:root {
  color-scheme: dark;
  --text: #eef2f3;
  --muted: #a8b0b3;
  --line: rgba(255, 255, 255, 0.17);
  --panel: rgba(5, 7, 8, 0.62);
  --field: rgba(255, 255, 255, 0.08);
  --accent: #efc36d;
}

* {
  box-sizing: border-box;
}

html,
body,
main {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #050606;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  cursor: crosshair;
}

.panel {
  position: fixed;
  top: 16px;
  right: 16px;
  width: min(340px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  display: grid;
  gap: 14px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 64px rgba(0, 0, 0, 0.38);
}

header p,
header h1 {
  margin: 0;
}

header p {
  color: var(--muted);
  font-size: 11px;
}

header h1 {
  margin-top: 3px;
  font-size: 18px;
  font-weight: 650;
}

label,
.control {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}

select,
button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--field);
  color: var(--text);
  font: inherit;
}

button {
  padding: 0 11px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.controls {
  display: grid;
  gap: 12px;
}

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.value {
  min-width: 48px;
  color: var(--text);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

#status {
  min-height: 26px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 720px) {
  .panel {
    top: auto;
    right: 12px;
    bottom: 12px;
    left: 12px;
    width: auto;
    max-height: 48vh;
    padding: 13px;
  }
}