:root {
  --bg: #0b1220;
  --panel: #111827;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #0ea5e9;
  --accent-2: #22c55e;
  --danger: #f87171;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: radial-gradient(1200px 600px at 10% -10%, #12253f 0%, var(--bg) 55%);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 8px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(14,165,233,.15);
  flex-shrink: 0;
}
h1 { font-size: 1.05rem; margin: 0; font-weight: 700; letter-spacing: .01em; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .78rem; }
.sub em { font-style: normal; color: #cbd5e1; }

.status {
  font-size: .75rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #0f172a;
  white-space: nowrap;
}
.status[data-state="idle"] { color: var(--muted); }
.status[data-state="connecting"] { color: #fbbf24; border-color: #854d0e; }
.status[data-state="connected"] { color: var(--accent-2); border-color: #166534; }
.status[data-state="error"] { color: var(--danger); border-color: #7f1d1d; }

.banner {
  margin: 0 16px 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #3f1d1d;
  border: 1px solid #7f1d1d;
  color: #fecaca;
  font-size: .85rem;
}

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 12px;
  padding: 8px 16px 12px;
  min-height: 0;
}

.panel {
  background: rgba(17, 24, 39, .92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field { display: flex; flex-direction: column; gap: 6px; font-size: .8rem; color: var(--muted); }
.field input {
  background: #0b1220;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
}

.row { display: flex; gap: 8px; flex-wrap: wrap; }
button {
  appearance: none;
  border: 1px solid var(--border);
  background: #1e293b;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  flex: 1 1 auto;
  min-height: 44px;
}
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: #0369a1; border-color: #0284c7; }
button.accent { background: #15803d; border-color: #16a34a; }
button.danger-ghost { background: transparent; border-color: #7f1d1d; color: #fecaca; flex: 0 1 auto; }
button:not(:disabled):active { transform: translateY(1px); }

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  font-size: .85rem;
  background: #0b1220;
  border-radius: 10px;
  padding: 10px;
  border: 1px solid var(--border);
}
.meta .k { display: block; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }

.hint { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.4; }
.limits {
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.limits summary { cursor: pointer; color: #cbd5e1; }
.limits ul { margin: 8px 0 0; padding-left: 18px; }
.limits code { font-size: .75rem; color: #e2e8f0; }

.map-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 420px;
  background: #0f172a;
}
#map { position: absolute; inset: 0; }
.map-legend {
  position: absolute;
  z-index: 500;
  left: 10px;
  bottom: 10px;
  display: flex;
  gap: 12px;
  background: rgba(15, 23, 42, .88);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .75rem;
  color: var(--muted);
}
.lg {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: -1px;
}
.lg.last { background: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,.25); }
.lg.trail { background: #38bdf8; }

.foot {
  padding: 8px 16px 14px;
  color: var(--muted);
  font-size: .75rem;
}
.foot a { color: #7dd3fc; }

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(360px, 1fr);
  }
  .map-wrap { min-height: 55vh; }
}