* {
    font-size: 16px;
    line-height: 1;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    padding: 0;
    margin: 0;
}

.container {
    margin: 0;
    padding: 0 0.5rem;
}

nav {
    background-color: #2c2c2c;
    color: white;
    padding: 2rem 1rem;
    display: block;
    width: 100%;
}
nav span {
    font-size: 2rem;
}

button {
    margin: 0;
    padding: 0.5rem;
    color: white;
    background-color: #8a8a8a;
    border: 1px solid #222;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

button:hover {
    color: #222;
    background-color: #cdcdcd;
}

.alert {
    color: white;
    margin: 1rem 0;
    padding: 1rem;
    width: auto;
}
.alert.error {
    background-color: #aa3434;
}
.alert.success {
    background-color: #34aa34;
}
.alert.info {
    background-color: #3434aa;
}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:grid;place-items:center}
.overlay[hidden]{display:none!important}
.modal{background:#fff;border-radius:.75rem;padding:1rem;box-shadow:0 10px 30px rgba(0,0,0,.2);width:min(92vw,420px)}
.modal .actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:.75rem}
.error{color:#b00020}.success{color:#066e2c}

@media (min-width: 587px) {
    .alert {
        max-width: 420px;
    }
}