:root {
  --bg: #fbfaf8;
  --fg: #1d1b18;
  --muted: #6b665e;
  --line: #e4e0d9;
  --panel: #ffffff;
  --accent: #2f5d50;
  --accent-fg: #ffffff;
  --warn: #8a4b08;
  --danger: #a3261b;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --fg: #ece8e1;
    --muted: #a39d93;
    --line: #34312c;
    --panel: #201f1c;
    --accent: #7fbfa9;
    --accent-fg: #10201b;
    --warn: #e0a15a;
    --danger: #f08a7e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
main { max-width: 34rem; margin: 0 auto; padding: 2rem 1rem 3rem; }
header { margin-bottom: 2rem; }
.brand { font-weight: 600; color: var(--fg); text-decoration: none; }
h1 { font-size: 1.5rem; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.5rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent); }
section { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; margin: 1.5rem 0; }
label { display: block; font-weight: 600; margin: 0 0 0.25rem; }
input[type="email"], input[type="text"] {
  width: 100%; font: inherit; padding: 0.6rem 0.7rem; margin: 0 0 1rem;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg);
}
input.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.15em; }
.check { display: flex; gap: 0.6rem; align-items: flex-start; font-weight: 400; margin: 0 0 0.75rem; }
.check input { margin-top: 0.3rem; flex: none; }
button {
  font: inherit; font-weight: 600; cursor: pointer; padding: 0.6rem 1rem;
  border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg);
}
button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: none; padding: 0; color: var(--accent); font-weight: 400; text-decoration: underline; }
.row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.row form { margin: 0; }
.after { margin-top: 1rem; }
.terms { border-left: 3px solid var(--line); padding-left: 0.9rem; margin: 0 0 1rem; }
.terms p { margin: 0 0 0.4rem; }
.fine { color: var(--muted); font-size: 0.875rem; }
.notice { border-left: 3px solid var(--warn); padding-left: 0.9rem; }
.error { color: var(--danger); }
.address { font-size: 1.1rem; font-weight: 600; word-break: break-all; }
.enrollment-code {
  font: 600 1.35rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.05em;
  background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; padding: 0.75rem; text-align: center;
  user-select: all; word-break: break-all;
}
footer { margin-top: 2.5rem; color: var(--muted); font-size: 0.875rem; }
footer a { color: var(--muted); }