/* ============================================================
   scene-game.css — Gameplay screen: room BG + hologram, HUD/gauge,
   character stage, rhythm ring + push button, particles + flash,
   beat badge, combo popups, in-scene chrome (now-playing, sound).
   ============================================================ */

#scene-game {
  background: #9ED9CF; /* 画像ロード前のfallback＝壁の緑 */
  overflow: hidden;
}

/* --- Pixel-art room background with rhythm-synced parts --- */
.room-bg {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  height: 100%;
  aspect-ratio: 1067 / 1707;
  pointer-events: none;
  z-index: 0;
}
.room-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
}

.hologram-overlay {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(115deg,
      rgba(255,255,255,0.10) 0 2px, transparent 2px 6px,
      rgba(255,62,165,0.08) 6px 8px, transparent 8px 14px,
      rgba(62,232,255,0.08) 14px 16px, transparent 16px 24px);
  mix-blend-mode: screen;
  pointer-events: none;
  opacity: var(--holo-strength);
  animation: holoshift 6s linear infinite;
}
@keyframes holoshift { 0% { background-position: 0 0; } 100% { background-position: 200px 0; } }
.hologram-dots {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, #fff 1px, transparent 2px),
    radial-gradient(circle, #FFE600 1.5px, transparent 3px);
  background-size: 40px 40px, 70px 70px;
  background-position: 0 0, 20px 20px;
  opacity: calc(var(--holo-strength) * 0.5);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: twinkle 3s ease-in-out infinite alternate;
}
@keyframes twinkle {
  from { opacity: calc(var(--holo-strength) * 0.3); }
  to   { opacity: calc(var(--holo-strength) * 0.7); }
}

/* --- Y2K diagonal-stripe gauge (top) --- */
.hud {
  position: absolute; top: 50px; left: 14px; right: 14px;
  z-index: 10;
  display: flex; flex-direction: column; gap: 6px;
}
.gauge-label {
  /* 3-column grid (1fr auto 1fr) で % を完全中央固定。
     SCORE と timer は左右の列で justify-self で寄せる。 */
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 6px;
  font-family: 'Rubik Mono One', sans-serif;
  color: var(--deep);
  font-size: 9px; letter-spacing: 0.5px;
  text-shadow: 2px 2px 0 #fff;
  white-space: nowrap;
}
.gauge-label .label-txt {
  justify-self: start;
  font-family: 'Press Start 2P', 'Rubik Mono One', monospace;
  font-size: 9px;
  color: var(--deep);
  text-shadow: 2px 2px 0 #fff;
  letter-spacing: 1px;
}
.gauge-label .label-txt #tap-count {
  font-family: 'Press Start 2P', 'Rubik Mono One', monospace;
  color: #FF4DF6;
  font-size: 11px;
  margin-left: 4px;
  -webkit-text-stroke: 0;
}
.gauge-label .gauge-num {
  justify-self: center;
  font-family: 'Bagel Fat One', sans-serif;
  font-size: 16px;
  color: var(--deep);
  -webkit-text-stroke: 1px #fff;
}
.gauge-label .timer {
  justify-self: end;
  background: var(--deep);
  color: #FFE600;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  border: 2px solid #fff;
  text-shadow: none;
}

.gauge {
  position: relative;
  height: 30px;
  background: #fff;
  border: 3px solid var(--deep);
  border-radius: 6px;
  overflow: hidden;
  filter: drop-shadow(0 4px 0 var(--deep)) drop-shadow(0 8px 14px rgba(0,0,0,0.25));
}
/* Rectangular gauge (no clip pseudo-elements) */
.gauge::before { content: none; }
.gauge::after  { content: none; }
.gauge-track {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    #F79EFF 0 8px,
    #fff 8px 18px
  );
}
.gauge-fill {
  position: absolute; inset: 0;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(0);
  background: linear-gradient(90deg, #FF4DF6 0%, #B14BFF 50%, #8D8FFF 100%);
  transition: transform 0.15s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.gauge-fill-stripes {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255,255,255,0.55) 0 6px,
    transparent 6px 14px
  );
  pointer-events: none;
}
.gauge-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.5) 0%, transparent 50%, rgba(0,0,0,0.15) 100%);
  mix-blend-mode: overlay;
}
.gauge-shimmer {
  position: absolute; top: 0; bottom: 0; left: 0;
  width: 60px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
  animation: gaugeshim 1.4s linear infinite;
  pointer-events: none;
}
@keyframes gaugeshim {
  from { transform: translateX(-80px); }
  to   { transform: translateX(360px); }
}
.gauge-pulse {
  position: absolute; inset: 0;
  pointer-events: none;
  border-radius: 6px;
}
/* Two identical keyframes let us restart without void offsetWidth (just toggle class) */
@keyframes gaugePulse-a {
  0% { box-shadow: 0 0 0 0 rgba(255,77,246,0.8); }
  100% { box-shadow: 0 0 0 22px rgba(255,77,246,0); }
}
@keyframes gaugePulse-b {
  0% { box-shadow: 0 0 0 0 rgba(255,77,246,0.8); }
  100% { box-shadow: 0 0 0 22px rgba(255,77,246,0); }
}
.gauge-pulse.pulse-a { animation: gaugePulse-a 0.4s ease-out; }
.gauge-pulse.pulse-b { animation: gaugePulse-b 0.4s ease-out; }

