:root {
  color-scheme: dark;
  --bg: #12140f;
  --card: #1c2016;
  --line: #34392a;
  --text: #f3efe2;
  --dim: #b2ad98;
  --amber: #e2a23a;
  --green: #b7d38a;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(800px 360px at 0% -10%, rgba(226, 162, 58, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
}

.car, .phone { display: none; }

html[data-role="car"] .car { display: grid; }
html[data-role="phone"] .phone { display: grid; }
html[data-role="car"] .forget { display: block; }
html[data-role="phone"] .forget { display: block; }

main {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.kicker {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--amber);
}

h1 {
  margin: 4px 0 18px;
  font-size: 40px;
  letter-spacing: -0.04em;
}

.car {
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

.stage {
  width: min(440px, 86vw);
  min-height: 280px;
  display: grid;
}

.stage > * { grid-area: 1 / 1; }

#qr {
  width: 100%;
  height: auto;
  background: #fff;
  padding: 18px;
  image-rendering: pixelated;
}

#unlock {
  width: 100%;
  min-height: 280px;
  margin: 0;
  font-size: 40px;
}

#spectrum {
  width: 100%;
  height: 280px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

#qr[hidden], #unlock[hidden], #spectrum[hidden],
.pair-link[hidden], .code[hidden], .hint[hidden] { display: none; }

.pair-link {
  display: block;
  margin: 0 0 8px;
  color: var(--text);
  font-size: 22px;
  line-height: 1.3;
  word-break: break-all;
  text-decoration: none;
}

.code {
  margin: 0;
  font: 620 34px/1.1 ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.14em;
}

#car-status, #phone-status {
  font-size: 22px;
  margin: 10px 0;
}

.hint {
  color: var(--dim);
  max-width: 46ch;
  line-height: 1.4;
}

button, select {
  font: inherit;
  color: var(--text);
  background: #12140e;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}

.primary {
  background: var(--amber);
  color: #241b09;
  border-color: var(--amber);
  font-weight: 700;
  font-size: 20px;
  padding: 16px 18px;
}

.phone { gap: 14px; max-width: 520px; }

.field {
  display: grid;
  gap: 6px;
  color: var(--dim);
}

select { font-size: 16px; }

.level {
  height: 10px;
  border-radius: 99px;
  background: #12140e;
  border: 1px solid var(--line);
  overflow: hidden;
}

.level span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--green);
}

.faq {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}

.faq[hidden] { display: none; }

.faq details[hidden] { display: none; }

.faq details + details { margin-top: 12px; }

.faq h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.faq summary {
  cursor: pointer;
  font-size: 18px;
}

.faq p {
  margin: 8px 0 0;
  line-height: 1.45;
}

.forget { margin-top: 28px; }
.forget button { cursor: pointer; }

html[data-live="1"] #car-status { color: var(--green); }

html[data-role="car"][data-playing="1"] body { overflow: hidden; }

html[data-role="car"][data-playing="1"] header { display: none; }

html[data-role="car"][data-playing="1"] #car-status {
  position: fixed;
  z-index: 2;
  left: 16px;
  bottom: 16px;
  margin: 0;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(18, 20, 15, 0.82);
  color: var(--green);
}

html[data-role="car"][data-playing="1"] #spectrum {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  border: 0;
  border-radius: 0;
  background: var(--bg);
}

html[data-role="car"][data-playing="1"] .forget {
  position: fixed;
  z-index: 2;
  right: 16px;
  bottom: 16px;
  margin: 0;
}

@media (max-width: 720px) {
  .car { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
}