:root {
  --bg: #fafaf9;
  --panel: #ffffff;
  --text: #1c1917;
  --muted: #78716c;
  --border: #e7e5e4;
  --accent: #7c3aed;
  --ok: #15803d;
  --bad: #b91c1c;
  --code-bg: #f5f5f4;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --panel: #1c1917;
    --text: #f5f5f4;
    --muted: #a8a29e;
    --border: #292524;
    --accent: #a78bfa;
    --ok: #4ade80;
    --bad: #f87171;
    --code-bg: #0c0a09;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header { padding: 16px 24px 8px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; }
h1 { font-size: 20px; margin: 0; }
h1 span { color: var(--accent); font-weight: 500; }
.tagline { margin: 0; color: var(--muted); flex: 1 1 320px; }
nav { display: flex; gap: 16px; }
a { color: var(--accent); }

main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(320px, 2fr) 3fr;
  gap: 16px;
  padding: 8px 24px 16px;
  min-height: 0;
}

.pane {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.toolbar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.toolbar label { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: 13px; }
.toolbar label.check { margin-left: auto; }

select, button, textarea {
  font: inherit;
  color: var(--text);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
select, button { padding: 4px 8px; font-size: 13px; }
button { cursor: pointer; }
button:hover { border-color: var(--accent); }

textarea {
  width: 100%;
  font: 13px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  padding: 10px;
  resize: vertical;
  tab-size: 4;
}
#code { flex: 1; min-height: 360px; }
#config { min-height: 90px; margin-top: 6px; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }

.status { display: flex; gap: 12px; font-size: 13px; color: var(--muted); min-height: 20px; }
.status .error { color: var(--bad); white-space: pre-wrap; }
.status .ok { color: var(--ok); }
.status .bad { color: var(--bad); }

.renders { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; flex: 1; min-height: 0; }
figure { margin: 0; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
figcaption { font-size: 12px; color: var(--muted); }
.svg {
  flex: 1;
  overflow: auto;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  min-height: 200px;
}
.svg svg { max-width: 100%; height: auto; }

footer { padding: 0 24px 16px; font-size: 12px; color: var(--muted); }

@media (max-width: 800px) {
  header, main, footer { padding-left: 16px; padding-right: 16px; }
  main { grid-template-columns: 1fr; }
  #code { min-height: 240px; }
  .toolbar label.check { margin-left: 0; }
}

[hidden] { display: none !important; }