:root {
  color-scheme: dark;
  --bg: #090d12;
  --panel: #111821;
  --panel-soft: #151f2a;
  --ink: #e8eef2;
  --muted: #97a6b3;
  --line: rgba(159, 186, 205, 0.2);
  --accent: #6fe7c4;
  --accent-2: #ffd36a;
  --danger: #ff6b6b;
  --hot: #ff9d57;
  --idle: #5e7180;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 0;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(111, 231, 196, 0.16), transparent 26rem),
    linear-gradient(180deg, #0d131a 0%, #080b10 44%, #05070a 100%);
}

button,
strong,
small,
span {
  font: inherit;
}

button {
  min-height: 44px;
  border: 1px solid rgba(111, 231, 196, 0.42);
  border-radius: 8px;
  padding: 0.72rem 0.92rem;
  color: #07100f;
  font-weight: 700;
  background: linear-gradient(180deg, #8af6d7, #56cfae);
  box-shadow: 0 12px 28px rgba(47, 214, 173, 0.14);
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:focus-visible {
  outline: 3px solid rgba(255, 211, 106, 0.85);
  outline-offset: 3px;
}

button.secondary {
  color: var(--ink);
  border-color: rgba(159, 186, 205, 0.28);
  background: #1b2632;
  box-shadow: none;
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  padding: 26px 0 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: 0;
  word-break: keep-all;
}

h2 {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.subtitle {
  margin-bottom: 18px;
  color: var(--accent-2);
  font-size: clamp(1.05rem, 2.6vw, 1.38rem);
  font-weight: 800;
}

.lead {
  max-width: 820px;
  color: #c7d3dc;
  font-size: 1rem;
}

.notice {
  max-width: 960px;
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(255, 211, 106, 0.34);
  border-radius: 8px;
  color: #f4e8c6;
  background: rgba(255, 211, 106, 0.08);
}

.howto-panel {
  max-width: 960px;
  margin: 14px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(111, 231, 196, 0.24);
  border-radius: 8px;
  background: rgba(111, 231, 196, 0.055);
}

.howto-panel h2 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.howto-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 1.25rem;
  color: #dce7ec;
  font-size: 0.92rem;
}

.howto-list li::marker {
  color: var(--accent-2);
  font-weight: 800;
}

.meter-grid {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 14px;
}

.meter-card {
  min-width: 0;
  min-height: 116px;
  padding: 13px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(21, 31, 42, 0.96), rgba(12, 17, 24, 0.96));
  box-shadow: var(--shadow);
}

.meter-label {
  display: block;
  min-height: 2.5em;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.meter-card strong {
  display: block;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-size: clamp(1.26rem, 2.4vw, 1.76rem);
  line-height: 1.12;
}

.meter-card small {
  display: block;
  margin-top: 6px;
  color: #7e909e;
  font-size: 0.72rem;
}

.bar {
  overflow: hidden;
  height: 8px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6fe7c4, #ffd36a, #ff6b6b);
  transition: width 220ms ease;
}

.bar.trust span {
  background: linear-gradient(90deg, #ff6b6b, #ffd36a, #6fe7c4);
}

.control-panel {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.lab-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 16px;
  align-items: stretch;
}

.farm-panel,
.observer-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 18, 25, 0.93);
  box-shadow: var(--shadow);
}

.farm-panel {
  padding: 16px;
}

.panel-heading {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.panel-heading p,
.observer-copy {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.farm-mood {
  flex: 0 0 auto;
  min-width: 88px;
  padding: 6px 9px;
  border: 1px solid rgba(111, 231, 196, 0.36);
  border-radius: 999px;
  color: var(--accent);
  text-align: center;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  background: rgba(111, 231, 196, 0.08);
}

#farmSvg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 310px;
  border: 1px solid rgba(159, 186, 205, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(rgba(159, 186, 205, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 186, 205, 0.08) 1px, transparent 1px),
    #091016;
  background-size: 42px 42px;
}

.phone-node {
  cursor: pointer;
}

.phone-node:focus-visible .phone-shell {
  stroke-width: 3;
  filter: drop-shadow(0 0 8px rgba(255, 211, 106, 0.48));
}

.phone-shell {
  fill: #1f2a35;
  stroke: rgba(216, 232, 240, 0.45);
  stroke-width: 2;
}

.phone-screen {
  fill: #0b1218;
  stroke: rgba(255, 255, 255, 0.06);
}

.phone-light {
  opacity: 0.92;
}

.phone-label {
  fill: #9fb0bd;
  font-size: 9px;
  font-weight: 800;
  text-anchor: middle;
}

.state-running .phone-shell {
  stroke: var(--accent);
}

.state-running .phone-light {
  fill: var(--accent);
}

.state-hot .phone-shell {
  stroke: var(--hot);
}

.state-hot .phone-light {
  fill: var(--hot);
}

.state-broken .phone-shell {
  fill: #321f24;
  stroke: var(--danger);
}

.state-broken .phone-light,
.wrench {
  fill: var(--danger);
}

.state-stopped .phone-light {
  fill: var(--idle);
}

.observer-panel {
  padding: 16px;
}

.event-log {
  display: grid;
  gap: 9px;
  min-height: 168px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}

.event-log li {
  padding: 9px 10px;
  border: 1px solid rgba(159, 186, 205, 0.14);
  border-radius: 8px;
  color: #c8d4dc;
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.82rem;
}

.event-log li.observation-line {
  border-color: rgba(111, 231, 196, 0.3);
  color: #e7fff7;
  background: rgba(111, 231, 196, 0.08);
}

.legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.legend span {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.dot.stopped {
  background: var(--idle);
}

.dot.running {
  background: var(--accent);
}

.dot.hot {
  background: var(--hot);
}

.dot.broken {
  background: var(--danger);
}

@media (max-width: 1040px) {
  .meter-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .lab-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .hero {
    padding-top: 10px;
  }

  h1 {
    font-size: 1.72rem;
    line-height: 1.16;
  }

  .meter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-panel {
    grid-template-columns: 1fr 1fr;
  }

  .meter-card {
    min-height: 104px;
    padding: 11px 10px;
  }

  .farm-panel,
  .observer-panel {
    padding: 12px;
  }

  .panel-heading {
    display: grid;
  }

  .farm-mood {
    justify-self: start;
  }

  #farmSvg {
    min-height: 220px;
  }
}

@media (max-width: 390px) {
  .control-panel {
    grid-template-columns: 1fr;
  }

  .meter-grid {
    gap: 8px;
  }

  button {
    width: 100%;
  }
}