:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22c55e;
  --panel: rgba(15, 23, 42, 0.82);
  --panel-strong: #1e293b;
  --border: #334155;
  --code-bg: #020617;
}
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(14px);
}
.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 0.9rem;
  align-items: center;
}
.site-header__summary {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
  min-width: 0;
}
.site-header__brand {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  min-width: 0;
}
.site-header__eyebrow {
  margin: 0.2rem 0 0;
  font-size: 0.68rem;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-header__title,
.site-header__github {
  display: inline-block;
  text-decoration: none;
}
.site-header__title {
  color: var(--fg);
  font-size: 0.95rem;
  font-weight: 700;
}
.site-header__title:hover,
.site-header__github:hover {
  color: var(--accent);
}
.site-header__github {
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.78rem;
}
.install-box {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}
.install-box__label {
  font-size: 0.7rem;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.install-box code {
  display: block;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(2, 6, 23, 0.75);
  font-size: 0.75rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  white-space: normal;
}
main {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}
#menu {
  border-right: 1px solid var(--border);
  overflow: auto;
  padding: 1rem;
}
#content {
  padding: 1rem 1.25rem;
  overflow: auto;
}
.toolbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: flex-end;
}
.toolbar input {
  flex: 1 1 220px;
  min-width: 0;
}
.toolbar select {
  flex: 0 0 auto;
}
input, select {
  background: var(--panel-strong);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
}
.area-title { font-size: .85rem; text-transform: uppercase; color: var(--muted); margin: 1rem 0 .4rem; }
.wf-btn { width: 100%; text-align: left; margin-bottom: .4rem; background: var(--panel-strong); color: var(--fg); border: 1px solid var(--border); border-radius: 8px; padding: .5rem; cursor: pointer; }
.wf-btn:hover { border-color: var(--accent); }
code, pre { background: var(--code-bg); border-radius: 8px; }
.chip { display:inline-block; border:1px solid var(--border); border-radius:999px; padding:.15rem .5rem; margin:.15rem; color:var(--muted); font-size:.82rem; }
.meta { color: var(--muted); }

@media (max-width: 980px) {
  .site-header__inner {
    grid-template-columns: 1fr;
  }
  .site-header__summary {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .toolbar {
    justify-content: stretch;
  }
  main {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 0.7rem 0.8rem;
  }
  .toolbar {
    flex-wrap: wrap;
  }
  .toolbar input,
  .toolbar select {
    width: 100%;
    flex-basis: 100%;
  }
  main {
    grid-template-columns: 1fr;
  }
  #menu {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    max-height: 32vh;
  }
}