:root {
  --bg: #f5f2ea;
  --surface: #fffdfa;
  --ink: #1d1b18;
  --muted: #6a6358;
  --accent: #0a5c63;
  --accent-strong: #063e43;
  --border: #ddd3c5;
  --error: #a4321a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, #efe4cf 0, transparent 28rem),
    linear-gradient(180deg, #f7f4ec 0%, var(--bg) 100%);
  color: var(--ink);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.card {
  width: min(100%, 34rem);
  background: rgba(255, 253, 250, 0.95);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow: 0 1.25rem 3rem rgba(46, 31, 10, 0.08);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  line-height: 1.05;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.field-help {
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--muted);
  font-weight: 400;
}

.field-shell[hidden] {
  display: none;
}

input {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.95rem 1.25rem;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

.notice.error {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 0.8rem;
  background: #fff2ef;
  color: var(--error);
  border: 1px solid #efc0b6;
}

.turnstile-shell {
  display: flex;
  justify-content: center;
}

.token {
  overflow-x: auto;
  margin: 1rem 0 0;
  padding: 1rem;
  border-radius: 0.8rem;
  background: #161616;
  color: #f4f0e8;
  font-size: 1rem;
}