:root {
  --surface: #fbf7f0; --raised: #fff; --sunken: #f3eee6; --border: #e4ddd2;
  --ink: #2e3440; --muted: #5e6470; --primary: #2f7470; --primary-ink: #2e6f6b;
  --tint: #e6f1ef; --sos: #c2553c; --sos-tint: #fbe9e4;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--surface); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
}
html[lang="hi"] body { line-height: 1.75; }
a { color: var(--primary-ink); }
.top {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 760px; margin: 0 auto; padding: 20px 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 26px; color: var(--ink); text-decoration: none; letter-spacing: -.5px; }
.lang { font-weight: 700; font-size: 15px; padding: 8px 14px; border: 1.5px solid var(--border); border-radius: 999px; text-decoration: none; background: var(--raised); }
.doc, .card-wrap { max-width: 760px; margin: 0 auto; padding: 8px 16px 48px; }
.doc h1 { font-size: 32px; line-height: 1.25; margin: 8px 0 12px; }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc h3 { font-size: 18px; margin: 24px 0 6px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--sunken); }
.doc li p { margin: 4px 0; }
.foot { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
.card { background: var(--raised); border: 1px solid var(--border); border-radius: 24px; padding: 24px; margin: 16px 0; }
.hero { text-align: center; padding: 32px 0 8px; }
.hero h1 { font-size: 40px; margin: 12px 0 4px; }
.muted { color: var(--muted); }
label { display: block; font-weight: 700; margin: 16px 0 6px; }
input {
  width: 100%; font: inherit; padding: 14px 16px; border-radius: 16px;
  border: 1.5px solid var(--border); background: var(--raised); color: var(--ink);
}
input:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
button {
  margin-top: 16px; width: 100%; font: inherit; font-weight: 800; padding: 15px 20px;
  border: 0; border-radius: 999px; background: var(--primary); color: #fff; cursor: pointer;
}
button.danger { background: var(--sos); }
button:disabled { opacity: .55; cursor: default; }
.note { background: var(--sunken); border-radius: 16px; padding: 14px 16px; font-size: 15px; }
.msg { margin-top: 14px; font-weight: 700; min-height: 1.4em; }
.msg.err { color: var(--sos); }
.hidden { display: none; }
.links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.links a { padding: 10px 16px; border-radius: 999px; background: var(--raised); border: 1.5px solid var(--border); text-decoration: none; font-weight: 700; }
.help { background: var(--sos-tint); }