:root {
  --bg: #0e1116;
  --panel: #161b22;
  --ink: #d4d4d4;
  --muted: #7d8590;
  --accent: #58a6ff;
  --accent2: #ff7b72;
  --good: #3fb950;
  --warn: #d29922;
  --border: #30363d;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family:
    ui-sans-serif,
    -apple-system,
    system-ui,
    'Segoe UI',
    Roboto,
    sans-serif;
  font-size: 13px;
}
.app {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  grid-template-rows: 100vh;
  gap: 0;
}
.panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
}
.panel.right {
  border-right: none;
  border-left: 1px solid var(--border);
}
.center {
  display: flex;
  flex-direction: column;
  background: #0a0d12;
}
canvas#view {
  flex: 1;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}
.toolbar {
  display: flex;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
  align-items: center;
}
h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 14px 0 6px;
}
h2:first-child {
  margin-top: 0;
}
label {
  display: block;
  margin: 6px 0 2px;
  color: var(--muted);
}
.row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.row > * {
  flex: 1;
}
input[type='number'],
input[type='text'],
select {
  background: #0d1117;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  width: 100%;
  font-family: inherit;
  font-size: 12px;
}
input[type='range'] {
  width: 100%;
}
button {
  background: #21262d;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}
button:hover {
  background: #30363d;
}
button.primary {
  background: #1f6feb;
  border-color: #1f6feb;
  color: white;
}
button.primary:hover {
  background: #2f7af0;
}
button.danger {
  background: #5a1d24;
  border-color: #6e2530;
}
button.good {
  background: #1f5e2a;
  border-color: #2a7c39;
}
.pill {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 8px;
  background: #21262d;
  color: var(--muted);
  font-size: 11px;
  font-family: ui-monospace, monospace;
}
.stat {
  display: flex;
  justify-content: space-between;
  font-family: ui-monospace, monospace;
  padding: 2px 0;
}
.stat b {
  color: var(--accent);
}
.legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}
.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}
.small {
  font-size: 11px;
  color: var(--muted);
}
.transforms {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tf {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px;
  background: #0d1117;
  font-family: ui-monospace, monospace;
  font-size: 11px;
}
.tf.frozen {
  border-color: #d29922;
  background: #1a1410;
}
.tf-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  gap: 6px;
}
.tf-head .left {
  display: flex;
  align-items: center;
  gap: 6px;
}
.tf-head .right {
  display: flex;
  align-items: center;
  gap: 4px;
}
.tf-head .badge {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  background: #21262d;
  color: var(--muted);
}
.tf-head .badge.frozen {
  background: #d29922;
  color: #1a1410;
}
.matrix-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  margin-bottom: 2px;
}
.matrix-row input {
  padding: 2px 4px;
  font-size: 11px;
  font-family: ui-monospace, monospace;
}
.tf .meta {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}
details {
  margin: 4px 0;
}
summary {
  cursor: pointer;
  color: var(--muted);
  user-select: none;
}
.checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
}
.checkbox input {
  width: auto;
  flex: 0;
}
.loss-canvas {
  width: 100%;
  height: 100px;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.kbd {
  font-family: ui-monospace, monospace;
  background: #21262d;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 10px;
}
.tf-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}
.tf-actions button {
  padding: 2px 6px;
  font-size: 10px;
  flex: 1;
}
.bulk-actions {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.bulk-actions button {
  flex: 1;
  padding: 4px 6px;
  font-size: 11px;
}