/* Character — the star of the show, keep it big */
.char-stage {
  position: absolute;
  left: 50%; top: 48%;
  transform: translate(-50%, -50%);
  width: 400px; height: 440px;
  max-width: 96%;
  z-index: 5;
  pointer-events: none;
}
.char-img {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  max-width: 95%;
  height: auto;
  filter: drop-shadow(0 10px 14px rgba(42,11,74,0.3));
  /* transition: opacity removed — caused ghost artifacts on GIF swap */
}
.char-idle { animation: breathe 3s ease-in-out infinite; }
.char-happy { animation: bounce2 0.4s ease-in-out infinite; }
/* GIF stages have built-in animation — disable CSS scale/bounce to avoid clash */
.char-gif { animation: none; }
@keyframes breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.03); }
}
@keyframes bounce2 {
  0%, 100% { transform: translate(-50%, -50%) scale(1.05); }
  50% { transform: translate(-50%, -58%) scale(1.1); }
}

/* Combo popups */
.combo-layer { position: absolute; inset: 0; pointer-events: none; z-index: 20; overflow: hidden; }
.combo-pop {
  position: absolute;
  font-family: 'Bagel Fat One', sans-serif;
  color: #FFE600;
  -webkit-text-stroke: 3px var(--deep);
  paint-order: stroke;
  text-shadow: 0 4px 0 var(--deep), 4px 0 0 #FF3EA5;
  font-size: 38px;
  pointer-events: none;
  will-change: transform, opacity;
  white-space: nowrap;
}
.combo-pop.small { font-size: 26px; color: #fff; }
.combo-pop.big { font-size: 48px; color: #FF4DF6; }
.combo-pop.mega { font-size: 62px; color: #3EE8FF; text-shadow: 0 4px 0 var(--deep), 4px 0 0 #FFE600, -4px 0 0 #FF4DF6; }
.combo-pop.perfect {
  font-size: 56px;
  color: #FFE600;
  text-shadow: 0 4px 0 var(--deep), 3px 0 0 #FF4DF6, -3px 0 0 #8D8FFF;
}

/* Rhythm ring around push button */
.rhythm-wrap {
  position: relative;
  display: grid; place-items: center;
  width: 226px; height: 226px;
}
.rhythm-ring {
  position: absolute; left: 50%; top: 50%;
  width: 218px; height: 218px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 3px dashed rgba(255,255,255,0.7);
  box-shadow: inset 0 0 20px rgba(255,77,246,0.4);
  pointer-events: none;
}
/* shrinking indicator ring that converges on the beat */
.rhythm-indicator {
  position: absolute;
  left: 50%; top: 50%;
  width: 218px; height: 218px;
  transform: translate(-50%, -50%) scale(2);
  border-radius: 50%;
  border: 5px solid #FFE600;
  box-shadow: 0 0 20px rgba(255,230,0,0.6), inset 0 0 12px rgba(255,230,0,0.35);
  opacity: 1;
  pointer-events: none;
  will-change: transform, opacity;
  /* FEVER zone color flip: smooth yellow→red transition (rhythm.js sets inline
     borderColor each frame; the inline value is idempotent within a state, so
     the transition only fires when state.feverActive flips). */
  transition: border-color 220ms ease-out;
}
/* Beat tick marks on the outer ring */
.rhythm-ticks {
  position: absolute; left: 50%; top: 50%;
  width: 226px; height: 226px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.rhythm-ticks i {
  position: absolute;
  left: 50%; top: 4px;
  width: 4px; height: 12px;
  background: rgba(255,255,255,0.65);
  transform-origin: 50% 109px;
  border-radius: 2px;
}

