:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f5f7;
  color: #20232a;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
button { font: inherit; }
.site-header {
  display: flex; justify-content: space-between; align-items: center; gap: 2rem;
  padding: 1.5rem 2rem; background: #252933; color: #fff;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 1.65rem; }
.eyebrow { margin-bottom: .25rem; text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; font-weight: 700; opacity: .7; }
.status { margin: 0; font-size: .9rem; opacity: .8; }
.status.error { color: #ffd2d2; }
.layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: calc(100vh - 92px); }
.runs-panel { padding: 1.5rem; background: #fff; border-right: 1px solid #dddfe4; }
.runs-panel h2 { font-size: 1rem; }
.runs { display: grid; gap: .55rem; }
.runs button {
  width: 100%; padding: .75rem; text-align: left; border: 1px solid #d8dae0; border-radius: 7px;
  background: #fff; cursor: pointer;
}
.runs button span { display: block; margin-top: .25rem; font-size: .76rem; color: #686d78; }
.runs button:hover, .runs button.active { border-color: #252933; background: #f1f2f5; }
.content-panel { min-width: 0; padding: 2rem; }
.content-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; max-width: 1050px; margin: 0 auto 1rem; }
.content-heading h2 { margin-bottom: 0; font-size: 1.35rem; }
.copy-button { padding: .55rem .8rem; border: 1px solid #c8cbd2; border-radius: 6px; background: #fff; cursor: pointer; }
.tabs { display: flex; flex-wrap: wrap; gap: .45rem; max-width: 1050px; margin: 0 auto 1rem; }
.tabs button { padding: .55rem .8rem; border: 1px solid #c8cbd2; border-radius: 999px; background: #fff; cursor: pointer; }
.tabs button.active { background: #252933; border-color: #252933; color: #fff; }
.content { max-width: 1050px; margin: 0 auto; padding: 2rem; background: #fff; border: 1px solid #dddfe4; border-radius: 10px; line-height: 1.65; overflow-wrap: anywhere; }
.content h1 { color: #20232a; font-size: 2rem; }
.content h2 { margin-top: 2rem; padding-top: .5rem; border-top: 1px solid #eceef1; }
.content a { color: #174ea6; }
.content pre { overflow: auto; padding: 1rem; border-radius: 6px; background: #f3f4f6; font-size: .82rem; }
.content code { background: #f0f1f3; padding: .12rem .3rem; border-radius: 4px; }
.empty-state, .loading { color: #686d78; }
.error-state { color: #8b1f1f; }
.muted { color: #686d78; font-size: .9rem; }
@media (max-width: 760px) {
  .site-header { padding: 1rem; }
  .layout { grid-template-columns: 1fr; }
  .runs-panel { border-right: 0; border-bottom: 1px solid #dddfe4; }
  .runs { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .content-panel { padding: 1rem; }
  .content { padding: 1.25rem; }
  .content-heading { align-items: start; flex-direction: column; }
}
