/* Palette mirrors the extension popup (src/entrypoints/popup/popup.css). */
:root {
  color-scheme: light dark;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #101722;
  --muted: #5d6779;
  --faint: #97a1b2;
  --border: #e5e9ef;
  --accent: #527f75;
  --accent-strong: #3f665d;
  --accent-soft: rgba(82, 127, 117, 0.12);
  --on-accent: #ffffff;
  --code-bg: #eef1f5;
  --shadow: 0 1px 2px rgba(16, 23, 34, 0.04), 0 8px 24px rgba(16, 23, 34, 0.06);
  --radius: 14px;
  --max: 960px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15191f;
    --surface: #1f2229;
    --text: #e4e6ea;
    --muted: #a3a9b4;
    --faint: #737a85;
    --border: #353a44;
    --accent: #7fb5a8;
    --accent-strong: #9ccabe;
    --accent-soft: rgba(127, 181, 168, 0.14);
    --on-accent: #10201c;
    --code-bg: #272b33;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

code {
  font: 0.88em var(--mono);
  background: var(--code-bg);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 10;
}
.skip:focus { left: 8px; }

/* Header and navigation */
.site-header {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; min-height: 60px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: -0.01em;
}
.brand img { width: 28px; height: 28px; }
.brand:hover { color: var(--text); }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  display: block; padding: 6px 12px; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-size: 0.94rem; font-weight: 500;
}
.site-nav a:hover { color: var(--text); background: var(--accent-soft); }
.site-nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
.site-nav a.lang { border: 1px solid var(--border); margin-left: 4px; }

main { flex: 1; padding: 48px 0 64px; }

/* Home */
.hero { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 2.9rem); line-height: 1.15;
  letter-spacing: -0.025em; margin: 0 0 16px;
}
.hero p.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.hero-art {
  width: 168px; height: 168px; border-radius: 40px;
  background: var(--surface); box-shadow: var(--shadow);
  display: grid; place-items: center;
}
.hero-art img { width: 112px; height: 112px; }

.eyebrow {
  display: inline-block; margin-bottom: 14px; padding: 3px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 0.82rem; font-weight: 600;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; font-weight: 600; font-size: 0.95rem;
  text-decoration: none; border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
}
.btn:hover { color: var(--text); border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--on-accent); }
.btn svg { width: 18px; height: 18px; flex: none; }

.note { margin: 20px 0 0; font-size: 0.9rem; color: var(--faint); }

section.block { margin-top: 72px; }
section.block > h2 { font-size: 1.5rem; letter-spacing: -0.015em; margin: 0 0 8px; }
section.block > p.sub { color: var(--muted); margin: 0 0 24px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.card .icon {
  width: 36px; height: 36px; border-radius: 10px; margin-bottom: 14px;
  background: var(--accent-soft); color: var(--accent); display: grid; place-items: center;
}
.card .icon svg { width: 20px; height: 20px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li {
  counter-increment: step; position: relative;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px 16px 62px;
}
.steps li::before {
  content: counter(step); position: absolute; left: 18px; top: 15px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-weight: 700; font-size: 0.88rem;
}
.steps strong { display: block; }
.steps span { color: var(--muted); font-size: 0.94rem; }

.callout {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--accent-soft); border-radius: var(--radius); padding: 22px;
}
.callout svg { width: 24px; height: 24px; color: var(--accent); flex: none; margin-top: 2px; }
.callout h2 { margin: 0 0 6px; font-size: 1.1rem; }
.callout p { margin: 0; color: var(--muted); }

/* Document pages (privacy, changelog) */
.doc { max-width: 720px; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.3rem); letter-spacing: -0.02em; margin: 0 0 8px; }
.doc .meta { color: var(--muted); margin: 0 0 32px; }
.doc h2 {
  font-size: 1.25rem; letter-spacing: -0.01em; margin: 40px 0 10px;
  padding-top: 8px; scroll-margin-top: 80px;
}
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 4px 0; }

.toc {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 8px;
}
.toc strong { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.toc ol { margin: 8px 0 0; padding-left: 1.2em; columns: 2; column-gap: 32px; }
.toc li { margin: 2px 0; break-inside: avoid; }

/* Changelog */
.release {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; margin-bottom: 16px;
}
.release header { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.release h2 { margin: 0; padding: 0; font-size: 1.3rem; }
.release h2 a { color: var(--text); text-decoration: none; }
.release h2 a:hover { color: var(--accent); }
.release time { color: var(--faint); font-size: 0.92rem; }
.release .latest {
  padding: 2px 9px; border-radius: 999px; font-size: 0.76rem; font-weight: 650;
  background: var(--accent); color: var(--on-accent);
}
.release h3 {
  margin: 18px 0 4px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--accent);
}
.release ul { margin: 0; padding-left: 1.2em; }
.release li { margin: 5px 0; }
.release p { margin: 8px 0 0; }
.status { color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--faint); font-size: 0.9rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

@media (max-width: 760px) {
  main { padding: 32px 0 48px; }
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { order: -1; width: 96px; height: 96px; border-radius: 24px; }
  .hero-art img { width: 64px; height: 64px; }
  .grid { grid-template-columns: 1fr; }
  section.block { margin-top: 56px; }
  .toc ol { columns: 1; }
  .site-header .wrap { padding-top: 8px; padding-bottom: 8px; }
  .site-nav a { padding: 6px 10px; }
  .release { padding: 18px; }
}

.callout-note {
  background: var(--accent-soft); border-radius: 10px;
  padding: 12px 16px; font-size: 0.94rem; color: var(--muted);
}