:root {
  color-scheme: dark;
  --bg: #0a1524;
  --panel: #0f2239;
  --panel-2: #16304d;
  --border: #274869;
  --text: #e6eef8;
  --muted: #8da6bf;
  --accent: #f97316;
  --good: #22c55e;
  --bad: #ef4444;
}

* {
  box-sizing: border-box;
}

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

.shell {
  width: min(980px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.logo {
  width: 180px;
  max-width: 100%;
  color: var(--text);
  display: block;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.05;
}

h2 {
  margin-top: 24px;
  font-size: 15px;
}

.intro {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.55;
  margin: 14px 0 22px;
}

code {
  color: #ffd1b0;
  font-family: Consolas, "Liberation Mono", monospace;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

button {
  appearance: none;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 42px;
  padding: 0 18px;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.poll-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.poll-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.status-grid div {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  min-width: 0;
}

dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.device-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.summary-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.summary-title {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.summary-value {
  font-size: 24px;
  font-weight: 800;
}

.summary-value.small {
  font-size: 15px;
  line-height: 1.4;
}

.summary-meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

.empty-state {
  grid-column: 1 / -1;
  color: var(--muted);
  margin: 0;
}

#result-label.ok {
  color: var(--good);
}

#result-label.error {
  color: var(--bad);
}

pre {
  min-height: 320px;
  margin: 12px 0 0;
  padding: 16px;
  overflow: auto;
  background: #07111d;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #d9e6f2;
  font: 13px/1.5 Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
}

@media (max-width: 720px) {
  .panel {
    padding: 18px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }
}