:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #101318;
  color: #e7edf4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
}

.app {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(0, 2fr) minmax(180px, 260px);
  width: 100vw;
  height: 100vh;
  min-height: 0;
}

.editor-pane {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  gap: 12px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 16px;
  border-right: 1px solid #2b3542;
  background: #151a21;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 650;
}

p {
  margin: 0;
  color: #8fa1b4;
  font-size: 13px;
}

.file-toolbar {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.file-toolbar button,
.file-toolbar select {
  padding: 4px 9px;
  border: 1px solid #344252;
  border-radius: 4px;
  background: #10151d;
  color: #c8d8e8;
  font: 12px/1.4 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  cursor: pointer;
}

.file-toolbar button:hover {
  background: #1a2030;
  border-color: #4a6070;
}

.file-toolbar select {
  flex: 1;
  min-width: 0;
  color: #6f8296;
}

.recent-group {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 3px 5px;
  border: 1px solid #2b3542;
  border-radius: 6px;
  background: #0d1118;
}

.recent-group select {
  min-width: 130px;
}

.cheatsheet {
  border: 1px solid #344252;
  border-radius: 8px;
  background: #10151d;
  color: #b9c8d8;
  font-size: 13px;
}

.cheatsheet summary {
  cursor: pointer;
  padding: 8px 10px;
  color: #d7e6f4;
  user-select: none;
}

.cheatsheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 6px 10px;
  padding: 0 10px 10px;
}

.cheatsheet code {
  color: #7fdcff;
  font: 12px/1.35 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

#source {
  display: flex;
  min-height: 0;
  overflow: hidden;
  border: 1px solid #344252;
  border-radius: 8px;
}

#source:focus-within {
  border-color: #7fdcff;
}

#source .cm-editor {
  flex: 1;
  height: 100%;
  min-height: 0;
  background: #0c1016;
}

#source .cm-scroller {
  font: 14px/1.45 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow: auto !important;
  overscroll-behavior: contain;
}

#source .cm-content {
  min-height: 100%;
}

.error {
  min-height: 44px;
  max-height: 128px;
  margin: 0;
  overflow: auto;
  color: #ff9580;
  white-space: pre-wrap;
  font: 13px/1.4 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.error:empty::before {
  color: #6f8296;
  content: "No parse errors";
}

.view-pane {
  position: relative;
  min-width: 0;
  background: radial-gradient(circle at 50% 40%, #202936 0%, #0d1118 70%);
}

#view {
  display: block;
  width: 100%;
  height: 100%;
}

.view-controls {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #344252;
  border-radius: 6px;
  background: rgb(13 17 24 / 82%);
  color: #c8d8e8;
  font: 12px/1.4 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.view-controls select {
  border: 1px solid #344252;
  border-radius: 4px;
  background: #10151d;
  color: #e7edf4;
  font: inherit;
}

.camera-readout {
  position: absolute;
  left: 12px;
  bottom: 12px;
  min-width: 160px;
  padding: 8px 10px;
  border: 1px solid #344252;
  border-radius: 6px;
  background: rgb(13 17 24 / 82%);
  color: #c8d8e8;
  font: 12px/1.4 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  white-space: pre;
  pointer-events: none;
}


.params-pane {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  border-left: 1px solid #2b3542;
  background: #151a21;
  overflow-y: auto;
}

.params-header {
  padding: 14px 14px 8px;
  font-size: 12px;
  font-weight: 600;
  color: #8fa1b4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid #2b3542;
}

.params-list {
  display: flex;
  flex-direction: column;
  padding: 10px 0;
}

.params-empty {
  padding: 12px 14px;
  color: #6f8296;
  font-size: 13px;
  font-style: italic;
}

.param-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 14px;
}

.param-item:hover {
  background: #1a2030;
}

.param-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.param-name {
  font-size: 12px;
  color: #c8d8e8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.param-value {
  font-size: 11px;
  color: #6f8296;
  font-variant-numeric: tabular-nums;
  min-width: 38px;
  text-align: right;
  flex-shrink: 0;
}

input[type="range"].param-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: #2b3542;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

input[type="range"].param-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #7fdcff;
  cursor: pointer;
}

input[type="range"].param-slider::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #7fdcff;
  border: none;
  cursor: pointer;
}

input[type="range"].param-slider:focus {
  outline: none;
}

input[type="range"].param-slider:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgb(127 220 255 / 30%);
}