:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1b1b1a;
  --muted: #6b6a66;
  --line: #e4e2dc;
  --accent: #1f4fd1;
  --accent-ink: #ffffff;
  --green: #1f7a3d;
  --yellow: #a56b00;
  --red: #b3261e;
  --error-bg: #fbeceb;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --card: #1e1e1c;
    --ink: #ecebe7;
    --muted: #a3a29c;
    --line: #34332f;
    --accent: #7f9cff;
    --accent-ink: #0d0d0c;
    --green: #5fcf86;
    --yellow: #f0b84a;
    --red: #ff8a80;
    --error-bg: #3a1f1d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 700; letter-spacing: 0.2px; }
.brand span { color: var(--accent); }
.who { display: flex; gap: 12px; align-items: center; font-size: 14px; color: var(--muted); }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; margin-bottom: 16px;
}
h1 { font-size: 20px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
label { display: block; font-size: 14px; color: var(--muted); }
input, select {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 12px; padding: 8px 12px 10px; }
legend { font-size: 14px; color: var(--muted); padding: 0 4px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 12px; }
.check { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); }
.check input { width: auto; margin: 0; }
button {
  font: inherit; font-weight: 600; padding: 10px 16px; border-radius: 8px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
}
button:disabled { opacity: 0.6; cursor: wait; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 500; }
form > button { margin-top: 4px; }
#email-form, #code-form { margin-top: 12px; display: grid; gap: 12px; }
.row { display: flex; gap: 16px; align-items: center; }
.status { padding: 10px 14px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); }
.status[data-kind="error"] { background: var(--error-bg); border-color: var(--red); }
.headline { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.product { font-weight: 600; }
.offer { font-size: 26px; font-weight: 700; margin: 2px 0; }
.light { font-weight: 700; font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 2px solid currentColor; white-space: nowrap; }
.light[data-light="green"] { color: var(--green); }
.light[data-light="yellow"] { color: var(--yellow); }
.light[data-light="red"] { color: var(--red); }
.lines {
  margin: 0; padding: 12px; background: var(--bg); border-radius: 8px; border: 1px solid var(--line);
  font: 13px/1.5 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere;
}
.history { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.history-item { text-align: left; font-size: 14px; }
.foot { text-align: center; }