:root {
  --pac: #ffe600;
  --pac-bright: #fff39a;
  --pac-glow: rgba(255, 230, 0, 0.45);
  --wall: #1e90ff;
  --wall-bright: #5fb0ff;
  --cyan: #5fb0ff;
  --cyan-bright: #b5d8ff;
  --cyan-dim: rgba(95, 176, 255, 0.35);
  --cyan-glow: rgba(95, 176, 255, 0.5);
  --bg: #05050f;
  --panel: rgba(10, 14, 32, 0.72);
  --text: #e8eeff;
  --text-dim: #6c83ff;
  --danger: #ff4d6d;
  --danger-glow: rgba(255, 77, 109, 0.45);
  --blinky: #ff2d2d;
  --pinky: #ff9ce0;
  --inky: #4be0ff;
  --clyde: #ffa033;
}

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

html, body {
  height: 100%;
  background: #000;
  font-family: "Courier New", "Lucida Console", Monaco, monospace;
  color: #fff;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 30%, #0b1030 0%, #02020a 60%, #000 100%);
  touch-action: none;
}

#stage {
  position: relative;
  /* Scale to fill viewport while maintaining 580:720 aspect ratio.
     Uses min() so the stage never overflows in either dimension. */
  width: min(100vw, calc(100vh * 580 / 720));
  height: min(100vh, calc(100vw * 720 / 580));
  aspect-ratio: 580 / 720;
  box-shadow:
    0 0 0 2px #161640,
    0 0 60px rgba(80, 120, 255, 0.35),
    0 20px 80px rgba(0, 0, 0, 0.8);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg);
}

/* CRT scanline overlay — extremely subtle horizontal lines + faint vignette.
   Sits above the canvas but below overlays so it textures everything.
   Pseudo-element so it doesn't affect layout. */
#stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0) 0,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0.08) 3px,
      rgba(0, 0, 0, 0.08) 3px
    ),
    radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
  mix-blend-mode: multiply;
  opacity: 0.6;
}
@media (prefers-reduced-motion: reduce) {
  /* Scanlines stay — they're static texture, not motion. */
}

/* Controls bar — pause + music icons grouped top-right. Icon-only by design:
   during gameplay the player's attention is on the maze; text labels compete
   for visual real estate. Icons + consistent positioning + Fitts-sized
   targets win. Hover/long-press surfaces the label as a tooltip. */
.controls-bar {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 100;
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--cyan-dim);
  border-radius: 22px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 16px rgba(95, 176, 255, 0.1);
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--cyan-bright);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 18px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.08s;
  -webkit-tap-highlight-color: transparent;
}
.icon-btn .ic {
  width: 16px;
  height: 16px;
  display: block;
  filter: drop-shadow(0 0 4px currentColor);
}
.icon-btn .ic .ic-bar,
.icon-btn .ic .ic-head {
  fill: currentColor;
}
.icon-btn:hover {
  background: rgba(95, 176, 255, 0.18);
  border-color: var(--cyan-dim);
  color: #fff;
  box-shadow: 0 0 14px var(--cyan-glow);
}
.icon-btn:active {
  transform: scale(0.94);
}
.icon-btn.hidden { display: none !important; }

/* Tooltip: hidden by default, shows on hover (desktop). */
.icon-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  padding: 4px 9px;
  font-family: "Courier New", monospace;
  font-size: 9px;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: var(--cyan-bright);
  background: var(--panel);
  border: 1px solid var(--cyan-dim);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s;
}
.icon-btn:hover::after {
  opacity: 1;
  transform: translateY(0);
}
@media (hover: none) {
  /* On touch devices, no hover tooltip. Long-press handled in JS. */
  .icon-btn::after { display: none; }
}

/* Muted state: icon strike-through in --danger + desaturated icon. */
.icon-btn.muted {
  color: #5a6580;
}
.icon-btn.muted .ic {
  filter: none;
}
.icon-btn.muted .ic-strike {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 2px;
  background: var(--danger);
  border-radius: 1px;
  transform: translate(-50%, -50%) rotate(-45deg);
  box-shadow: 0 0 6px var(--danger-glow);
  animation: strike-in 0.18s ease-out;
}
@keyframes strike-in {
  from { transform: translate(-50%, -50%) rotate(-45deg) scaleX(0); }
  to { transform: translate(-50%, -50%) rotate(-45deg) scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .icon-btn.muted .ic-strike { animation: none; }
}

@media (max-width: 420px) {
  .controls-bar {
    top: 8px;
    right: 8px;
    padding: 3px;
  }
  .icon-btn { width: 30px; height: 30px; }
  .icon-btn .ic { width: 15px; height: 15px; }
}

/* ===== Ability button (Phase 5) =====
   Bottom-right tap target for touch devices. Appears only when the player
   is holding an ability (jump or bomb). Positioned in the bottom-right
   thumb-reach zone, raised ABOVE the HUD's bottom row so it never overlaps
   the LV/DIST/POWER readouts.

