:root {
  color-scheme: dark;
  --bg: #09111f;
  --bg-soft: #111b2d;
  --panel: rgba(16, 27, 44, 0.9);
  --panel-strong: #142238;
  --text: #f4f7fb;
  --muted: #9fb0c8;
  --accent: #7de2c5;
  --accent-strong: #39c9a1;
  --border: rgba(125, 226, 197, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(57, 201, 161, 0.22), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(125, 226, 197, 0.18), transparent 28%),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
  padding-right: 420px;
}

.hero-card,
.panel,
.stat-card {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.hero-card {
  border-radius: 28px;
  padding: 36px;
}

/* Ensure hero layout uses a single column and centers content */
.hero-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(125, 226, 197, 0.1);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.4rem, 6vw, 4.9rem);
  line-height: 0.96;
  max-width: 12ch;
}

.hero-card p,
.panel p,
.panel li,
.stat-card span {
  color: var(--muted);
}

.stats-grid,
.content-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
  border-radius: 22px;
  padding: 20px;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
}

.content-grid {
  grid-template-columns: 1.4fr 1fr;
}

.camera-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
  margin-top: 18px;
}

.panel {
  border-radius: 24px;
  padding: 24px;
}

.panel-accent {
  background: linear-gradient(160deg, rgba(57, 201, 161, 0.18), rgba(20, 34, 56, 0.92));
}

.panel h2 {
  margin-top: 0;
}

.panel ul {
  margin: 0;
  padding-left: 18px;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.panel-heading p {
  margin: 6px 0 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(125, 226, 197, 0.12);
  color: var(--accent);
  font-size: 12px;
  white-space: nowrap;
}

.status-pill-error {
  background: rgba(255, 115, 115, 0.12);
  color: #ff8a8a;
}

.camera-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.camera-frame {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

/* Fixed camera overlay for persistent monitoring */
.camera-panel.fixed {
  position: fixed;
  right: 24px;
  top: 120px;
  width: 380px;
  height: 280px;
  z-index: 60;
  padding: 12px;
}

.camera-panel.fixed .camera-frame {
  min-height: initial;
  height: 100%;
}

.camera-panel.fixed img,
.camera-panel.fixed video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-frame video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  background: #03050a;
}

.camera-overlay {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(4, 9, 16, 0.6);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.camera-overlay span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.camera-overlay strong {
  font-size: 1rem;
}

.camera-notes p {
  margin-bottom: 0;
}

#configModal {
  backdrop-filter: blur(4px);
}

@media (max-width: 900px) {
  .page-shell {
    padding-right: 0;
  }

  .stats-grid,
  .content-grid,
  .camera-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    padding: 28px;
  }

  .panel-heading {
    flex-direction: column;
  }

  .camera-panel.fixed {
    position: static;
    width: 100%;
    height: auto;
    z-index: auto;
    padding: 24px;
  }

  .camera-panel.fixed .camera-frame {
    min-height: 320px;
  }
}