:root {
  --ink: #1d2433;
  --muted: #5b6475;
  --bg: #fbfbf8;
  --card: #ffffff;
  --line: #e3e5e8;
  --accent: #0b6e4f;
  --accent-ink: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eaee;
    --muted: #a3abb9;
    --bg: #12151b;
    --card: #1a1f27;
    --line: #2b313b;
    --accent: #3fbf8f;
    --accent-ink: #0d1a14;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.hero, main, footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hero { padding-top: 4rem; padding-bottom: 2rem; text-align: center; }
.logo { border-radius: 22%; }
h1 { font-size: 2.5rem; line-height: 1.15; margin: 1rem 0 0.5rem; }
.lead { font-size: 1.2rem; color: var(--muted); margin: 0 auto 1.75rem; max-width: 36rem; }

.actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { border-color: var(--accent); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button.small { padding: 0.3rem 0.7rem; font-size: 0.9rem; }
.mark { flex: none; }

section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem 1.5rem 1rem;
  margin: 0 0 1.25rem;
}
h2 { margin: 0 0 0.75rem; font-size: 1.4rem; }
h3 { margin: 1.25rem 0 0.25rem; font-size: 1.05rem; }

.features { padding-left: 1.1rem; }
.features li { margin-bottom: 0.5rem; }

/* A menu item or button in another app, as the reader will see it there. */
.ui {
  display: inline-block;
  padding: 0 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: var(--bg);
  font-size: 0.92em;
  font-weight: 600;
  white-space: nowrap;
}

.steps { padding-left: 1.3rem; }
.steps li { margin-bottom: 0.6rem; padding-left: 0.2rem; }
.steps .url { margin: 0.5rem 0 0; }

.chat { display: flex; flex-direction: column; gap: 0.5rem; margin: 1.25rem 0; }
.msg { max-width: 85%; margin: 0; padding: 0.65rem 0.9rem; border-radius: 1rem; }
.msg p { margin: 0; }
.msg p + p { margin-top: 0.5rem; }
.msg ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.msg.you { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 0.3rem; }
.msg.bot { align-self: flex-start; background: var(--bg); border: 1px solid var(--line); border-bottom-left-radius: 0.3rem; }

code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; }
pre, .url code {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
}
pre { overflow-x: auto; }
.url { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.url code { overflow-wrap: anywhere; }

.email-link { font-weight: 600; font-size: 1.1rem; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 1rem; margin: 0 0 0.5rem; }
.stats div { display: flex; flex-direction: column; }
.stats dd { order: -1; margin: 0; font-size: 2rem; font-weight: 700; color: var(--accent); }
.stats dt { color: var(--muted); }

.muted, .note { color: var(--muted); }

footer {
  padding-top: 1rem;
  padding-bottom: 3rem;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--muted);
}

.notfound { text-align: center; padding-top: 6rem; }

@media (max-width: 30rem) {
  h1 { font-size: 2rem; }
  .actions .button { width: 100%; justify-content: center; }
  section { padding: 1.25rem 1rem 0.75rem; }
}