:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --ok: #22c55e;
  --bad: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.header h1 { margin: 0; font-size: 1.35rem; }
.sub { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.9rem; }
.header-actions { display: flex; gap: 0.75rem; align-items: center; }
.header-actions a { color: var(--accent); }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
button:hover { filter: brightness(1.1); }

.auth-gate {
  max-width: 420px;
  margin: 3rem auto;
  padding: 1.5rem;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.auth-gate input {
  width: 100%;
  padding: 0.6rem;
  margin: 0.75rem 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.tabs {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.5rem 0;
  flex-wrap: wrap;
}
.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.panel { display: none; padding: 1rem 1.5rem 2rem; }
.panel.active { display: block; }

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}
.card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.card .url { font-size: 0.8rem; color: var(--accent); word-break: break-all; }
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}
.badge.online { background: rgba(34,197,94,0.2); color: var(--ok); }
.badge.offline { background: rgba(239,68,68,0.2); color: var(--bad); }
.card pre {
  font-size: 0.72rem;
  white-space: pre-wrap;
  color: var(--muted);
  max-height: 160px;
  overflow: auto;
  margin: 0;
}

.chat-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.btn-link {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
.control-frame {
  width: 100%;
  height: calc(100vh - 260px);
  min-height: 480px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #000;
}

.hint, .warn { color: var(--muted); font-size: 0.9rem; }
.warn { color: #fbbf24; }

.dl-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.code-out {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow: auto;
  max-height: 60vh;
  font-size: 0.8rem;
  direction: ltr;
  text-align: left;
}

.tools-list { line-height: 1.8; }