:root {
  --bg: #0f1216;
  --panel: #171b21;
  --panel-2: #1e242c;
  --border: #2a323c;
  --text: #e6e9ee;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --accent-2: #3a6fd8;
  --good: #3ecf8e;
  --bad: #ff6b6b;
  --warn: #ffca57;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

header h1 { font-size: 17px; margin: 0; font-weight: 600; }

nav { margin-left: auto; display: flex; gap: 8px; }

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
}
nav a:hover { background: var(--panel-2); color: var(--text); }
nav a.active { background: var(--accent); color: #fff; }

main { max-width: 960px; margin: 0 auto; padding: 28px 24px 80px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

h2 { font-size: 15px; margin: 0 0 16px; font-weight: 600; }
h3 { font-size: 13px; margin: 0 0 6px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }

input, textarea, select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 11px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 64px; }

.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--accent-2); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { background: var(--border); }
button.danger { background: transparent; color: var(--bad); border: 1px solid var(--border); padding: 6px 10px; font-size: 13px; }
button.danger:hover { background: rgba(255,107,107,.1); }

.actions { display: flex; gap: 10px; margin-top: 18px; }

.agent {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  background: var(--panel-2);
}
.agent .top { display: flex; align-items: baseline; gap: 8px; }
.agent .name { font-weight: 600; }
.agent .badge {
  font-size: 11px; padding: 2px 7px; border-radius: 999px;
  background: rgba(79,140,255,.15); color: var(--accent);
}
.agent .badge.self { background: rgba(62,207,142,.15); color: var(--good); }
.agent .badge.inactive { background: rgba(154,164,178,.15); color: var(--muted); }
.agent .desc { color: var(--muted); font-size: 13px; margin: 6px 0; }
.agent .url { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--text); word-break: break-all; }
.agent .foot { display: flex; gap: 8px; margin-top: 10px; align-items: center; }
.agent .foot .spacer { flex: 1; }

.empty { color: var(--muted); font-size: 14px; text-align: center; padding: 24px 0; }

.status { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--good); box-shadow: 0 0 8px var(--good); }
.dot.err { background: var(--bad); }
.dot.connecting { background: var(--warn); }

.log {
  background: #0b0e12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
  color: var(--muted);
}
.log .in { color: var(--good); }
.log .out { color: var(--accent); }
.log .warn { color: var(--warn); }
.log .err { color: var(--bad); }

.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 18px; border-radius: 8px; font-size: 14px; opacity: 0;
  transition: opacity .2s; pointer-events: none;
}
.toast.show { opacity: 1; }
.toast.err { border-color: var(--bad); color: var(--bad); }