:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #111614;
  color: #f4f7f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: #111614;
}

button,
input,
output {
  font: inherit;
}

button {
  border: 1px solid #d3dbd6;
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  color: #111614;
  background: #f4f7f5;
  cursor: pointer;
}

button:hover,
button:focus-visible {
  background: #b8f08a;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr) auto;
  gap: 1rem;
  padding: 1rem;
}

.page-title h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.2;
  font-weight: 700;
  color: #f4f7f5;
}

.page-title p {
  max-width: 82rem;
  margin: 0.45rem 0 0;
  line-height: 1.45;
  color: #d9e3dc;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
  min-height: 0;
}

.panel {
  display: grid;
  grid-template-rows: minmax(220px, 1fr) auto;
  gap: 0.45rem;
  min-width: 0;
  min-height: 0;
}

.panel canvas {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: block;
  background: #202422;
  border: 1px solid #46524b;
  border-radius: 6px;
}

.panel p {
  min-height: 1.4rem;
  margin: 0;
  text-align: center;
  color: #d9e3dc;
}

.controls {
  display: grid;
  gap: 0.75rem;
  padding-top: 0.2rem;
}

.button-row,
.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  align-items: center;
}

.checkbox-row label {
  white-space: nowrap;
}

.status-stack {
  display: grid;
  gap: 0.35rem;
}

.status-stack p {
  margin: 0;
  color: #d9e3dc;
}

.slider-grid {
  display: grid;
  grid-template-columns: minmax(8.5rem, auto) minmax(8rem, 1fr) 4rem;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.slider-grid label {
  color: #f4f7f5;
}

.slider-grid output {
  text-align: right;
  color: #b8f08a;
}

input[type="range"] {
  width: 100%;
  accent-color: #b8f08a;
}

@media (max-width: 1050px) {
  .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 0.75rem;
  }

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

  .panel:last-child {
    grid-column: auto;
  }

  .slider-grid {
    grid-template-columns: minmax(0, 1fr) 3.5rem;
  }

  .slider-grid label {
    grid-column: 1 / -1;
  }
}