:root {
  color-scheme: light dark;
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #242424;
  --muted: #616161;
  --border: #d1d1d1;
  --accent: #0f6cbd;
  --accent-hover: #115ea3;
  --danger: #c50f1f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #202020;
    --surface: #292929;
    --text: #f5f5f5;
    --muted: #c8c8c8;
    --border: #505050;
    --accent: #479ef5;
    --accent-hover: #62abf5;
    --danger: #ff99a4;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 10px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
h1 { margin: 0 0 2px; font-size: 20px; font-weight: 600; }
h2 { margin: 0; font-size: 15px; font-weight: 600; }
p { margin: 0; }
main { padding: 12px; display: grid; gap: 10px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
}
label { display: block; margin-bottom: 5px; font-weight: 600; }
.row { display: flex; gap: 6px; }
select, button {
  min-height: 32px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font: inherit;
}
select {
  flex: 1;
  min-width: 0;
  padding: 4px 7px;
  background: var(--surface);
  color: var(--text);
}
button { padding: 4px 10px; cursor: pointer; }
button:disabled { opacity: .55; cursor: default; }
.primary {
  width: 100%;
  border-color: var(--accent);
  background: var(--accent);
  color: white;
  font-weight: 600;
}
.primary:hover:not(:disabled) { background: var(--accent-hover); }
.secondary { background: var(--surface); color: var(--text); }
.muted { color: var(--muted); margin-top: 6px; font-size: 12px; }
.check {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 10px 0;
  font-weight: 400;
}
.check input { margin: 0; }
.sectionTitle { display: flex; align-items: center; justify-content: space-between; }
.linkButton {
  border: 0;
  background: transparent;
  color: var(--accent);
  min-height: auto;
  padding: 3px;
}
.routeList { margin-top: 8px; display: grid; gap: 6px; max-height: 300px; overflow: auto; }
.route {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 3px;
}
.routeSender { font-weight: 600; overflow-wrap: anywhere; }
.routeDestination { color: var(--muted); font-size: 12px; margin-top: 2px; }
.routeActions { display: flex; gap: 4px; align-items: center; }
.routeActions button { min-height: 27px; padding: 2px 7px; background: var(--surface); color: var(--text); }
.routeActions .delete { color: var(--danger); }
.status { min-height: 18px; color: var(--muted); font-size: 12px; }
.status.error { color: var(--danger); }