top: 20px; text-align: center; }
.login-links a { color: #14355f; }
.message { padding: 10px 12px; border-radius: 5px; background: #e8eef5; color: #10213d; }
.message.error { background: #f4dede; color: #741d24; }