:root {
  color-scheme: dark;
  --bg: #0d0c0a;
  --surface: #1a1815;
  --border: #3d382e;
  --text: #f4efe4;
  --muted: #b3aa98;
  --gold: #d9ae3f;
  --gold-text: #1a1408;
  --gold-metal: linear-gradient(100deg, #efda7f, #c08806 55%, #f9ea97); /* From the logo's plate. */
  --error: #ff9a8b;
  --radius: 10px;
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(56rem 28rem at 50% -8rem, rgb(192 136 6 / 0.13), transparent 70%) no-repeat, var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 36px 20px 48px;
}

.logo {
  display: block;
  width: min(62vw, 260px);
  height: auto;
  margin: 0 auto 32px;
}

h1 {
  margin: 0 0 24px;
  font: 400 1.625rem/1.25 Georgia, "Times New Roman", serif;
  letter-spacing: 0.01em;
  text-align: center;
}

h1:focus { outline: none; }

.field {
  min-width: 0;
  margin: 0 0 20px;
  padding: 0;
  border: 0;
}

label, legend {
  display: block;
  padding: 0;
  margin-bottom: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
}

input[type="text"] {
  display: block;
  width: 100%;
  height: 52px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit; /* 16px stops iOS zooming in on focus. */
  transition: border-color 0.15s;
}

input[type="text"]:hover { border-color: #5a5344; }

input[type="text"]:focus {
  outline: 2px solid var(--gold);
  outline-offset: -1px;
  border-color: var(--gold);
}

/* Stop browser autofill painting a light box on the dark field. */
input:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  box-shadow: 0 0 0 100px var(--surface) inset;
  caret-color: var(--text);
}

.roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.roles label { margin: 0; cursor: pointer; }

.roles input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.roles span {
  display: grid;
  place-items: center;
  height: 52px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: border-color 0.15s, color 0.15s;
}

.roles label:hover span { border-color: #5a5344; color: var(--text); }

.roles input:checked + span {
  border-color: transparent;
  background: var(--gold-metal);
  color: var(--gold-text);
}

.roles input:focus-visible + span {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.field.invalid input[type="text"],
.field.invalid .roles span { border-color: var(--error); }

.error {
  margin: 6px 0 0;
  color: var(--error);
  font-size: 0.875rem;
}

.alert {
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--error);
  border-radius: var(--radius);
  color: var(--error);
  font-size: 0.9375rem;
}

button {
  display: block;
  width: 100%;
  height: 54px;
  margin-top: 4px;
  border: 0;
  border-radius: var(--radius);
  background: var(--gold-metal);
  color: var(--gold-text);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: filter 0.15s;
}

button:hover { filter: brightness(1.08); }

button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

button:disabled {
  cursor: progress;
  filter: saturate(0.5) brightness(0.8);
}

#done {
  text-align: center;
}

#done h1 { margin-bottom: 8px; }

#done p {
  margin: 0 0 28px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

#done strong { color: var(--text); font-weight: 600; }

#submit-another {
  border: 1px solid var(--border);
  background: none;
  color: var(--text);
  font-weight: 600;
}

#submit-another:hover { border-color: var(--gold); filter: none; }

.tick {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gold-metal);
  color: var(--gold-text);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}