:root {
  --cyan: #42e8ff;
  --cyan-hot: #7af6ff;
  --cyan-deep: #1ad4ea;
  --magenta: #ff6ae8;
  --magenta-hot: #ff4de0;
  --pink: #ff7ad9;
  --navy: #050314;
  --white: #f4fbff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #050314;
  color: var(--white);
  font-family: "Exo 2", "Rajdhani", "Trebuchet MS", sans-serif;
  user-select: none;
}

#stage {
  position: fixed;
  inset: 0;
  background: #050314;
}

#c {
  display: block;
  width: 100%;
  height: 100%;
}

.hidden { display: none !important; }

button { font-family: inherit; cursor: pointer; }

#float-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}
.floater {
  position: absolute;
  transform: translate(-50%, -100%);
  white-space: nowrap;
  pointer-events: none;
  font-family: "Orbitron", "Audiowide", sans-serif;
  letter-spacing: 0.06em;
  font-weight: 800;
  font-size: 16px;
  color: #7af6ff;
  text-shadow: 0 0 10px #42e8ff, 0 2px 0 #001018;
}
.floater.gem {
  color: #b8f4ff;
  font-size: 18px;
}
.floater.combo {
  color: #ff7ad9;
  font-size: 20px;
  text-shadow: 0 0 12px #ff4de0;
}

/* ========== HUD ========== */
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 8;
}

#hud-tl {
  position: absolute;
  left: 1.6%;
  top: 1.6%;
  width: min(340px, 28vw);
}

#title-img {
  display: block;
  width: 100%;
  max-width: 310px;
  height: auto;
  filter: drop-shadow(0 0 14px rgba(66, 232, 255, 0.45));
  pointer-events: none;
}

#score-line {
  margin-top: 4px;
  margin-left: 6px;
  font-family: "Orbitron", "Audiowide", sans-serif;
  font-weight: 800;
  font-size: clamp(15px, 1.7vw, 22px);
  letter-spacing: 0.14em;
  color: #7af6ff;
  text-shadow: 0 0 10px #42e8ff, 0 0 22px #1ad4ea;
}

#gem-row {
  display: flex;
  gap: 6px;
  margin: 8px 0 0 8px;
  align-items: center;
}
.gem {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(80, 220, 255, 0.7));
  transition: filter 0.2s, opacity 0.2s, transform 0.2s;
}
.gem.gem-off {
  opacity: 0.32;
  filter: grayscale(0.25) brightness(0.75) saturate(0.55);
}
.gem.gem-on {
  opacity: 1;
  transform: scale(1.06);
}

/* Contrale gauge — left middle, matching mockup */
#hud-gauge {
  position: absolute;
  left: 1.4%;
  top: 32%;
  width: 118px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.g-expand {
  font-family: "Orbitron", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: #d8f8ff;
  text-shadow: 0 0 8px #42e8ff;
  margin-bottom: 6px;
}

.g-icon-lg {
  width: 54px;
  height: 54px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(66, 232, 255, 0.7));
  margin-bottom: 6px;
}

.g-mid {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 6px;
  height: 168px;
}

.g-vlabel {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: "Orbitron", sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: #c9f6ff;
  text-shadow: 0 0 8px #42e8ff;
  align-self: center;
}

.g-track {
  width: 14px;
  height: 100%;
  border-radius: 10px;
  background: rgba(12, 8, 36, 0.55);
  box-shadow: 0 0 0 2px rgba(90, 230, 255, 0.28), 0 0 16px rgba(66, 232, 255, 0.25) inset;
  overflow: hidden;
  position: relative;
}
.g-track i {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(to top, #ff4da6 0%, #ff7ad9 35%, #7af0ff 100%);
  box-shadow: 0 0 10px #ff4de0, 0 0 16px #42e8ff;
  border-radius: 10px;
}

.g-arrow {
  color: #7af6ff;
  font-size: 22px;
  font-weight: 800;
  text-shadow: 0 0 10px #42e8ff;
  align-self: flex-start;
  margin-top: 8px;
  line-height: 1;
}

.g-icon-sm {
  width: 28px;
  height: 28px;
  object-fit: contain;
  opacity: 0.85;
  transform: scale(0.72);
  filter: drop-shadow(0 0 6px rgba(66, 232, 255, 0.6));
  margin-top: 4px;
}

.g-size {
  margin-top: 6px;
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #e8fbff;
  text-shadow: 0 0 8px #42e8ff;
}

/* Combo — bottom left */
#hud-combo {
  position: absolute;
  left: 2.2%;
  bottom: 3.6%;
}

.combo-lab {
  font-family: "Orbitron", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: #7af6ff;
  text-shadow: 0 0 10px #42e8ff;
}

.combo-num {
  font-family: "Orbitron", "Audiowide", sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 5vw, 54px);
  letter-spacing: 0.04em;
  color: #7af6ff;
  line-height: 0.9;
  text-shadow: 0 0 14px #42e8ff, 0 0 28px #1ad4ea;
}

.combo-track {
  margin-top: 8px;
  width: 168px;
  height: 14px;
  border-radius: 4px;
  background: rgba(8, 6, 28, 0.55);
  box-shadow: 0 0 0 2px rgba(90, 230, 255, 0.35), 0 0 12px rgba(66, 232, 255, 0.25);
  overflow: hidden;
  position: relative;
}
.combo-track i {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, #3cf0ff 0%, #5dff9a 28%, #ffe14a 58%, #ff7ad9 82%, #ff4de0 100%);
  box-shadow: 0 0 10px #42e8ff;
}

/* Stage — bottom right */
#hud-stage {
  position: absolute;
  right: 2.4%;
  bottom: 3.8%;
  text-align: right;
}

.stage-lab {
  font-family: "Orbitron", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: #d8f8ff;
  text-shadow: 0 0 10px #42e8ff;
  margin-bottom: 8px;
}

.stage-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}

.stage-track {
  width: 168px;
  height: 12px;
  border-radius: 8px;
  background: rgba(8, 6, 28, 0.55);
  box-shadow: 0 0 0 2px rgba(90, 230, 255, 0.28);
  overflow: hidden;
}
.stage-track i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff4de0 0%, #c080ff 40%, #7af0ff 100%);
  box-shadow: 0 0 10px #ff4de0;
}

#hud-pct {
  font-family: "Orbitron", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #e8fbff;
  text-shadow: 0 0 8px #42e8ff;
  min-width: 3.2em;
}

/* Banner / pause */
#banner {
  position: absolute;
  left: 50%;
  top: 18%;
  transform: translateX(-50%);
  z-index: 12;
  font-family: "Orbitron", "Audiowide", sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 40px);
  letter-spacing: 0.22em;
  color: #7af6ff;
  text-shadow: 0 0 16px #42e8ff, 0 0 32px #ff4de0;
  pointer-events: none;
  text-align: center;
}
#pause {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  background: rgba(4, 2, 16, 0.45);
  font-family: "Orbitron", sans-serif;
  font-size: 42px;
  letter-spacing: 0.4em;
  color: #7af6ff;
  text-shadow: 0 0 18px #42e8ff;
}

/* ========== MENU / RESULTS ========== */
#menu, #results {
  position: absolute;
  inset: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 70% 30%, rgba(80, 40, 140, 0.35), rgba(4, 2, 18, 0.55) 55%);
}

.menu-card {
  width: min(640px, 92vw);
  padding: 28px 36px 32px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(10, 8, 40, 0.72), rgba(6, 4, 28, 0.82));
  box-shadow: 0 0 0 1px rgba(90, 230, 255, 0.28), 0 0 40px rgba(80, 40, 180, 0.35);
  text-align: center;
}

.menu-title {
  width: min(420px, 80%);
  display: block;
  margin: 0 auto 6px;
  filter: drop-shadow(0 0 16px rgba(66, 232, 255, 0.5));
}
.menu-title.sm { width: min(280px, 60%); }

.menu-sub {
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: #ff6ae8;
  text-shadow: 0 0 10px #ff4de0;
  margin-bottom: 10px;
}

.menu-art {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 8px 0 12px;
}
#menu-hero {
  height: 176px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(66, 232, 255, 0.65));
}

.menu-blurb {
  font-size: 15px;
  line-height: 1.45;
  color: #d4e8ff;
  margin: 0 auto 18px;
  max-width: 520px;
}
.menu-blurb b { color: #7af6ff; }

#btn-play, #btn-again {
  pointer-events: auto;
  border: 0;
  padding: 12px 36px;
  border-radius: 999px;
  font-family: "Orbitron", sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.2em;
  color: #041018;
  background: linear-gradient(90deg, #7af6ff, #ff7ad9);
  box-shadow: 0 0 22px rgba(66, 232, 255, 0.55);
}
#btn-play:hover, #btn-again:hover { filter: brightness(1.08); }

.menu-controls {
  margin-top: 16px;
  font-size: 13px;
  color: #a8c8e8;
  line-height: 1.55;
}
kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(66, 232, 255, 0.12);
  box-shadow: 0 0 0 1px rgba(66, 232, 255, 0.35);
  font-family: "Orbitron", monospace;
  font-size: 11px;
  color: #7af6ff;
}

.title-word {
  font-family: "Orbitron", "Audiowide", sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.18em;
  color: #7af6ff;
  text-shadow: 0 0 14px #42e8ff;
  margin: 8px 0 4px;
}

.res-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin: 18px 0 22px;
  font-family: "Orbitron", sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #b8d8f0;
}
.res-grid b {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  color: #7af6ff;
  text-shadow: 0 0 10px #42e8ff;
}

@media (max-width: 820px) {
  #hud-gauge { transform: scale(0.82); transform-origin: top left; }
  .combo-num { font-size: 34px; }
  #gem-row .gem { width: 22px; height: 22px; }
}