:root {
  color-scheme: dark;
  --bg: #071018;
  --card: #0e1822;
  --line: #223444;
  --text: #e7f0ea;
  --muted: #8ea39a;
  --mint: #2ee6a6;
  --mint-dim: #14362c;
  --amber: #e6b450;
  --danger: #ff6d7d;
  --ok: #8ef0c4;
  font-family: "Segoe UI", "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 10% -10%, #12352c 0%, transparent 55%),
    linear-gradient(180deg, #08131b, var(--bg) 280px);
  color: var(--text);
}
a { color: var(--mint); }
button, input, select, textarea { font: inherit; color: inherit; }
button {
  background: var(--mint);
  color: #062117;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 650;
  cursor: pointer;
}
button:disabled { opacity: .45; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
main { width: min(980px, calc(100% - 32px)); margin: 0 auto 64px; }
.top, .lede, .rail, .card { width: min(980px, calc(100% - 32px)); margin-left: auto; margin-right: auto; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0 8px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand span, .hint, .top a { color: var(--muted); }
.brand strong { display: block; letter-spacing: .01em; }
.mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background:
    linear-gradient(140deg, transparent 42%, var(--mint) 43% 57%, transparent 58%),
    #10241e;
  border: 1px solid #1f6b52;
}
h1 { font-size: 34px; line-height: 1.15; margin: 18px 0 8px; max-width: 18ch; }
.lede p { max-width: 68ch; color: var(--muted); }
.rail { display: flex; gap: 8px; padding: 0; list-style: none; }
.rail li {
  flex: 1;
  border-top: 2px solid var(--line);
  padding-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.card {
  background: rgba(14, 24, 34, .92);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin-top: 14px;
}
.card header { display: flex; gap: 10px; align-items: baseline; }
.card header span { color: var(--mint); font-variant-numeric: tabular-nums; }
.card h2 { margin: 0; font-size: 18px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.wide { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  background: #09131b;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
}
textarea { resize: vertical; }
.row { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.check { flex-direction: row; align-items: flex-start; gap: 8px; color: var(--text); margin-top: 10px; }
.check input { margin-top: 3px; }
.hint { font-size: 13px; }
.notice, .status {
  margin-top: 12px;
  border-radius: 10px;
  padding: 12px;
  background: #101c27;
  border: 1px solid var(--line);
  white-space: pre-wrap;
}
.notice { font-family: Consolas, "Cascadia Mono", monospace; }
.hidden { display: none; }
.choices { display: grid; gap: 8px; margin-top: 12px; }
.choice, .inbound {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: #09131b;
}
.inbound { display: flex; gap: 8px; align-items: flex-start; margin-top: 6px; }
.toggles { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin-top: 8px; }
.plan { color: var(--muted); padding-left: 18px; }
.plan strong { color: var(--text); }
.log-card pre {
  min-height: 220px;
  max-height: 460px;
  overflow: auto;
  background: #061016;
  border-radius: 10px;
  padding: 12px;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 12.5px;
  line-height: 1.45;
}
.log-card .err { color: var(--danger); }
.ok { color: var(--ok); }
.warn { color: var(--amber); }
details { margin-top: 12px; color: var(--muted); }
@media (max-width: 760px) {
  .grid, .toggles { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}