:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #14161a;
  --muted: #5b6270;
  --line: #e2e5ea;
  --accent: #0c8a6b;
  --accent-text: #ffffff;
  --error: #b42318;
  --ok: #067647;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --card: #171a1f;
    --text: #eef0f3;
    --muted: #9aa1ad;
    --line: #2a2f37;
    --accent: #2fc59a;
    --accent-text: #06120e;
    --error: #f97066;
    --ok: #47cd89;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 16px 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.02em;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 6vw, 36px);
  line-height: 1.15;
}

.lede {
  margin: 0 0 28px;
  color: var(--muted);
}

.lede strong {
  color: var(--text);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

input {
  flex: 1 1 260px;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button {
  min-height: 44px;
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

#submit {
  width: 100%;
}

.captcha {
  min-height: 65px;
  margin: 16px 0;
}

.status {
  min-height: 1.5em;
  margin: 12px 0 0;
  overflow-wrap: anywhere;
}

.status.error {
  color: var(--error);
}

.status.ok {
  color: var(--ok);
}

.status a,
.meta a,
footer a {
  color: inherit;
}

.meta dl {
  margin: 0 0 16px;
  display: grid;
  gap: 12px;
}

.meta dt {
  color: var(--muted);
  font-size: 14px;
}

.meta dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 24px;
}