:root {
  --bg: #f6f3ee; --card: #ffffff; --ink: #1d1b18; --muted: #6b655d; --line: #e4ded5;
  --accent: #1f5f4a; --accent-ink: #ffffff; --error: #a2312a; --notice: #1f5f4a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161513; --card: #211f1c; --ink: #f1ede6; --muted: #a8a197; --line: #36322d;
    --accent: #5fb393; --accent-ink: #10201a; --error: #f08a80; --notice: #7fcfb0; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif; }
.bar { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; max-width: 560px; margin: 0 auto; }
.brand { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand span { color: var(--accent); }
.who { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px 24px;
  max-width: 520px; margin: 8px auto 24px; }
@media (max-width: 560px) { .card { margin: 8px 16px 24px; padding: 22px 18px; } }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 28px 0 8px; }
p { margin: 0 0 14px; }
a { color: var(--accent); }
label { display: block; font-weight: 600; margin: 6px 0; }
input { width: 100%; font: inherit; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink); margin-bottom: 14px; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.button { display: block; width: 100%; text-align: center; font: inherit; font-weight: 600; padding: 13px 16px;
  border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-ink); cursor: pointer;
  text-decoration: none; margin: 0 0 12px; }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.button:disabled { opacity: 0.6; cursor: progress; }
.row { display: flex; gap: 12px; } .row .button { margin: 0; }
.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.error { color: var(--error); } .notice { color: var(--notice); font-weight: 600; }
.unsupported { color: var(--muted); }
.small { font-size: 14px; color: var(--muted); }
.facts { padding-left: 20px; margin: 0 0 14px; } .facts li { margin-bottom: 6px; }
.list { list-style: none; padding: 0; margin: 0 0 14px; }
.list li { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list form { margin: 0; flex-shrink: 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 0 16px 32px; }