:root {
  --panda-black: #101512;
  --bamboo-green: #2f6b4f;
  --young-bamboo: #82b96b;
  --mist-white: #f3f7f1;
  --bamboo-gold: #d6b967;
  --moon: #edf3ec;
  --paper: #f8fbf6;
  --ink: #142019;
  --ink-soft: #5d6d63;
  --celadon: var(--bamboo-green);
  --celadon-pale: #dce9de;
  --sunlight: var(--bamboo-gold);
  --sunlight-pale: #f1ead4;
  --wire: #477763;
  --wire-pale: #deebe3;
  --line: rgba(69, 103, 82, 0.2);
  --line-strong: rgba(47, 107, 79, 0.42);
  --shadow: 0 24px 60px -22px rgba(16, 32, 24, 0.28);
  --font-display: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

html {
  background: #e8f0e8;
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 2%, rgba(130, 185, 107, 0.22), transparent 30rem),
    radial-gradient(circle at 88% 18%, rgba(214, 185, 103, 0.15), transparent 26rem),
    linear-gradient(142deg, #e8f1e8 0%, #f5f8f3 46%, #e1ece3 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 9%, rgba(47, 107, 79, 0.04) 9% 9.15%, transparent 9.15% 100%),
    linear-gradient(0deg, transparent 0 18%, rgba(47, 107, 79, 0.035) 18% 18.15%, transparent 18.15% 100%);
  background-size: 76px 76px;
  content: "";
}

.page-atmosphere {
  z-index: -1;
}

.page-atmosphere .bamboo-shade {
  border: 0;
  border-radius: 48% 52% 45% 55%;
  background:
    repeating-linear-gradient(88deg, transparent 0 42px, rgba(47, 107, 79, 0.12) 43px 50px, transparent 51px 88px),
    linear-gradient(135deg, rgba(130, 185, 107, 0.12), rgba(47, 107, 79, 0.02));
  filter: blur(1px);
  opacity: 0.72;
  animation: bambooDrift 22s ease-in-out infinite alternate;
}

.page-atmosphere .bamboo-shade-one {
  top: -24rem;
  right: -13rem;
  width: 48rem;
  height: 60rem;
  transform: rotate(-13deg);
}

.page-atmosphere .bamboo-shade-two {
  bottom: -30rem;
  left: -20rem;
  width: 52rem;
  height: 64rem;
  opacity: 0.48;
  animation-delay: -9s;
}

@keyframes bambooDrift {
  from { translate: -1.2% 0; rotate: -1deg; }
  to { translate: 1.5% 1%; rotate: 1deg; }
}

.masthead,
main,
footer {
  width: min(1480px, calc(100% - 40px));
}

.masthead {
  grid-template-columns: minmax(390px, 0.92fr) minmax(560px, 1.08fr);
  gap: 26px;
  padding-top: 28px;
}

.brand-block {
  gap: 16px;
}

.panda-mark-shell {
  display: grid;
  flex: 0 0 76px;
  width: 76px;
  height: 76px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 24px;
  background: rgba(243, 247, 241, 0.82);
  box-shadow: 0 18px 34px -18px rgba(16, 21, 18, 0.55), inset 0 0 0 1px rgba(47, 107, 79, 0.09);
  backdrop-filter: blur(18px);
}

.panda-comfort-mark {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  mix-blend-mode: multiply;
}

.eyebrow,
.section-kicker {
  color: var(--bamboo-green);
  letter-spacing: 0.15em;
}

h1 {
  margin-bottom: 7px;
  color: var(--panda-black);
  font-size: clamp(28px, 2.65vw, 44px);
  font-weight: 760;
  letter-spacing: -0.045em;
}

h1 span {
  color: var(--bamboo-green);
  font-size: 0.4em;
  letter-spacing: 0.05em;
}

.brand-note {
  color: #52645a;
  font-size: 13px;
}

.connection-bar,
.panel {
  border-color: rgba(255, 255, 255, 0.68);
  background: rgba(248, 252, 247, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.connection-bar {
  padding: 12px 14px;
  border-radius: 20px;
}

