:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7eef7;
  --muted: #8b9bb0;
  --accent: #3d9cf0;
  --danger: #c23b3b;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1c3a5a, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #2a3542;
}
.brand { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.04em; }
nav button, .panel button {
  background: #243140;
  color: var(--text);
  border: 1px solid #334556;
  border-radius: 6px;
  padding: 0.45rem 0.8rem;
  margin-right: 0.4rem;
  cursor: pointer;
}
main { max-width: 720px; margin: 2rem auto; padding: 0 1rem; }
.panel {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid #2a3542;
  border-radius: 12px;
  padding: 1.5rem;
}
.hidden { display: none; }
label { display: block; margin: 0.75rem 0; color: var(--muted); }
input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid #334556;
  background: #101820;
  color: var(--text);
}
.danger { border-top: 1px solid #4a3030; margin-top: 1rem; padding-top: 1rem; }
.danger-btn { background: var(--danger) !important; border-color: #8a2f2f !important; }
.msg { color: var(--accent); min-height: 1.2rem; white-space: pre-wrap; }
.muted { color: var(--muted); }
.row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.75rem 0; }
.ghost { background: transparent !important; }
details { margin-top: 1rem; color: var(--muted); }
select {
  display: block; width: 100%; margin-top: 0.35rem; padding: 0.55rem 0.7rem;
  border-radius: 6px; border: 1px solid #334556; background: #101820; color: var(--text);
}
pre.msg { background: #101820; padding: 0.75rem; border-radius: 8px; overflow: auto; }
.tenant-bar {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: end;
  margin: 0.75rem 0 1rem; padding: 0.75rem;
  border: 1px solid #2a3542; border-radius: 8px; background: #121a22;
}
.tenant-bar label { margin: 0; flex: 1; min-width: 220px; }
.tenant-bar select { margin-top: 0.35rem; }