/* AvoLens — one stylesheet, no external requests.
   Palette mirrors src/lib/theme.tsx in the app: jet-black/white monochrome
   with the macro accents used sparingly. */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface2: #f5f5f6;
  --border: #ececee;
  --ink: #0e0e12;
  --muted: #5e5e63;
  --faint: #8e8e93;
  --accent: #111116;
  --accent-ink: #ffffff;
  --protein: #e4586e;
  --carbs: #e8a13b;
  --fat: #8ea604;
  --water: #4da8f0;
  --radius: 14px;
  --maxw: 720px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12;
    --surface: #16161c;
    --surface2: #202028;
    --border: #282832;
    --ink: #ffffff;
    --muted: #a9a9ae;
    --faint: #8a8a8f;
    --accent: #ffffff;
    --accent-ink: #0e0e12;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- header / footer ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}

.brand img { width: 28px; height: 28px; border-radius: 7px; }

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 15px;
}

.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--ink); text-decoration: underline; }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 28px 0 44px;
  font-size: 14px;
  color: var(--muted);
}

.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 14px; }
.site-footer a { color: var(--muted); }

/* ---------- type ---------- */

h1 {
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 40px 0 14px;
}

h2 {
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 44px 0 12px;
  scroll-margin-top: 24px;
}

h3 { font-size: 17px; margin: 26px 0 8px; }

p, li { color: var(--ink); }

a { color: var(--ink); text-underline-offset: 2px; }

.lede {
  font-size: 19px;
  color: var(--muted);
  margin: 0 0 28px;
}

.muted { color: var(--muted); }
.small { font-size: 14.5px; }

ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }

/* ---------- components ---------- */

.card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 22px 0;
}

.card h3 { margin-top: 0; }
.card :last-child { margin-bottom: 0; }

.callout {
  border-left: 3px solid var(--protein);
  background: var(--surface2);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.callout strong { display: block; margin-bottom: 4px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid var(--accent);
}

.btn:hover { opacity: 0.88; }

.btn.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 8px; }

.features {
  list-style: none;
  padding: 0;
  margin: 26px 0;
  display: grid;
  gap: 14px;
}

.features li {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0;
}

.features b { display: block; margin-bottom: 3px; }
.features span { color: var(--muted); font-size: 15.5px; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 4px; margin-right: 8px; vertical-align: 1px; }
.dot.p { background: var(--protein); }
.dot.c { background: var(--carbs); }
.dot.f { background: var(--fat); }
.dot.w { background: var(--water); }

.table-scroll { overflow-x: auto; margin: 22px 0; }

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 460px;
  font-size: 15.5px;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th { font-weight: 600; background: var(--surface2); }

.toc {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px 16px 38px;
  font-size: 15.5px;
}

.toc li { margin: 4px 0; }

.meta {
  font-size: 14px;
  color: var(--faint);
  margin: 0 0 30px;
}

.fill {
  background: rgba(228, 88, 110, 0.14);
  border-bottom: 1px dashed var(--protein);
  padding: 0 3px;
  border-radius: 3px;
  font-weight: 600;
}

pre {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

code { font-size: 0.92em; }

details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
}

details p { margin: 10px 0 0; color: var(--muted); }

@media (max-width: 520px) {
  body { font-size: 16.5px; }
  .site-nav { gap: 14px; font-size: 14.5px; width: 100%; margin-left: 0; }
}