:root {
  --bg: #0f172a;
  --card: rgba(255, 255, 255, 0.08);
  --card2: rgba(255, 255, 255, 0.12);
  --text: #f8fafc;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.14);
  --green: #22c55e;
  --yellow: #facc15;
  --red: #ef4444;
  --blue: #38bdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 35rem),
    radial-gradient(circle at bottom right, rgba(239, 68, 68, 0.18), transparent 30rem),
    var(--bg);
}

.page {
  width: min(1150px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,0.13), rgba(255,255,255,0.05));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
}

.subtitle {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 18px 0 0;
}

.status-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  white-space: nowrap;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  display: inline-block;
}

.online { background: var(--green); box-shadow: 0 0 18px var(--green); }
.offline { background: var(--red); box-shadow: 0 0 18px var(--red); }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 22px 0;
}

.summary-card,
.room-card,
.log-section {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.22);
}

.summary-card {
  padding: 22px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.summary-card strong {
  font-size: 2rem;
}

.section-title {
  margin: 32px 0 16px;
}

.section-title h2 {
  margin: 0 0 6px;
  font-size: 1.45rem;
}

.section-title p {
  margin: 0;
  color: var(--muted);
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.room-card {
  overflow: hidden;
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.room-name {
  font-weight: 900;
  font-size: 1.25rem;
}

.badge {
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge.normal { background: rgba(34, 197, 94, 0.18); color: #86efac; }
.badge.warning { background: rgba(250, 204, 21, 0.18); color: #fde68a; }
.badge.alarm, .badge.emergency { background: rgba(239, 68, 68, 0.2); color: #fecaca; }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.metric {
  padding: 18px;
  background: rgba(15, 23, 42, 0.55);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 8px;
}

.metric strong {
  font-size: 1.4rem;
}

.room-footer {
  padding: 16px 20px;
  color: var(--muted);
  font-size: 0.88rem;
}

.log-section {
  padding: 20px;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.5;
}

.empty {
  padding: 28px;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 22px;
}

@media (max-width: 750px) {
  .hero {
    flex-direction: column;
  }

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

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