:root {
  --bg: #000;
  --fg: #ededed;
  --dim: #9a9a9a;
  --line: #3a3a3a;
  --error: #ff6b6b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 40px 16px calc(40px + env(safe-area-inset-bottom));
}

h1 {
  margin: 0 0 24px;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: .3em;
}

.field { display: block; margin-bottom: 32px; }

.field > span {
  display: block;
  margin-bottom: 8px;
  color: var(--dim);
  font-size: 12px;
}

input, textarea, select {
  width: 100%;
  padding: 8px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  letter-spacing: inherit;
  outline: none;
  resize: none;
  text-transform: none;
  letter-spacing: normal;
  font-size: 16px;
}

textarea { display: block; overflow: hidden; }

input:focus, textarea:focus, select:focus { border-bottom-color: var(--fg); }

.about { margin-bottom: 40px; color: var(--dim); font-size: 12px; }

.about p { margin: 0 0 14px; }

.check { display: flex; align-items: flex-start; gap: 12px; font-size: 12px; }

.check input { flex: none; width: 18px; height: 18px; margin: 0; accent-color: var(--fg); }

.status { color: var(--dim); font-size: 12px; }

.error { margin: 6px 0 0; color: var(--error); font-size: 12px; }

.error:empty { display: none; }

select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 24px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23ededed'/%3E%3C/svg%3E") no-repeat right 4px center;
  cursor: pointer;
}

select option { background: var(--bg); color: var(--fg); }

.invalid input, .invalid textarea, .invalid select { border-bottom-color: var(--error); }

.invalid .check span { color: var(--error); }

h2 { margin: 40px 0 16px; font-size: 14px; font-weight: 400; color: var(--dim); }

.dim { color: var(--dim); }

button {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--fg);
  border-radius: 0;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

button:disabled { opacity: .5; }

.primary { background: var(--fg); color: var(--bg); }

.secondary { background: transparent; color: var(--fg); }

.done { margin: 0 0 32px; padding: 16px; border: 1px solid var(--fg); font-size: 16px; }

.answer { margin-bottom: 20px; }

.answer span { color: var(--dim); font-size: 12px; }

.answer p { margin: 4px 0 0; text-transform: none; letter-spacing: normal; white-space: pre-wrap; overflow-wrap: anywhere; }