   Structure (text is OUTSIDE the icon, per design feedback):
     .ability-btn   — flex column container (icon circle on top, label below)
       ::before     — the circular icon button (colored, glowing, holds SVG)
       ::after      — a separate "SPACE" pill label below the circle

   The icon and the SPACE label are distinct elements: the icon is a pure
   graphic, the label is pure text. Neither crowds the other. */
.ability-btn {
  position: absolute;
  /* Raised so the full stack (circle + label) clears the HUD bottom row,
     which occupies roughly the bottom 50px on the right side. */
  right: 16px;
  bottom: 62px;
  z-index: 90;
  width: 60px;
  /* Container holds the circle + label stacked; height is auto so both fit. */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.ability-btn::before {
  /* The circular icon button. This is the only colored/glowing part; the
     label below is plain. 54px hits a comfortable thumb target. */
  content: '';
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
  background: rgba(20, 30, 50, 0.78);
  display: block;
  background-size: 62% 62%;
  background-repeat: no-repeat;
  background-position: center;
  backdrop-filter: blur(4px);
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.6);
  transition: transform 0.08s, box-shadow 0.15s, background 0.2s, border-color 0.2s;
}
.ability-btn::after {
  /* "SPACE" label — a separate pill below the icon circle, NOT inside it.
     Small, high-contrast, reads as a keyboard-hint chip. */
  content: 'SPACE';
  font-family: "Courier New", monospace;
  font-size: 9px;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 2px 7px;
  line-height: 1.2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}
.ability-btn.is-jump::before {
  background-color: rgba(40, 120, 60, 0.88);
  border-color: rgba(120, 255, 180, 0.75);
  box-shadow: 0 0 18px rgba(80, 220, 120, 0.55), inset 0 0 10px rgba(120, 255, 180, 0.3);
  /* Coiled spring matching the in-game jump pellet. Same visual recipe:
     a helical coil drawn as alternating dark back halves (#1f7a3a) and bright
     front halves (#7aea9c) so the coil reads as 3D, a thin specular thread
     (#dcffe6) riding the front, a wide dark base plate (#0e3a1c) at the
     foot, and a bright gradient top cap with a white shine spot. Colours are
     lifted verbatim from drawJumpPellet in game.js. */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><defs><linearGradient id='cap' x1='0' y1='0' x2='0' y2='1'><stop offset='0' stop-color='%23e8ffee'/><stop offset='0.5' stop-color='%237aea9c'/><stop offset='1' stop-color='%232c8a4a'/></linearGradient></defs><path d='M5.5 20.5 Q12 22.5 18.5 20.5' stroke='%230e3a1c' stroke-width='2.4' fill='none' stroke-linecap='round'/><path d='M6 8.5 Q9 7 12 8.5 Q15 10 18 8.5' stroke='%231f7a3a' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 12 Q9 10.5 12 12 Q15 13.5 18 12' stroke='%231f7a3a' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 15.5 Q9 14 12 15.5 Q15 17 18 15.5' stroke='%231f7a3a' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 8.5 Q9 10 12 