:root {
    color-scheme: light;
    --bg: #f6f7f9; --card: #fff; --ink: #1d2330; --muted: #6b7385; --line: #e3e6ec;
    --accent: #1f5eff; --ok: #12805c; --warn: #b26b00; --bad: #c0362c;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

.top { display: flex; align-items: center; gap: 20px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.top nav { display: flex; gap: 14px; flex: 1; }
.top nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
.top nav a.on { color: var(--ink); border-bottom: 2px solid var(--accent); }

.page { max-width: 1000px; margin: 24px auto; padding: 0 16px; }
.narrow { max-width: 380px; margin: 80px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 18px; overflow-x: auto; }

form label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
form label.check { display: flex; gap: 8px; align-items: center; }
input[type=text], input[type=email], input[type=password], select, textarea {
    display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--ink);
    background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
}
form.inline { display: flex; gap: 8px; }
form.inline input { margin: 0; max-width: 160px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
button { font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
button.link.danger { color: var(--bad); }
details { margin-bottom: 12px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.actions { display: flex; gap: 12px; white-space: nowrap; }

.flash { background: var(--card); border-left: 4px solid var(--ok); padding: 10px 14px; margin-bottom: 18px; border-radius: 6px; }
.flash.error { border-left-color: var(--bad); }
.error-text { color: var(--bad); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; border: 1px solid currentColor; }
.pill.ok { color: var(--ok); }
.pill.warn { color: var(--warn); }
.steps { margin: 0 0 12px; padding-left: 0; list-style: none; }
.steps li { padding: 4px 0 4px 26px; position: relative; }
.steps li::before { content: "○"; position: absolute; left: 4px; color: var(--muted); }
.steps li.done::before { content: "✓"; color: var(--ok); }
.qr { background: #fff; display: inline-block; padding: 10px; border-radius: 8px; }
.codes, .secret { background: var(--bg); border: 1px solid var(--line); padding: 12px; border-radius: 6px; white-space: pre-wrap; word-break: break-all; }

@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }