@font-face {
  font-family: "Orbitron";
  src: url("fonts/Orbitron-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Orbitron";
  src: url("fonts/Orbitron-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Orbitron";
  src: url("fonts/Orbitron-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #1a0c0a;
  --paper: #f3ddb4;
  --sun: #ff7a2a;
  --amber: #ffcc33;
  --muted: #c49a6c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--ink);
  color: var(--paper);
  font-family: Orbitron, "Arial Narrow", Impact, sans-serif;
  overflow: hidden;
}

#view {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: none;
}

#hud {
  position: fixed;
  inset: 12px 12px auto 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  pointer-events: none;
  z-index: 2;
}

.cluster {
  display: grid;
  gap: 8px;
}

.readout {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: baseline;
  gap: 8px;
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  padding: 6px 10px 5px;
  min-width: 168px;
}

.readout .label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.readout strong {
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.readout .unit {
  font-size: 10px;
  color: var(--muted);
}

.boost-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  padding: 6px 10px;
}

.boost-wrap .label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.boost-track {
  height: 8px;
  background: #3a2218;
  overflow: hidden;
}

.boost-track i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #c45a18, var(--amber));
  transform-origin: left center;
}

.radio {
  display: grid;
  gap: 2px;
  min-width: 220px;
  max-width: min(42vw, 380px);
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  padding: 8px 12px 7px;
  text-align: right;
}

.radio .label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.radio strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.radio.off strong { color: var(--muted); }

.radio-keys {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.panel {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  background: linear-gradient(180deg, rgb(26 12 10 / 0.35), rgb(26 12 10 / 0.82));
  z-index: 3;
  text-align: center;
  padding: 24px;
}

.wordmark {
  margin: 0;
  font-size: clamp(48px, 10vw, 112px);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  text-shadow: 0 8px 0 #7a3a00, 0 0 40px rgb(255 122 42 / 0.45);
}

.wordmark.small {
  font-size: clamp(32px, 6vw, 64px);
  text-shadow: 0 4px 0 #7a3a00;
}

.tag, .hint {
  margin: 0;
  color: var(--paper);
  max-width: 36rem;
}

.tag { font-size: 15px; font-weight: 600; }
.hint { font-size: 12px; color: var(--muted); letter-spacing: 0.04em; }

.panel { cursor: auto; }

.mix {
  display: grid;
  gap: 8px;
  width: min(22rem, 86vw);
  margin: 4px 0 2px;
}

.opt {
  display: grid;
  grid-template-columns: 4.6rem 1fr 2.2rem;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  background: color-mix(in srgb, var(--ink) 72%, transparent);
  text-align: left;
  cursor: pointer;
}

.opt span:first-child {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.opt-val {
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  text-align: right;
}

.opt input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  margin: 0;
  background: #3a2218;
  outline: none;
  cursor: pointer;
}

.opt input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 16px;
  background: var(--amber);
  border: 0;
  cursor: pointer;
}

.opt input[type="range"]::-moz-range-thumb {
  width: 11px;
  height: 16px;
  background: var(--amber);
  border: 0;
  border-radius: 0;
  cursor: pointer;
}

.opt input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  background: transparent;
}

.opt input[type="range"]::-moz-range-track {
  height: 8px;
  background: transparent;
}

.opt input[type="range"]:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

.go {
  appearance: none;
  border: 0;
  background: var(--amber);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 14px 36px;
  cursor: pointer;
}

.go:hover, .go:focus-visible {
  background: #ffe27a;
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

.flash {
  position: fixed;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.3em;
  color: #ff4d2a;
  text-shadow: 0 4px 0 #4a1008;
  pointer-events: none;
  z-index: 4;
}

[hidden] { display: none !important; }

@media (max-width: 700px) {
  #hud { inset: 8px 8px auto 8px; }
  .readout strong { font-size: 18px; }
  .radio { min-width: 140px; }
}