* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: #0d1017;
  color: #e6edf3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
  padding: 24px;
}
.shell { max-width: 1180px; margin: 0 auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid #21262d;
}
h1 { font-size: 1.7rem; letter-spacing: -0.02em; }
.subtitle { color: #8b949e; font-size: 0.92rem; margin-top: 4px; }
.badges { display: flex; gap: 10px; }
.badge {
  background: #161b22;
  border: 1px solid #30363d;
  padding: 6px 12px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  color: #89b4fa;
}
.stage-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
}
.desktop-stage {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.window-chrome {
  background: #0d1117;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #21262d;
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #f38ba8; }
.dot.amber { background: #f9e2af; }
.dot.green { background: #a6e3a1; }
.window-title { margin-left: 8px; font-size: 0.8rem; color: #8b949e; }
#pet-canvas {
  width: 100%;
  height: 420px;
  display: block;
  cursor: crosshair;
  image-rendering: pixelated;
}
.dock-bar {
  background: #0d1117;
  border-top: 1px solid #21262d;
  padding: 10px 18px;
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 0.8rem;
  color: #8b949e;
}
.dock-bar .active { color: #a6e3a1; font-weight: 600; }
.inspector { display: flex; flex-direction: column; gap: 14px; }
.card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 16px;
}
.card h2 { font-size: 0.95rem; margin-bottom: 12px; color: #c9d1d9; }
.meter-row { display: flex; justify-content: space-between; font-size: 0.82rem; margin-bottom: 5px; }
.bar { height: 8px; background: #0d1117; border-radius: 4px; overflow: hidden; margin-bottom: 12px; }
.fill { height: 100%; background: #89b4fa; transition: width 0.2s; }
.fill.mint { background: #a6e3a1; }
.fill.gold { background: #f9e2af; }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
button {
  background: #21262d;
  color: #e6edf3;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 9px 10px;
  font-size: 0.8rem;
  cursor: pointer;
}
button:hover { background: #30363d; border-color: #89b4fa; }
.hint { font-size: 0.82rem; color: #a6e3a1; font-family: ui-monospace, monospace; line-height: 1.4; }
.small { font-size: 0.78rem; color: #8b949e; margin-bottom: 8px; }
.matrix-box {
  background: #0d1117;
  padding: 8px;
  border-radius: 6px;
  font-size: 0.64rem;
  line-height: 1.15;
  color: #89b4fa;
  overflow-x: auto;
}