/* Basisstijl van het portaal. Geen externe bronnen (zie Content-Security-Policy). */
:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --text: #1d2330;
    --muted: #5b6475;
    --primary: #1f5eff;
    --danger: #b42318;
    --border: #d8dce4;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151c;
        --surface: #1b2029;
        --text: #e8ebf2;
        --muted: #9aa3b5;
        --primary: #6b92ff;
        --danger: #ff8a80;
        --border: #313846;
        color-scheme: dark;
    }
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.topbar {
    display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; justify-content: space-between;
    padding: .75rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
a { color: var(--primary); }
main { max-width: 64rem; margin: 0 auto; padding: 1.5rem 1rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: .75rem; padding: 1.5rem; margin-bottom: 1rem; }
.card.narrow { max-width: 28rem; margin-inline: auto; }
h1 { margin-top: 0; font-size: 1.5rem; }
label { display: block; margin: 1rem 0 .25rem; font-weight: 600; }
label.checkbox { font-weight: 400; display: flex; gap: .5rem; align-items: flex-start; }
input[type=text], input[type=email], input[type=password] {
    width: 100%; padding: .65rem .75rem; font: inherit; color: inherit;
    background: var(--bg); border: 1px solid var(--border); border-radius: .5rem;
}
button {
    margin-top: 1.25rem; padding: .65rem 1.1rem; font: inherit; font-weight: 600; cursor: pointer;
    color: #fff; background: var(--primary); border: 0; border-radius: .5rem;
}
button.secondary { margin: 0; color: var(--text); background: transparent; border: 1px solid var(--border); }
button.link { margin: 0; padding: 0; color: var(--primary); background: none; font-weight: 400; }
form.inline { display: inline; margin: 0; }
.alert { padding: .75rem 1rem; border-radius: .5rem; border: 1px solid var(--border); background: var(--surface); }
.alert.error { border-color: var(--danger); color: var(--danger); }
.alert.success { border-color: #1a7f4b; }
.field-error { color: var(--danger); margin: .25rem 0 0; }
.muted { color: var(--muted); font-size: .9rem; }
.secret code { font-size: 1.25rem; letter-spacing: .08em; word-break: break-all; }
code.wrap { word-break: break-all; }
/* QR-code: altijd zwart op wit (ook in donkere modus), anders scant de app hem niet. */
.qr-wrap { display: flex; justify-content: center; margin: 1rem 0; }
.qr { width: 100%; max-width: 16rem; height: auto; border-radius: .25rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }