:root {
  --bg: #FBF0F0;
  --bg2: #FDF1E9;
  --bg3: #F6EEF8;
  --text: #332B4D;
  --text-muted: #6b6280;
  --card: #ffffff;
  --border: #ecdfe6;
  --accent-start: #FFB37A;
  --accent-mid: #FF8A9B;
  --accent-end: #E87FD0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg2), var(--bg), var(--bg3));
  background-attachment: fixed;
  min-height: 100%;
}

a { color: var(--accent-end); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

.nav img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav .brand {
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 15px;
}

.nav .links {
  margin-left: auto;
  display: flex;
  gap: 16px;
  font-size: 14px;
  font-weight: 600;
}

.hero {
  text-align: center;
  padding: 24px 0 40px;
}

.hero img.icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow: 0 8px 30px rgba(51, 43, 77, 0.15);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 28px;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.hero p.tagline {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent-start), var(--accent-mid), var(--accent-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(51, 43, 77, 0.06);
  margin-bottom: 20px;
}

.card h2 {
  font-size: 15px;
  margin: 0 0 8px;
}

.card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12.5px;
  margin-top: 48px;
}

footer a { color: var(--text-muted); text-decoration: underline; }

/* Legal pages */
.legal h1 {
  font-size: 22px;
  margin-bottom: 4px;
}

.legal .updated {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 28px;
}

.legal section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.legal section h2 {
  font-size: 15px;
  margin: 0 0 8px;
}

.legal section p, .legal section li {
  font-size: 14.5px;
  line-height: 1.65;
  color: #453c5c;
}

.legal section ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 24px;
}

.lang-toggle button {
  border: none;
  background: transparent;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
}

.lang-toggle button.active {
  background: linear-gradient(90deg, var(--accent-start), var(--accent-mid));
  color: white;
}

[data-lang="en"] { display: none; }
body.lang-en [data-lang="vi"] { display: none; }
body.lang-en [data-lang="en"] { display: block; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B0F1A;
    --bg2: #141C2E;
    --bg3: #1B2740;
    --text: #EDF0F7;
    --text-muted: #9AA5BD;
    --card: #1A2333;
    --border: #2C3650;
  }
}