:root {
  --bg: #0f1320; --card: #182033; --ink: #e7ecf5; --muted: #8b97b0;
  --accent: #4f8cff; --error: #ff6b6b; --line: #2a3450;
}
* { 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;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .7rem 1rem; background: #0b0f1a; border-bottom: 1px solid var(--line);
}
.brand { color: var(--ink); text-decoration: none; font-weight: 600; }
.logout button { background: none; border: 1px solid var(--line); }
main { max-width: 880px; margin: 1rem auto; padding: 0 1rem; }
h1 { font-size: 1.4rem; } h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
a { color: var(--accent); }
.muted { color: var(--muted); font-weight: 400; font-size: .9em; }
.error { color: var(--error); }
.busy { color: var(--accent); }
.hidden { display: none; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem; margin: 1rem 0;
}
.card.login { max-width: 360px; margin: 3rem auto; }
.login label { display: block; margin: 1rem 0 .3rem; }

input[type=text], input[type=password], select {
  background: #0d1322; color: var(--ink); border: 1px solid var(--line);
  border-radius: 6px; padding: .45rem .55rem; font: inherit;
}
input[type=text] { flex: 1; min-width: 12rem; }
button {
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: .45rem .9rem; font: inherit; cursor: pointer;
}
button:disabled { opacity: .5; cursor: default; }
button.pkt { background: #243150; }
button.danger { background: #7a2230; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin: .3rem 0; }

.console {
  background: #0a0e18; border: 1px solid var(--line); border-radius: 6px;
  padding: .6rem; margin-top: .6rem; max-height: 18rem; overflow: auto;
  white-space: pre-wrap; word-break: break-word; font-family: ui-monospace, Menlo, monospace;
  font-size: 13px; color: #c7d2e8;
}
#log.console { max-height: 24rem; }

.nodelist { list-style: none; padding: 0; }
.nodelist li { margin: .4rem 0; }
.nodelist a {
  display: flex; justify-content: space-between; padding: .7rem .9rem;
  background: #0d1322; border: 1px solid var(--line); border-radius: 8px; text-decoration: none;
}
.nodelist .label { color: var(--ink); font-weight: 600; }
.fw-source label { display: block; margin: .35rem 0; }
.erase { display: block; margin: .6rem 0; color: var(--muted); }
.packets { list-style: none; padding: 0; }
.packets li { margin: .3rem 0; display: flex; gap: .5rem; align-items: center; }