:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --line: #2c3847;
  --text: #e8eef5;
  --muted: #93a4b8;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --warn: #f0b429;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1b2a3d, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
nav { display: flex; gap: 0.5rem; }
nav button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
}
nav button.active, nav button:hover {
  color: var(--text);
  border-color: var(--accent);
}
main { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}
h1, h2 { margin: 0 0 0.75rem; font-weight: 600; }
.muted { color: var(--muted); }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
input, select, textarea, button.action {
  background: #121821;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}
button.action {
  background: var(--accent);
  border-color: transparent;
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
tr:hover td { background: rgba(61, 156, 240, 0.06); }
.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: #243041;
  color: var(--muted);
  font-size: 0.75rem;
}
.badge.login { background: #1d3b2d; color: var(--ok); }
.badge.mutation { background: #3b2f14; color: var(--warn); }
a.person { color: var(--accent); cursor: pointer; text-decoration: none; }
pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #121821;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 0.8rem;
}
.error { color: #ff7b7b; }