/* Push button — FF4DF6 → 8D8FFF gradient */
.push-btn {
  position: relative;
  width: 138px; height: 138px;
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle at 35% 30%, #fff 0%, #FFB6FA 15%, #FF4DF6 55%, #B467FF 80%, #8D8FFF 100%);
  cursor: pointer;
  will-change: transform;
  box-shadow:
    inset 0 -10px 0 rgba(42,11,74,0.3),
    inset 0 8px 0 rgba(255,255,255,0.4),
    0 0 0 4px #fff,
    0 0 0 7px var(--deep),
    0 0 0 10px #FFE600,
    0 12px 0 var(--deep),
    0 20px 36px rgba(255,77,246,0.5);
  font-family: 'Bagel Fat One', sans-serif;
  color: #fff;
  font-size: 28px;
  letter-spacing: 2px;
  text-shadow: 0 3px 0 var(--deep), 0 -1px 0 #FFB6FA;
  -webkit-text-stroke: 2px var(--deep);
  z-index: 3;
  transition: transform 0.08s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.08s;
}
.push-btn:active, .push-btn.pressed {
  transform: scale(0.92) translateY(6px);
  box-shadow:
    inset 0 -6px 0 rgba(42,11,74,0.3),
    inset 0 4px 0 rgba(255,255,255,0.4),
    0 0 0 5px #fff,
    0 0 0 9px var(--deep),
    0 0 0 12px #FFE600,
    0 6px 0 var(--deep),
    0 10px 20px rgba(255,77,246,0.5);
}

.push-zone {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 36%;
  display: grid; place-items: end center;
  padding-bottom: 28px;
  z-index: 6;
}

/* ================== FEVER PHASE (gauge >= 60 → mash entry) ==================
   Persistent visual cues while #scene-game has the .fever class. The one-shot
   "FEVER!" text burst lives in overlays.css. JS guarantees this class is
   removed before .mash-mode/.finishing turn on, so no precedence conflicts. */
#scene-game.fever .gauge-fill {
  background: linear-gradient(90deg, #FFE600 0%, #FF8A00 50%, #FF4DF6 100%);
  animation: feverGaugePulse 0.7s ease-in-out infinite alternate;
}
@keyframes feverGaugePulse {
  0%   { filter: brightness(1)    saturate(1); }
  100% { filter: brightness(1.22) saturate(1.35); }
}
#scene-game.fever .push-btn {
  box-shadow:
    inset 0 -10px 0 rgba(42,11,74,0.3),
    inset 0 8px 0 rgba(255,255,255,0.4),
    0 0 0 4px #fff,
    0 0 0 7px var(--deep),
    0 0 0 10px #FF3370,
    0 12px 0 var(--deep),
    0 0 38px 12px rgba(255,51,112,0.65),
    0 20px 36px rgba(255,77,150,0.55);
  animation: feverBtnGlow var(--beat-duration, 560ms) ease-in-out infinite alternate;
  transition: box-shadow 220ms ease-out;
}
#scene-game.fever .push-btn:active,
#scene-game.fever .push-btn.pressed {
  box-shadow:
    inset 0 -6px 0 rgba(42,11,74,0.3),
    inset 0 4px 0 rgba(255,255,255,0.4),
    0 0 0 5px #fff,
    0 0 0 9px var(--deep),
    0 0 0 12px #FF3370,
    0 6px 0 var(--deep),
    0 0 24px 8px rgba(255,51,112,0.55),
    0 10px 20px rgba(255,77,150,0.55);
}
@keyframes feverBtnGlow {
  0%   { filter: brightness(1)    saturate(1); }
  100% { filter: brightness(1.12) saturate(1.18); }
}
/* Subtle warm scene tint above the floor — sits between room-bg(0) and char(5)
   so the rabbit reads cleanly on top. pointer-events:none keeps taps unblocked. */
#scene-game.fever::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at 50% 78%, rgba(255,200,0,0.22) 0%, transparent 55%);
  animation: feverSceneTint var(--beat-duration, 560ms) ease-in-out infinite alternate;
}
@keyframes feverSceneTint {
  0%   { opacity: 0.55; }
  100% { opacity: 1; }
}

/* ================== MASH MODE GAUGE INTENSIFICATION ==================
   猛プッシュ中は gauge fill が99→100 のわずかな移動しかしないので、
   色シフト＋輝度パルス＋外周グロウで「激しさ」を演出する。 */
#scene-game.mash-mode .gauge-fill {
  background:
    linear-gradient(90deg, #FF4DF6 0%, #FFE600 25%, #FF4DF6 50%, #FFE600 75%, #FF4DF6 100%);
  background-size: 200% 100%;
  animation:
    mashGaugeShift 0.5s linear infinite,
    mashGaugePulse 0.22s ease-in-out infinite alternate;
}
@keyframes mashGaugeShift {
  0%   { background-position:    0% 0%; }
  100% { background-position: -200% 0%; }
}
@keyframes mashGaugePulse {
  0%   { filter: brightness(1.05) saturate(1.2); }
  100% { filter: brightness(1.55) saturate(1.85); }
}
#scene-game.mash-mode .gauge {
  animation: mashBarGlow 0.28s ease-in-out infinite alternate;
}
@keyframes mashBarGlow {
  0%   { box-shadow: 0 0  6px 0 rgba(255,77,246,0.30); }
  100% { box-shadow: 0 0 22px 4px rgba(255,230,0,0.75),
                     0 0 12px 2px rgba(255,77,246,0.55); }
}
#scene-game.mash-mode .gauge-num {
  animation: mashNumPulse 0.22s ease-in-out infinite alternate;
}
@keyframes mashNumPulse {
  0%   { transform: scale(1)    rotate(0); }
  100% { transform: scale(1.18) rotate(-2deg); }
}

.ripple {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.8);
  pointer-events: none;
  animation: rippleExpand 0.6s ease-out forwards;
  z-index: 2;
}
@keyframes rippleExpand {
  0% { transform: translate(-50%, -50%) scale(0.9); opacity: 1; border-width: 6px; }
  100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; border-width: 1px; }
}

/* Beat judgment badge */
.beat-badge {
  position: absolute;
  top: 112px; left: 50%;
  transform: translate(-50%, -10px) scale(0.8);
  background: var(--deep);
  color: #FFE600;
  font-family: 'Bagel Fat One', sans-serif;
  font-size: 14px;
  padding: 4px 12px;
  border-radius: 100px;
  border: 2px solid #fff;
  letter-spacing: 1px;
  opacity: 0;
  pointer-events: none;
  z-index: 12;
}
.beat-badge.show   { animation: badgePop-a 0.8s ease-out forwards; }
.beat-badge.show-b { animation: badgePop-b 0.8s ease-out forwards; }
@keyframes badgePop-a {
  0% { opacity: 0; transform: translate(-50%, 6px) scale(0.5); }
  40% { opacity: 1; transform: translate(-50%, -10px) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -30px) scale(1); }
}
@keyframes badgePop-b {
  0% { opacity: 0; transform: translate(-50%, 6px) scale(0.5); }
  40% { opacity: 1; transform: translate(-50%, -10px) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -30px) scale(1); }
}
.beat-badge.perfect { background: #FFE600; color: #FF4DF6; }
.beat-badge.great   { background: #FF4DF6; color: #FFE600; }
.beat-badge.good    { background: #8D8FFF; color: #fff; }
.beat-badge.miss    { background: #555; color: #fff; }

/* particles */
.particles { position: absolute; inset: 0; pointer-events: none; z-index: 15; }
.particle {
  position: absolute; width: 14px; height: 14px;
  pointer-events: none; will-change: transform, opacity;
}

/* white flash */
.flash {
  position: absolute; inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  z-index: 30;
  mix-blend-mode: screen;
}

/* confetti canvas */
#confetti-canvas {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 40;
}

/* ================== NOW PLAYING (game scene only) ================== */
.now-playing {
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  padding: 0 20px;
  color: #fff;
  background: rgba(0, 0, 0, 0.75);
  border-radius: 9999px;
  white-space: nowrap;
  pointer-events: none;
  max-width: calc(100% - 100px);
  overflow: hidden;
  line-height: 1;
}
.now-playing:empty { display: none; }
.now-playing .np-note {
  font-family: 'DotGothic16', 'Zen Maru Gothic', sans-serif;
  font-size: 14px;
  color: #FFE600;
  line-height: 1;
  transform: translateY(-1px);
}
.now-playing .np-title {
  font-family: 'Press Start 2P', 'Rubik Mono One', monospace;
  font-size: 9px;
  letter-spacing: 1px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: pre;
}
.now-playing .np-char {
  display: inline-block;
  color: #FFB361;
  animation: np-slide-accent 3000ms step-end infinite;
  animation-delay: calc(var(--ir, 0) * 150ms);
}
/* 3-char sliding accent window (right→left). Rightmost char (--ir=0) lights up
   first, each step (150ms) the next char to its left joins for a 3-step overlap,
   creating a connected bright patch that travels across the whole title. */
@keyframes np-slide-accent {
  0%   { color: #F8FFAC; }
  15%  { color: #FFB361; }
  100% { color: #FFB361; }
}

/* ================== SOUND TOGGLE ================== */
.sound-toggle {
  position: absolute;
  top: 10px; left: 10px;
  z-index: 60;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--deep);
  background: #fff;
  color: var(--deep);
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--deep), 0 6px 12px rgba(0,0,0,0.25);
  transition: transform 0.08s, box-shadow 0.08s;
  padding: 0;
}
.sound-toggle:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--deep), 0 3px 6px rgba(0,0,0,0.25);
}
.sound-toggle svg { display: block; width: 18px; height: 18px; }
.sound-toggle .icon-muted { display: none; }
.sound-toggle.muted { background: #C39BFF; color: #fff; }
.sound-toggle.muted .icon-sound { display: none; }
.sound-toggle.muted .icon-muted { display: block; }
/* CTA scene has its own retry-link at top-right; hide sound toggle there */
.sound-toggle.hide-on-cta { display: none; }

@media (prefers-reduced-motion: reduce) {
  .hologram-dots, .hologram-overlay { animation: none !important; }
}