:root {
  --bg: #1c1c1e;
  --panel: #2c2c2e;
  --panel-hi: #3a3a3c;
  --text: #f2f2f7;
  --muted: #98989f;
  --accent: #4a8cff;
  --danger: #ff5a52;
  --ok: #4cd964;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; text-align: center; margin: 8px 0 24px; }
h2 { color: var(--muted); font-size: 16px; font-weight: 600; margin: 24px 0 8px; }
button, input, select {
  font: inherit; color: inherit; border: 0; border-radius: 10px;
}
input, select { background: var(--panel); padding: 12px 14px; width: 100%; }
input:focus, select:focus { outline: 2px solid var(--accent); }
button { background: var(--panel-hi); padding: 10px 16px; cursor: pointer; }
button:hover { filter: brightness(1.15); }
button.primary { background: var(--accent); color: #fff; }
button.danger { background: transparent; color: var(--danger); }
button.link { background: transparent; color: var(--accent); padding: 6px 0; }
.top { display: flex; justify-content: space-between; align-items: center; }
.tabs { display: flex; gap: 4px; background: var(--panel); padding: 4px; border-radius: var(--radius); margin-bottom: 16px; }
.tabs button { flex: 1; background: transparent; }
.tabs button.on { background: var(--panel-hi); }
.row {
  display: flex; align-items: center; gap: 16px;
  background: var(--panel); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 8px;
}
.flag { width: 44px; height: 44px; border-radius: 10px; flex: none; object-fit: cover; }
.name { font-weight: 600; font-size: 18px; flex: 1; min-width: 0; }
.city { color: var(--muted); }
.row .actions { display: flex; gap: 8px; align-items: center; }
.muted { color: var(--muted); font-size: 14px; }
.card { background: var(--panel); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.grid { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.grid .full { grid-column: 1 / -1; }
.err { color: var(--danger); min-height: 1.4em; margin: 8px 0 0; }
.newkey { background: #10331b; border-radius: 10px; padding: 12px; word-break: break-all; font-family: ui-monospace, monospace; }
.login { max-width: 380px; margin: 15vh auto 0; }
.login input { margin-bottom: 12px; }
.login button { width: 100%; }
.revoked { opacity: .5; }
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .row { flex-wrap: wrap; }
}