/* style.css */
body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(
      circle at top left,
      #222 0%,
      #050505 55%,
      #000 100%);
  color: #eee;
  display: flex;
  height: 100vh;
}
hr {
  width: 100%;
  height: 2px;
  background-color: blue;
}
#canvas-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
#gpu-canvas {
  display: block;
  width: 100vh;
  height: 100vh;
  left: 262px;
}
#ui {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(8, 8, 10, 0.88);
  padding: 10px;
  border-radius: 10px;
  z-index: 10;
  font-size: 12px;
  max-width: 360px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #f5f5f5;
}
#ui .ui-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  cursor: pointer;
}
#ui .ui-header span {
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 11px;
  color: #b0bec5;
  user-select: none;
}
#ui .ui-header button {
  background: none;
  border: none;
  color: #eee;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  user-select: none;
}
#ui.collapsed #ui-content {
  display: none;
}
#ui-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#ui .row {
  margin-bottom: 2px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
#ui .row:last-child {
  border-bottom: none;
}
#ui .row label {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}
#ui .row label.slider-row {
  display: grid;
  grid-template-columns: minmax(0, 120px) minmax(0, 1fr) 64px;
  align-items: center;
  gap: 6px;
}
#ui .row label.slider-row span {
  font-size: 11px;
  color: #cfd8dc;
}
#ui input[type=range],
#ui select {
  flex: 1 1 auto;
  min-width: 0;
}
#ui select {
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 10, 14, 0.9);
  color: #eceff1;
  font-size: 11px;
}
#ui input[type=number],
#ui input[type=text] {
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(15, 15, 20, 0.95);
  color: #eceff1;
  font-size: 11px;
}
#ui .numeric-input {
  width: 64px;
  flex: 0 0 auto;
  text-align: right;
}
#ui input[type=checkbox] {
  margin-left: 4px;
}
#ui input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: #263238;
  outline: none;
}
#ui input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #90caf9;
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(144, 202, 249, 0.35);
}
#ui input[type=range]::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #90caf9;
  cursor: pointer;
  border: none;
}
.scale-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 4px;
  margin-top: 4px;
  padding-top: 4px;
}
.scale-group label {
  font-size: 11px;
  user-select: none;
  background: rgba(18, 18, 24, 0.9);
  padding: 3px 4px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.scale-group input {
  margin-right: 4px;
}
.button-row {
  display: flex;
  gap: 6px;
  justify-content: space-between;
  padding-top: 4px;
}
.button-row button {
  flex: 1 1 0;
  padding: 4px 6px;
  border-radius: 4px;
  border: 1px solid rgba(148, 197, 255, 0.7);
  background:
    radial-gradient(
      circle at 0% 0%,
      rgba(56, 189, 248, 0.28),
      rgba(15, 23, 42, 0.95));
  color: #e0f2fe;
  font-size: 11px;
  cursor: pointer;
  text-align: center;
}
.button-row button:hover {
  border-color: rgba(191, 219, 254, 0.96);
  background:
    radial-gradient(
      circle at 0% 0%,
      rgba(59, 130, 246, 0.4),
      rgba(15, 23, 42, 0.96));
}