:root {
  color-scheme: dark;
  --bg: #15171a;
  --panel: #1c1e22;
  --border: #2c3036;
  --text: #dfe2e6;
  --muted: #9aa0a8;
  --accent: #f0b429;
  --accent2: #3b8ce6;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); }
#app { display: flex; height: 100vh; }
#sidebar {
  width: 420px; flex: none; overflow-y: auto; padding: 12px 14px; background: var(--panel);
  border-right: 1px solid var(--border);
}
#main { flex: 1; display: flex; flex-direction: column; min-width: 0; padding: 8px; gap: 6px; }
h1 { font-size: 17px; margin: 0 0 4px; }
.sub { color: var(--muted); margin: 0 0 8px; line-height: 1.35; }
a { color: var(--accent2); }
details { border-top: 1px solid var(--border); padding: 4px 0; }
details summary { cursor: pointer; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); padding: 4px 0; }
.field { display: grid; grid-template-columns: 1fr 92px 46px; align-items: center; gap: 6px; margin: 3px 0; }
.field label { color: var(--text); }
.field .unit { color: var(--muted); font-size: 11px; }
input[type=number], select, textarea {
  width: 100%; background: #0f1113; color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 3px 5px; font: inherit;
}
input[type=number]:disabled, textarea:disabled { color: var(--muted); }
button {
  background: #2a2e34; color: var(--text); border: 1px solid #3a3f47; border-radius: 5px; padding: 5px 10px; font: inherit; cursor: pointer;
}
button:hover { background: #343941; }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: var(--accent); color: #1a1500; border-color: var(--accent); font-weight: 600; }
button.primary:hover { background: #f8c453; }
#controls { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; border-top: 1px solid var(--border); padding-top: 8px; }
#info { margin-top: 10px; border-top: 1px solid var(--border); padding-top: 8px; }
.row { display: flex; justify-content: space-between; gap: 8px; padding: 1px 0; }
.row span:last-child { font-variant-numeric: tabular-nums; color: var(--text); text-align: right; }
.row span:first-child { color: var(--muted); flex: none; }
.warn { color: var(--accent); }
.err { color: #ff6b6b; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 4px 6px; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; }
.toolbar label { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); }
.toolbar input[type=number], .toolbar select { width: 82px; }
.toolbar select { width: auto; }
.toolbar input[type=range] { flex: 1; min-width: 120px; }
.toolbar .time { font-variant-numeric: tabular-nums; min-width: 72px; }
#viewWrap { position: relative; flex: 3; min-height: 200px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
#view { width: 100%; height: 100%; display: block; touch-action: none; }
#spec { flex: 2; min-height: 140px; width: 100%; border: 1px solid var(--border); border-radius: 6px; }
#nogpu[hidden] { display: none; }
#nogpu { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center; color: #ff8a8a; background: var(--bg); }
.seg button.on { background: var(--accent2); border-color: var(--accent2); color: white; }
button.on { background: var(--accent2); border-color: var(--accent2); color: white; }
.editor-head { display: flex; align-items: center; gap: 6px; margin: 4px 0 6px; }
.editor-head label { color: var(--muted); flex: none; }
.editor-head select { flex: 1; }
textarea.script {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; line-height: 1.4;
  min-height: 280px; height: 340px; resize: vertical; white-space: pre; overflow: auto; tab-size: 2;
}
.editor-status { margin: 6px 0 4px; min-height: 1.2em; white-space: pre-wrap; }
.editor-summary { margin-bottom: 6px; }
.editor-summary .warn { margin-top: 4px; line-height: 1.35; }