:root {
  --bg: #0e1116;
  --bg2: #151a21;
  --bg3: #1b222b;
  --line: #263040;
  --fg: #dde5ee;
  --dim: #8695a8;
  --acc: #4fd1c5;
  --acc2: #6c8cff;
  --ok: #3ecf8e;
  --warn: #e8b64c;
  --err: #ef6b6b;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
a { color: var(--acc); text-decoration: none; }
code, .mono, textarea { font-family: var(--mono); }
.dim { color: var(--dim); }
.small { font-size: 12px; }
.error { color: var(--err); min-height: 18px; font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.right { text-align: right; }

/* ---------------------------------------------------------------- login */

.login { display: grid; place-items: center; height: 100%; }
.login-card { width: 320px; display: grid; gap: 12px; }
.login-card h1 { margin: 0; font-size: 20px; }
input, select, textarea {
  background: var(--bg3); border: 1px solid var(--line); color: var(--fg);
  border-radius: 8px; padding: 8px 10px; font-size: 13px; width: 100%;
}
input:focus, textarea:focus, select:focus { outline: 1px solid var(--acc2); }
textarea { resize: vertical; min-height: 160px; line-height: 1.45; }

/* ---------------------------------------------------------------- layout */

#app { display: grid; grid-template-columns: 232px 1fr; height: 100%; }
.sidebar {
  background: var(--bg2); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 14px 10px; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; padding: 4px 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 10px var(--acc); }
.sidebar nav { display: grid; gap: 2px; }
.sidebar nav a {
  color: var(--fg); padding: 8px 10px; border-radius: 8px; display: flex; gap: 8px;
  align-items: center; justify-content: space-between; font-size: 13px;
}
.sidebar nav a:hover { background: var(--bg3); }
.sidebar nav a.active { background: var(--bg3); color: var(--acc); }
.badge {
  background: var(--bg3); border: 1px solid var(--line); border-radius: 20px;
  padding: 0 7px; font-size: 11px; color: var(--dim);
}
.sidebar-foot { margin-top: auto; display: grid; gap: 6px; padding: 8px; border-top: 1px solid var(--line); }
.sidebar-foot code { color: var(--dim); word-break: break-all; display: block; margin-bottom: 6px; }

main { overflow: auto; padding: 22px 26px 60px; }
h1 { font-size: 19px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 22px 0 8px; color: var(--fg); }
.sub { color: var(--dim); margin-bottom: 18px; font-size: 13px; }

/* ----------------------------------------------------------------- cards */

.card {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 16px;
}
.grid { display: grid; gap: 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .n { font-size: 24px; font-weight: 600; }
.stat .t { color: var(--dim); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: var(--bg3); }
td.mono, .mono { font-size: 12px; word-break: break-all; }

.btn {
  background: var(--bg3); color: var(--fg); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 12px; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--acc2); }
.btn.primary { background: var(--acc2); border-color: var(--acc2); color: #0b1020; font-weight: 600; }
.btn.danger { color: var(--err); }
.btn.tiny { padding: 3px 8px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; }

.pill {
  display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 11px;
  border: 1px solid var(--line); color: var(--dim);
}
.pill.on { color: var(--ok); border-color: #1f6b4d; }
.pill.off { color: var(--dim); }
.pill.err { color: var(--err); border-color: #6b2626; }
.pill.warn { color: var(--warn); border-color: #6b5a26; }
.pill.acc { color: var(--acc); border-color: #1f5f5b; }

pre.out {
  background: #0a0d12; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; max-height: 340px; overflow: auto; font-family: var(--mono);
  font-size: 12px; white-space: pre-wrap; word-break: break-word; margin: 6px 0 0;
}
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 4px 12px; font-size: 13px; }
.kv .k { color: var(--dim); }

.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; }
.toast {
  background: var(--bg3); border: 1px solid var(--line); border-left: 3px solid var(--acc);
  border-radius: 8px; padding: 10px 14px; font-size: 13px; max-width: 380px;
  animation: slide .18s ease-out;
}
@keyframes slide { from { transform: translateX(20px); opacity: 0; } }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 1000px) { .split { grid-template-columns: 1fr; } #app { grid-template-columns: 64px 1fr; } }