:root {
  color-scheme: light;
  --bg: #f5efe3;
  --panel: rgba(255, 250, 242, 0.88);
  --ink: #1f1d1a;
  --muted: #665c50;
  --accent: #0d6b5f;
  --accent-2: #d96a31;
  --shadow: rgba(39, 28, 14, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 106, 49, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(13, 107, 95, 0.22), transparent 22%),
    linear-gradient(135deg, #f8f3ea 0%, #efe3cf 100%);
}

.shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.hero {
  width: min(720px, 100%);
  padding: 40px;
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 20px 60px var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  line-height: 0.95;
}

.lede {
  margin: 18px 0 0;
  max-width: 32rem;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--muted);
}

.meta {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
}

.meta dt {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.meta dd {
  margin: 6px 0 0;
  font-size: 1.05rem;
}

@media (max-width: 640px) {
  .hero {
    padding: 28px;
  }
}

.page-shell {
  min-height: 100vh;
  padding: 32px;
}

.page-panel {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 32px;
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 20px 60px var(--shadow);
}

.page-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1;
}

.page-lede {
  margin: 12px 0 0;
  max-width: 44rem;
  color: var(--muted);
  line-height: 1.6;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.device-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(31, 29, 26, 0.08);
}

.device-card__name {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.device-card__id,
.device-card__status {
  margin: 0;
  color: var(--muted);
}

.action-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.action-link--muted,
.button--secondary {
  background: rgba(31, 29, 26, 0.08);
  color: var(--ink);
}

.zone-page {
  display: grid;
  gap: 24px;
}

.zone-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.zone-editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
}

.zone-stage {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(31, 29, 26, 0.08);
}

.zone-stage__image {
  display: block;
  width: 100%;
  height: auto;
}

.zone-stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.zone-sidebar {
  display: grid;
  gap: 20px;
  align-content: start;
}

.zone-sidebar__section {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.sidebar-label {
  margin: 0 0 10px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.point-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.zone-sidebar__actions {
  display: grid;
  gap: 12px;
}

.status-text {
  margin: 0;
  color: var(--muted);
}

.status-text[data-tone="error"] {
  color: #9c2f17;
}

@media (max-width: 900px) {
  .zone-editor {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 18px;
  }

  .page-panel {
    padding: 22px;
  }

  .zone-header {
    flex-direction: column;
  }
}