:root, html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-grad-top: #f9fbff;
  --bg-grad-bot: #eef2f8;
  --panel: #fff;
  --text: #1b2430;
  --border: #d2d8e3;
  --warn: #b54708;
  --danger: #b42318;
  --ok: #067647;
}
html[data-theme="dark"] {
  --bg: #0d0f17;
  --bg-grad-top: #12151f;
  --bg-grad-bot: #0d0f17;
  --panel: #161925;
  --text: #e8eaf6;
  --border: #2a2f45;
  --warn: #fbbf24;
  --danger: #f87171;
  --ok: #4ade80;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Segoe UI, Tahoma, sans-serif;
  background: linear-gradient(180deg, var(--bg-grad-top), var(--bg-grad-bot));
  color: var(--text);
}
html.embed-studio .tool-hub-back,
html.embed-studio .tool-title { display: none !important; }
html.embed-studio .app { padding: 0.65rem 0.85rem 1rem; max-width: none; }
.app { max-width: 980px; margin: 0 auto; padding: 1rem; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; }
textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem;
  font: inherit;
  background: var(--panel);
  color: var(--text);
  color-scheme: light dark;
}
.stats p { margin: 0.5rem 0; }
.models-as-of {
  margin: 0.35rem 0 0.75rem;
  font-size: 0.78rem;
  color: var(--muted, #60708a);
  line-height: 1.4;
}
.btn-copy {
  margin-top: 0.75rem;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  background: var(--panel);
  color: var(--text);
}
.btn-copy:hover { border-color: var(--accent, #4f46e5); }
.copy-status {
  min-height: 1.2rem;
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--muted, #60708a);
}
.soft-cta {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--muted, #60708a);
  line-height: 1.45;
}
.soft-cta a { color: var(--accent, #4f46e5); }
html.embed-studio .soft-cta { display: none; }
#warning { min-height: 1.3rem; margin: 0.6rem 0 0; }
.warn { color: var(--warn); }
.danger { color: var(--danger); }
.ok { color: var(--ok); }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }