:root {
  --bg: #14171c;
  --panel: #1c2027;
  --panel-2: #232833;
  --border: #2c323d;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #4f9dff;
  --danger: #ff6b6b;
  --ok: #4fd18b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
button {
  background: var(--accent); color: #06101f; border: 0; border-radius: 6px;
  padding: 7px 12px; font-weight: 600; cursor: pointer;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button:disabled { opacity: 0.5; cursor: default; }

input, textarea, select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 9px; font: inherit; width: 100%;
}
textarea { min-height: 220px; font-family: ui-monospace, Menlo, Consolas, monospace; }

.error { color: var(--danger); }
.ok { color: var(--ok); }
.muted { color: var(--muted); }
.loading { padding: 40px; color: var(--muted); }

nav {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
nav .brand { font-weight: 700; }
nav a { color: var(--muted); padding: 4px 2px; }
nav a.active { color: var(--text); border-bottom: 2px solid var(--accent); }
nav .spacer { flex: 1; }
nav .user { color: var(--muted); }

main { padding: 18px; max-width: 1100px; margin: 0 auto; }

.login {
  max-width: 320px; margin: 12vh auto; display: flex; flex-direction: column; gap: 12px;
  background: var(--panel); padding: 26px; border-radius: 10px; border: 1px solid var(--border);
}
.login h1 { margin: 0 0 6px; font-size: 20px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); }
th { cursor: pointer; user-select: none; color: var(--muted); }
th.sorted { color: var(--text); }

.list-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.nested { margin-left: 20px; }

@media (max-width: 640px) {
  main { padding: 12px; }
  nav { gap: 10px; }
}