:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #1d2330;
    --muted: #5f6b7a;
    --border: #dde2e8;
    --accent: #2453d4;
    --accent-text: #ffffff;
    --danger: #b42318;
    --ok: #127a43;
    --warn-bg: #fff6e0;
    --warn-border: #f0c25a;
    --code-bg: #eef1f5;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151b;
        --surface: #1b2029;
        --text: #e6e9ee;
        --muted: #9aa5b4;
        --border: #2d3440;
        --accent: #6d8ff0;
        --accent-text: #0d1220;
        --danger: #f2877d;
        --ok: #5cc98e;
        --warn-bg: #2e2612;
        --warn-border: #8a6a1f;
        --code-bg: #232a35;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

header.top {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

header.top .brand { font-weight: 600; }
header.top nav { display: flex; gap: 16px; flex: 1; }
header.top nav a { text-decoration: none; color: var(--muted); }
header.top nav a.active { color: var(--text); font-weight: 600; }

main { max-width: 960px; margin: 0 auto; padding: 24px 16px 64px; }
main.narrow { max-width: 420px; padding-top: 72px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

label { display: block; font-weight: 600; margin: 12px 0 4px; }
label.inline { display: flex; gap: 8px; align-items: center; font-weight: 400; }

input[type=text], input[type=email], input[type=password], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

textarea { min-height: 84px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

button, .button {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--accent);
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-text);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 400; }

.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }

.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.off { color: var(--danger); border-color: var(--danger); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; background: var(--code-bg); }

.errors { color: var(--danger); margin: 8px 0 0; padding-left: 18px; }

.warn {
    background: var(--warn-bg);
    border: 1px solid var(--warn-border);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 16px;
}

code, .secret {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: var(--code-bg);
    border-radius: 4px;
    padding: 1px 5px;
}

.secret { display: block; padding: 12px; word-break: break-all; font-size: 14px; user-select: all; }

.qr svg { background: #fff; padding: 8px; border-radius: 6px; }

nav[role=navigation] { margin-top: 12px; }