:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-surface-2: #efefec;
  --color-text: #171717;
  --color-muted: #686868;
  --color-border: #deded9;
  --color-accent: #111111;
  --color-accent-2: #525252;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 14px 40px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

.skip-link {
  left: 1rem;
  position: absolute;
  top: -4rem;
  z-index: 2000;
  background: var(--color-text);
  color: #fff;
  padding: .55rem .8rem;
  border-radius: var(--radius-xs);
}

.skip-link:focus { top: 1rem; }

a { color: var(--color-text); text-underline-offset: 3px; }

.navbar { min-height: 66px; }
.navbar-brand { font-weight: 800; letter-spacing: -0.03em; }
.nav-link { color: #353535; font-weight: 600; font-size: .92rem; }
.nav-link:hover, .nav-link:focus { color: #000; }
.brand-mark {
  align-items: center;
  background: #111;
  border-radius: var(--radius-xs);
  color: #fff;
  display: inline-flex;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  height: 28px;
  justify-content: center;
  letter-spacing: -.08em;
  width: 28px;
}

.hero-section { background: var(--color-surface); }
.py-lg-6 { padding-bottom: 5.5rem; padding-top: 5.5rem; }
.text-balance { text-wrap: balance; }
.lead { font-size: 1.08rem; max-width: 720px; }
.eyebrow {
  color: #4d4d4d;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.btn { border-radius: var(--radius-sm); font-weight: 700; }
.btn-lg { --bs-btn-padding-y: .78rem; --bs-btn-padding-x: 1rem; --bs-btn-font-size: .98rem; }
.btn-dark { background: var(--color-accent); border-color: var(--color-accent); }
.btn-dark:hover { background: #2b2b2b; border-color: #2b2b2b; }
.btn-outline-secondary { border-color: #c9c9c3; color: #252525; }

.hero-panel, .app-shell, .provider-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero-panel { border: 1px solid var(--color-border); padding: 1.15rem; }
.panel-topline { color: var(--color-muted); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem; }
.status-dot { color: #1f6b3a; font-weight: 800; }
.code-window {
  background: #151515;
  border: 1px solid #2b2b2b;
  border-radius: var(--radius-sm);
  color: #f6f6f3;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9rem;
  line-height: 1.9;
  overflow-x: auto;
  padding: 1rem;
}
.code-window .muted { color: #9ca3af; }
.code-window .string { color: #d8d8d2; }
.runtime-grid { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.runtime-grid div { background: var(--color-surface-2); border-radius: var(--radius-sm); padding: .75rem; }
.runtime-grid dt { color: var(--color-muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.runtime-grid dd { font-size: .88rem; font-weight: 700; margin: .1rem 0 0; }

.section-pad { padding: 4.5rem 0; }
.bg-subtle { background: var(--color-surface-2); }
.narrow { max-width: 560px; }
.section-heading { max-width: 760px; }

.app-shell { overflow: hidden; }
.search-card { padding: 1.15rem; }
.form-label { color: #303030; font-size: .82rem; font-weight: 800; }
.form-control, .form-select {
  border-color: #cfcfca;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.form-control:focus, .form-select:focus, .btn:focus-visible, .chip:focus-visible, .result-item:focus-visible, .language-card:focus-visible {
  border-color: #111;
  box-shadow: 0 0 0 .2rem rgba(17, 17, 17, .14);
  outline: 0;
}
.quick-searches { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: #252525;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 700;
  padding: .4rem .7rem;
}
.chip:hover { background: #e7e7e1; }

.results-column { background: #fbfbfa; min-height: 540px; }
.detail-column { background: var(--color-surface); min-height: 540px; }
.results-toolbar {
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
}
.results-list { display: grid; gap: .65rem; padding: 1rem; }
.result-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: .95rem;
  text-align: left;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
  width: 100%;
}
.result-item:hover { border-color: #b9b9b3; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.result-item.active { border-color: #111; box-shadow: 0 0 0 1px #111 inset; }
.result-title { font-weight: 800; letter-spacing: -.02em; margin-bottom: .25rem; }
.result-excerpt { color: var(--color-muted); font-size: .88rem; margin-bottom: .75rem; }
.badge-soft {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: #333;
  display: inline-block;
  font-size: .72rem;
  font-weight: 800;
  margin: 0 .3rem .3rem 0;
  padding: .25rem .5rem;
}
.score { color: var(--color-muted); font-size: .78rem; font-weight: 700; }
.detail-panel { min-height: 100%; padding: 1.25rem; }
.empty-state {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 420px;
  text-align: center;
}
.empty-icon {
  align-items: center;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: inline-flex;
  font-size: 1.5rem;
  height: 54px;
  justify-content: center;
  margin-bottom: 1rem;
  width: 54px;
}
.detail-meta { align-items: center; display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1rem; }
.detail-summary { color: #333; font-size: 1rem; }
.code-block {
  background: #151515;
  border-radius: var(--radius-sm);
  color: #f7f7f5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .86rem;
  overflow-x: auto;
  padding: 1rem;
  white-space: pre;
}
.detail-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }

.language-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-height: 112px;
  padding: 1rem;
  text-align: left;
  transition: border-color .15s ease, transform .15s ease;
  width: 100%;
}
.language-card:hover { border-color: #111; transform: translateY(-1px); }
.language-card span { font-size: 1rem; font-weight: 800; }
.language-card small { color: var(--color-muted); margin-top: .35rem; }
.provider-card { padding: 1.25rem; }
.checklist { color: #333; padding-left: 1.2rem; }
.checklist li + li { margin-top: .55rem; }
.site-footer { background: var(--color-surface); color: #333; font-size: .9rem; }

@media (max-width: 991.98px) {
  .py-lg-6 { padding-bottom: 3.5rem; padding-top: 3.5rem; }
  .section-pad { padding: 3.25rem 0; }
  .results-column { border-right: 0 !important; min-height: auto; }
  .detail-column { border-top: 1px solid var(--color-border); min-height: auto; }
}

@media (max-width: 575.98px) {
  body { font-size: 14px; }
  .display-5 { font-size: 2.1rem; }
  .runtime-grid { grid-template-columns: 1fr; }
  .results-toolbar { align-items: flex-start; flex-direction: column; }
}