.status-pill {
  border-color: rgba(47, 107, 79, 0.16);
  background: rgba(238, 244, 237, 0.8);
}

.status-pill[data-state="connected"],
.status-pill[data-state="real"] {
  border-color: rgba(47, 107, 79, 0.38);
  background: rgba(220, 235, 222, 0.9);
}

.button,
.plain-actions button,
.segmented-control button,
.text-button,
.actuator-actions button {
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:not(:disabled):hover,
.plain-actions button:not(:disabled):hover,
.segmented-control button:not(:disabled):hover,
.actuator-actions button:not(:disabled):hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--panda-black);
  color: #fff;
  background: var(--panda-black);
  box-shadow: 0 12px 26px -16px rgba(16, 21, 18, 0.8);
}

.button-studio,
.button-secondary {
  border-color: rgba(47, 107, 79, 0.36);
  color: #234e3a;
  background: rgba(238, 246, 237, 0.9);
}

.alert-notice {
  border-left-color: var(--bamboo-green);
}

.alert-symbol,
.house-heart {
  border-color: rgba(47, 107, 79, 0.58);
  color: var(--bamboo-green);
  background: rgba(243, 248, 241, 0.9);
}

.house-shell {
  border-color: rgba(47, 107, 79, 0.34);
  background:
    linear-gradient(rgba(47, 107, 79, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 107, 79, 0.045) 1px, transparent 1px),
    rgba(247, 251, 246, 0.55);
  background-size: 34px 34px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.room,
.metric,
.device,
.threshold-card,
.fixed-rule-card,
.actuator-test-card,
.voice-action-card,
.voice-text-card,
.voice-status,
.control-group {
  border-color: rgba(47, 107, 79, 0.18);
  background: rgba(250, 252, 248, 0.74);
  box-shadow: 0 18px 34px -28px rgba(16, 32, 24, 0.44);
  backdrop-filter: blur(12px);
}

.room::after,
.device::after,
.threshold-card::after {
  background: var(--young-bamboo);
}

.room-icon,
.device-icon,
.voice-orb {
  color: var(--bamboo-green);
  background: rgba(220, 234, 219, 0.85);
}

.airflow-path {
  stroke: rgba(47, 107, 79, 0.28);
}

.season-card {
  overflow: hidden;
  color: #f4f7f1;
  border-color: rgba(47, 107, 79, 0.34);
  background:
    radial-gradient(circle at 94% 12%, rgba(130, 185, 107, 0.25), transparent 15rem),
    linear-gradient(145deg, #142c22, #1e4936 62%, #173a2c);
}

.season-card .section-kicker,
.season-card .season-copy,
.season-card small {
  color: rgba(238, 246, 237, 0.74);
}

.season-card .season-name,
.season-card strong {
  color: #fff;
}

.season-name {
  border-color: rgba(214, 185, 103, 0.5);
  color: var(--bamboo-gold);
}

.metric-code,
code,
.frame-time,
.run-log time {
  font-family: Cascadia Mono, Consolas, var(--font-data);
}

.mode-badge,
.truth-note,
.voice-support {
  border-color: rgba(47, 107, 79, 0.3);
  color: var(--bamboo-green);
  background: rgba(226, 238, 226, 0.84);
}

.threshold-card-safety,
.voice-safety-note,
.control-lock {
  border-color: rgba(214, 185, 103, 0.4);
  background: rgba(246, 239, 216, 0.72);
}

.run-log li {
  border-color: rgba(47, 107, 79, 0.14);
}

footer {
  color: #617168;
}

@media (max-width: 980px) {
  .masthead {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

@media (max-width: 620px) {
  .masthead,
  main,
  footer {
    width: min(100% - 22px, 1480px);
  }

  .masthead {
    padding-top: 15px;
  }

  .panda-mark-shell {
    flex-basis: 60px;
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }

  h1 {
    font-size: clamp(24px, 8vw, 32px);
  }

  .connection-bar {
    padding: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-atmosphere .bamboo-shade {
    animation: none;
  }

  .button,
  .plain-actions button,
  .segmented-control button,
  .actuator-actions button {
    transition: none;
  }
}