@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #10151a;
  --surface: #1a2127;
  --surface-2: #212a31;
  --border: rgba(255,255,255,0.08);
  --text: #eef2f1;
  --text-dim: #8fa09c;
  --teal: #3fa796;
  --teal-dim: #2a5f57;
  --amber: #d9a441;
  --red: #c2564a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.5;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 28px 20px 60px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.station-name { font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.station-name b { color: var(--text); }

.status { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.dot.stale { background: var(--red); box-shadow: 0 0 8px var(--red); }

/* Signature LCD readout panel */
.readout {
  background: linear-gradient(180deg, #16241f, #0f1b17);
  border: 1px solid var(--teal-dim);
  border-radius: 12px;
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
  box-shadow: inset 0 0 40px rgba(63,167,150,0.08);
}
.readout-main .big {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 64px;
  color: #a8f0da;
  text-shadow: 0 0 18px rgba(63,167,150,0.45);
  letter-spacing: -0.02em;
  line-height: 1;
}
.readout-main .big small { font-size: 26px; font-weight: 500; }
.readout-main .cond { margin-top: 6px; font-size: 13px; color: #7fbfae; letter-spacing: 0.04em; text-transform: uppercase; }
.readout-side { display: flex; gap: 28px; }
.readout-side .item { text-align: right; }
.readout-side .val { font-family: 'JetBrains Mono', monospace; font-size: 20px; color: #cdece2; }
.readout-side .lbl { font-size: 11px; color: #6f948a; text-transform: uppercase; letter-spacing: 0.06em; }

.toolbar { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
button, .btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
}
button:hover { border-color: var(--teal-dim); }
button.primary { background: var(--teal-dim); border-color: var(--teal); }

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 24px;
}
.chart-card h2 { margin: 0 0 12px; font-size: 13px; font-weight: 500; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }

.groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }

.group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.group-card h3 {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.field-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.field-row:last-child { border-bottom: none; }
.field-row .flabel { color: var(--text-dim); }
.field-row .fval { font-family: 'JetBrains Mono', monospace; color: var(--text); }

.empty {
  color: var(--text-dim);
  font-size: 14px;
  padding: 40px 0;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.footer-panel {
  margin-top: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.footer-panel h2 { font-size: 13px; font-weight: 500; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 10px; }
.footer-panel code {
  display: block;
  background: var(--surface-2);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #b7d8d0;
  overflow-x: auto;
  white-space: pre;
  margin: 8px 0;
}
.footer-panel p { font-size: 13px; color: var(--text-dim); }

.relay-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.relay-row input {
  flex: 1;
  min-width: 160px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
}
.relay-list { margin-top: 12px; font-size: 13px; }
.relay-list .rl-item { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); }
.relay-list .rl-item span.name { color: var(--text); }
.relay-list .rl-item span.url { color: var(--text-dim); font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.relay-list button { padding: 4px 8px; font-size: 12px; }

@media (max-width: 640px) {
  .readout { flex-direction: column; align-items: flex-start; }
  .readout-main .big { font-size: 48px; }
}