/* Trang pháp lý HealthLeo — dùng phông hệ thống, không cần tài nguyên ngoài */
:root {
  --bg: #f5fbfb; --surface: #ffffff; --text: #0e2a33; --muted: #4a6670;
  --border: #d7e9ea; --accent: #0f766e; --note: #eaf6f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1a20; --surface: #122a32; --text: #e7f4f5; --muted: #9fb9c0;
    --border: #1f3d47; --accent: #5eead4; --note: #0e2229;
  }
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7; -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }
.top { border-bottom: 1px solid var(--border); background: var(--surface); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.top nav a { font-size: .9rem; }
main { padding-top: 40px; padding-bottom: 56px; }
h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); line-height: 1.2; margin: 0 0 .3em; }
h2 { font-size: 1.25rem; line-height: 1.3; margin: 2em 0 .5em; }
h3 { font-size: 1rem; margin: 1.4em 0 .4em; }
p, ul { margin: 0 0 1em; }
ul { padding-left: 1.3em; }
li { margin-bottom: .4em; }
.meta { color: var(--muted); font-size: .9rem; }
.note { padding: 16px 18px; background: var(--note); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 10px; }
.bottom { border-top: 1px solid var(--border); padding: 24px 0 32px; color: var(--muted); font-size: .85rem; }
.bottom p { margin: 0 0 .4em; }