:root {
  --bg: #f6f1e7; --card: #fffdf8; --ink: #1d2420; --muted: #4f5a54;
  --green: #1f4d3a; --green-ink: #f6f1e7; --line: #e2d9c7;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141a17; --card: #1c2420; --ink: #eef0ea; --muted: #b5bdb6; --green: #7cc4a0; --green-ink: #10251b; --line: #2c3631; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 19px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 56px 20px 32px; }
.brand { font-weight: 700; letter-spacing: .04em; color: var(--green); margin: 0 0 28px; font-size: 20px; }
h1 { font-size: clamp(36px, 7vw, 56px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -.02em; }
h2 { font-size: 22px; line-height: 1.3; margin: 0 0 8px; }
.lead { font-size: 22px; color: var(--muted); margin: 0; }
p { margin: 0 0 12px; }
a { color: var(--green); }

.example { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin: 44px 0; }
.ask { font-size: 22px; font-weight: 600; }
.answer { color: var(--muted); }
.button { display: inline-block; background: var(--green); color: var(--green-ink); font-weight: 600; padding: 10px 22px; border-radius: 12px; margin: 6px 0 0; }

.points { display: grid; gap: 28px; margin: 0 0 48px; }
.points p { color: var(--muted); }

.signup { border-top: 1px solid var(--line); padding-top: 40px; }
.signup > p { color: var(--muted); }
label { display: block; font-weight: 600; margin: 18px 0 8px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
input, button { font: inherit; border-radius: 12px; padding: 12px 16px; min-height: 52px; }
input { flex: 1 1 240px; border: 2px solid var(--line); background: var(--card); color: var(--ink); }
input:focus, button:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
button { border: 0; background: var(--green); color: var(--green-ink); font-weight: 600; cursor: pointer; flex: 0 0 auto; }
.small { font-size: 16px; margin-top: 12px; }
footer { max-width: 760px; margin: 0 auto; padding: 0 20px 40px; color: var(--muted); font-size: 15px; }

/* Account pages */
main.narrow { max-width: 560px; }
.brand a { color: inherit; text-decoration: none; }
form input:not([type=checkbox]) { width: 100%; }
.row input { width: auto; }
.stack { display: flex; flex-direction: column; gap: 12px; margin: 22px 0 18px; }
button.secondary { background: transparent; color: var(--green); border: 2px solid var(--green); }
.check { display: flex; align-items: center; gap: 12px; font-weight: 400; margin-top: 18px; }
.check input { width: 26px; height: 26px; min-height: 0; accent-color: var(--green); }
.error { background: #fbe6e3; color: #7a1f14; border-radius: 12px; padding: 12px 16px; font-weight: 600; }
@media (prefers-color-scheme: dark) { .error { background: #3a1a16; color: #ffc9c0; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin: 0 0 24px; }
.detail { color: var(--muted); }
.family { list-style: none; padding: 0; margin: 0 0 8px; }
.family li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.family li form button { min-height: 44px; padding: 8px 16px; }