/* Altro brand palette */
:root {
  --bg:        #0d0d0e;
  --bg-soft:   #161618;
  --fg:        #f5f5f5;
  --muted:     #9d9da6;
  --rule:      #26262a;
  --green:     #bbf06a;
  --green-ink: #0a1f00;
  --purple:    #b0aafc;
  --purple-ink:#0d0826;
  --code-bg:   #1c1c20;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:        #fafaf8;
    --bg-soft:   #f1f1ec;
    --fg:        #0a0a0a;
    --muted:     #5a5a60;
    --rule:      #e2e2dc;
    --green:     #bbf06a;
    --green-ink: #0a1f00;
    --purple:    #5b50e0;
    --purple-ink:#ffffff;
    --code-bg:   #efefe8;
  }
}

* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--fg); margin: 0; }
body {
  font: 15px/1.6 -apple-system, system-ui, "Segoe UI", Inter, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.25rem 6rem;
}

/* Header band carrying the logo */
.brand {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}
.brand .logo {
  background: var(--green);
  color: var(--green-ink);
  padding: .55rem .8rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.brand .logo svg { display: block; height: 20px; width: auto; }
.brand .product {
  color: var(--muted);
  font-size: .92rem;
  letter-spacing: .02em;
}
.brand .product strong {
  color: var(--fg);
  font-weight: 600;
}
.brand .lang {
  margin-left: auto;
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  font-size: .82rem;
}
.brand .lang a {
  padding: .3rem .65rem;
  color: var(--muted);
  border: none;
  text-decoration: none;
}
.brand .lang a:hover { color: var(--fg); background: var(--bg-soft); }
.brand .lang a[aria-current="page"] {
  background: var(--green);
  color: var(--green-ink);
  font-weight: 600;
}

/* Typography */
h1 {
  letter-spacing: -0.02em;
  font-weight: 700;
  font-size: 2rem;
  margin: 0 0 .35rem;
}
h2 {
  letter-spacing: -0.01em;
  font-size: 1.2rem;
  margin: 2.4rem 0 .6rem;
}
h3 {
  font-size: 1rem;
  margin: 1.6rem 0 .4rem;
  color: var(--muted);
  font-weight: 600;
}
p, li { margin: .4rem 0; }
.lede { font-size: 1.05rem; color: var(--muted); margin-top: .25rem; }
.meta { font-size: .85rem; color: var(--muted); margin-top: .25rem; }

/* Links */
a {
  color: var(--purple);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--purple) 35%, transparent);
}
a:hover { border-bottom-color: var(--purple); }
.breadcrumb {
  font-size: .88rem;
  color: var(--muted);
  margin: -1rem 0 1.5rem;
}
.breadcrumb a { color: var(--muted); border: none; }
.breadcrumb a:hover { color: var(--fg); }

/* Code */
code, pre {
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
pre {
  background: var(--code-bg);
  padding: .9rem 1.1rem;
  border-radius: 8px;
  overflow: auto;
  border: 1px solid var(--rule);
}
code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .92em;
}
pre code { background: transparent; padding: 0; font-size: 13px; }

/* Cards (table list on landing) */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem 1rem;
  margin: 1rem 0;
}
.card {
  display: block;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: .9rem 1rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--rule);
  transition: border-color .15s ease;
}
.card:hover { border-color: var(--purple); }
.card h3 {
  margin: 0 0 .2rem;
  color: var(--fg);
  font-size: .95rem;
  font-weight: 600;
}
.card p { margin: 0; color: var(--muted); font-size: .85rem; }
.card code { font-size: .8rem; background: transparent; padding: 0; color: var(--green); }

/* Route + start blocks */
.route, .start {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: .9rem 0;
  background: var(--bg-soft);
}
.route h3 {
  color: var(--fg);
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.route .tag {
  display: inline-block;
  padding: 1px 8px;
  margin-right: .4rem;
  background: var(--green);
  color: var(--green-ink);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  vertical-align: 1px;
}
.route p { margin: .25rem 0 0; }
.start h3 { color: var(--fg); margin-top: 0; font-size: 1rem; font-weight: 600; }
.start p { margin: .25rem 0 .65rem; color: var(--muted); font-size: .92rem; }
.start pre { margin: 0; }

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: .92rem;
}
th, td {
  text-align: left;
  padding: .5rem .7rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
td.col {
  font-family: ui-monospace, SFMono-Regular, monospace;
  white-space: nowrap;
  color: var(--fg);
}
td.type {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: .85rem;
}
.scroll { overflow-x: auto; }
.scroll table { font-size: .82rem; }
.scroll td { white-space: nowrap; }

/* Pills (PK/FK) */
.pk, .fk {
  display: inline-block;
  font-size: .68rem;
  padding: 1px 6px;
  border-radius: 999px;
  margin-left: .4rem;
  vertical-align: 1px;
  font-weight: 600;
  letter-spacing: .03em;
}
.pk { background: color-mix(in srgb, var(--green) 22%, transparent); color: var(--green); }
.fk { background: color-mix(in srgb, var(--purple) 22%, transparent); color: var(--purple); }

/* Misc */
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }
strong { color: var(--fg); font-weight: 600; }
.footer { margin-top: 4rem; color: var(--muted); font-size: .85rem; }