.sentinel-locator {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #667085;
  --accent: #2563eb;
  --device: #059669;
  --error: #c0392b;
  --border: #e3e6eb;
  --code-bg: #f3f4f6;
}

.sentinel-locator * { box-sizing: border-box; }

.sentinel-locator {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.sentinel-locator .sentinel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.sentinel-locator h1 { margin: 0; font-size: 1.2rem; }

.sentinel-locator h2 { margin: 0; font-size: 1rem; }

.sentinel-locator form { display: flex; gap: 0.5rem; }

.sentinel-locator input {
  width: 18rem;
  max-width: 60vw;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}

.sentinel-locator button {
  padding: 0.45rem 0.9rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.sentinel-locator button:disabled { opacity: 0.6; cursor: default; }

.sentinel-locator .sentinel-panes {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
  min-height: 0;
}

.sentinel-locator .pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  overflow: hidden;
}

.sentinel-locator .device-pane { border-top-color: var(--device); }

.sentinel-locator button.secondary {
  margin-top: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--device);
  font-size: 0.875rem;
}

.sentinel-locator .pane-head { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }

.sentinel-locator .hint { margin: 0.25rem 0 0; font-size: 0.85rem; color: var(--muted); }

.sentinel-locator .map { flex: 1; min-height: 260px; }

.sentinel-locator .info {
  max-height: 40%;
  overflow-y: auto;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
}

.sentinel-locator .status { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.9rem; }

.sentinel-locator .status.error { color: var(--error); }

.sentinel-locator dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 0.75rem;
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
}

.sentinel-locator dt { color: var(--muted); }

.sentinel-locator dd { margin: 0; word-break: break-word; }

.sentinel-locator summary { cursor: pointer; font-size: 0.85rem; color: var(--muted); }

.sentinel-locator pre {
  margin: 0.5rem 0 0;
  padding: 0.6rem;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: pre-wrap;
  word-break: break-all;
}

.sentinel-locator .badge {
  display: inline-block;
  padding: 0 0.4rem;
  border-radius: 4px;
  font-size: 0.8rem;
  background: #eef2ff;
  color: var(--accent);
}

.sentinel-locator .badge.yes { background: #fdecea; color: var(--error); }

@media (max-width: 900px) {.sentinel-locator .sentinel-panes { grid-template-columns: 1fr; }

.sentinel-locator .pane { min-height: 70vh; }
}

.sentinel-locator .sentinel-panes { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.sentinel-locator .map { height: 320px; flex: none; }
.sentinel-locator .info { max-height: none; }
.sentinel-locator .lookup-form { flex-wrap: wrap; align-items: end; }
.sentinel-locator h3 { margin: 0; font-size: 1.1rem; }