8.5' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M12 8.5 Q15 7 18 8.5' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 12 Q9 13.5 12 12' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M12 12 Q15 10.5 18 12' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 15.5 Q9 17 12 15.5' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M12 15.5 Q15 14 18 15.5' stroke='%237aea9c' stroke-width='1.7' fill='none' stroke-linecap='round'/><path d='M6 9.1 Q9 10.5 12 9.1' stroke='%23dcffe6' stroke-width='0.5' fill='none' stroke-linecap='round' opacity='0.85'/><path d='M12 9.1 Q15 7.6 18 9.1' stroke='%23dcffe6' stroke-width='0.5' fill='none' stroke-linecap='round' opacity='0.85'/><path d='M6 12.6 Q9 14 12 12.6' stroke='%23dcffe6' stroke-width='0.5' fill='none' stroke-linecap='round' opacity='0.85'/><path d='M12 12.6 Q15 11.1 18 12.6' stroke='%23dcffe6' stroke-width='0.5' fill='none' stroke-linecap='round' opacity='0.85'/><ellipse cx='12' cy='5.5' rx='6' ry='1.4' fill='url(%23cap)' stroke='%231a5a32' stroke-width='0.5'/><ellipse cx='10.3' cy='5.2' rx='1.9' ry='0.4' fill='%23ffffff' opacity='0.6'/></svg>");
}
.ability-btn.is-bomb::before {
  background-color: rgba(60, 24, 16, 0.9);
  border-color: rgba(255, 170, 80, 0.78);
  box-shadow: 0 0 18px rgba(255, 110, 30, 0.55), inset 0 0 10px rgba(255, 170, 80, 0.3);
  /* Bomb matching the in-game bomb pellet. Same visual recipe: a near-black
     sphere with an offset radial highlight (#5a3838 -> #1a0e0e -> #080404),
     a warm lower-right rim-light arc, a soft upper-left specular, a dark
     curving fuse stem (#3a2418), and a layered spark — outer halo, orange
     core, white-hot centre. Colours lifted from drawBombPellet in game.js. */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><defs><radialGradient id='bomb' cx='0.35' cy='0.32' r='0.8'><stop offset='0' stop-color='%235a3838'/><stop offset='0.55' stop-color='%231a0e0e'/><stop offset='1' stop-color='%23080404'/></radialGradient><radialGradient id='halo' cx='0.5' cy='0.5' r='0.5'><stop offset='0' stop-color='%23ffc850' stop-opacity='0.85'/><stop offset='0.5' stop-color='%23ff8a30' stop-opacity='0.35'/><stop offset='1' stop-color='%23ff6e1e' stop-opacity='0'/></radialGradient><radialGradient id='spark' cx='0.5' cy='0.5' r='0.5'><stop offset='0' stop-color='%23ffffdc'/><stop offset='0.4' stop-color='%23ffb450'/><stop offset='1' stop-color='%23ff7a1e'/></radialGradient></defs><circle cx='17' cy='5.5' r='4.4' fill='url(%23halo)'/><circle cx='11.5' cy='15' r='6.2' fill='url(%23bomb)'/><path d='M6.3 14.4 A6.2 6.2 0 0 1 13 9' stroke='rgba(255,130,50,0.6)' stroke-width='0.9' fill='none' stroke-linecap='round'/><ellipse cx='9.2' cy='12.5' rx='1.5' ry='0.9' fill='%23ffc8a0' opacity='0.45' transform='rotate(-30 9.2 12.5)'/><path d='M13.4 9.3 Q15 7 16.7 6' stroke='%233a2418' stroke-width='1.3' fill='none' stroke-linecap='round'/><circle cx='17' cy='5.5' r='1.6' fill='url(%23spark)'/><circle cx='17' cy='5.5' r='0.6' fill='%23ffffdc'/></svg>");
}
.ability-btn:active::before { transform: translateY(2px) scale(0.95); }
.ability-btn.hidden { display: none !important; }

#game {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--bg);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hidden { display: none !important; }

/* ===== HUD ===== */

#hud {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.hud-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hud-box.right { align-items: flex-end; }
.hud-box.center { align-items: center; }

.hud-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: #6c83ff;
  text-shadow: 0 0 6px rgba(80, 120, 255, 0.6);
}

/* Lives indicator — a row of small pac-icons. Each icon is a yellow circle
   with a mouth wedge cut by a triangle mask, giving the classic pac shape.
   Sized to match the hud-value baseline; fixed width so the row doesn't
   reflow when lives change. */
.lives-icons {
  display: flex;
  gap: 5px;
  min-height: 22px;
  align-items: center;
}
.life-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #fff7a0 0%, #ffe600 60%, #d4bd00 100%);
  /* Mouth wedge: a triangle cut from the right side via conic-gradient mask. */
  -webkit-mask: conic-gradient(from -35deg, transparent 0 70deg, #000 70deg);
          mask: conic-gradient(from -35deg, transparent 0 70deg, #000 70deg);
  box-shadow: 0 0 6px rgba(255, 230, 0, 0.6);
}

.hud-value {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 230, 0, 0.7);
  font-variant-numeric: tabular-nums;
}

#power-wrap .hud-value {
  color: #4be0ff;
  text-shadow: 0 0 10px rgba(75, 224, 255, 0.9);
}

/* ===== Screen overlays ===== */

.overlay-screen {
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px;
  background:
    radial-gradient(ellipse at center, rgba(8, 12, 40, 0.7) 0%, rgba(0, 0, 0, 0.92) 100%);
  backdrop-filter: blur(2px);
}

.title-glitch {
  font-size: clamp(48px, 13vw, 78px);
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--pac);
  text-shadow:
    0 0 12px rgba(255, 230, 0, 0.9),
    0 0 32px rgba(255, 200, 0, 0.55),
    0 0 64px rgba(255, 180, 0, 0.3),
    -3px 0 0 rgba(75, 224, 255, 0.78),
    3px 0 0 rgba(255, 77, 109, 0.78);
  margin-bottom: 6px;
  line-height: 1;
  animation: title-pulse 4s ease-in-out infinite;
}
.title-glitch .dash {
  color: #fff;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.9),
    0 0 22px rgba(255, 255, 255, 0.5);
}
@keyframes title-pulse {
  0%, 100% {
    text-shadow:
      0 0 12px rgba(255, 230, 0, 0.9),
      0 0 32px rgba(255, 200, 0, 0.55),
      0 0 64px rgba(255, 180, 0, 0.3),
      -3px 0 0 rgba(75, 224, 255, 0.78),
      3px 0 0 rgba(255, 77, 109, 0.78);
  }
  50% {
    text-shadow:
      0 0 18px rgba(255, 230, 0, 1),
      0 0 42px rgba(255, 200, 0, 0.7),
      0 0 90px rgba(255, 180, 0, 0.4),
      -4px 0 0 rgba(75, 224, 255, 0.95),
      4px 0 0 rgba(255, 77, 109, 0.95);
  }
}
@media (prefers-reduced-motion: reduce) {
  .title-glitch { animation: none; }
}

.subtitle {
  font-size: 13px;
  letter-spacing: 3px;
  color: #8da0ff;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.controls {
  margin-bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ctrl-row {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #b5c4ff;
  letter-spacing: 1px;
}

.ctrl-label {
  color: #7a8ad6;
  font-size: 11px;
  letter-spacing: 2px;
  margin: 0 4px;
  text-transform: uppercase;
}

.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  border: 1px solid #4a5eaa;
  border-radius: 4px;
  background: linear-gradient(180deg, #1c2447 0%, #0c1230 100%);
  color: #d6e0ff;
  font-size: 12px;
  font-weight: bold;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.4), 0 0 6px rgba(80, 120, 255, 0.3);
}
.key.sm { min-width: 0; padding: 0 8px; height: 20px; font-size: 10px; }

.arcade-btn {
  position: relative;
  margin-top: 10px;
  padding: 14px 52px;
  font-family: inherit;
  font-size: clamp(15px, 3.6vw, 18px);
  font-weight: bold;
  letter-spacing: 3px;
  color: var(--bg);
  background: var(--pac);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  box-shadow:
    0 0 0 2px var(--pac-bright),
    0 0 28px var(--pac-glow),
    0 6px 0 #b89a00,
    0 8px 22px rgba(255, 230, 0, 0.25);
  transition: transform 0.08s ease-out, box-shadow 0.15s, background 0.15s;
  text-transform: uppercase;
  animation: cta-glow 2.6s ease-in-out infinite;
}
.arcade-btn::before,
.arcade-btn::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: inherit;
  font-size: 0.62em;
  font-weight: 900;
  color: var(--bg);
  letter-spacing: -3px;
  opacity: 0.55;
  transition: opacity 0.15s, transform 0.18s ease-out;
  pointer-events: none;
}
.arcade-btn::before { content: "▶▶"; left: 14px; }
.arcade-btn::after { content: "◀◀"; right: 14px; }

@keyframes cta-glow {
  0%, 100% {
    box-shadow:
      0 0 0 2px var(--pac-bright),
      0 0 22px var(--pac-glow),
      0 6px 0 #b89a00,
      0 8px 22px rgba(255, 230, 0, 0.2);
  }
  50% {
    box-shadow:
      0 0 0 2px var(--pac-bright),
      0 0 36px rgba(255, 230, 0, 0.75),
      0 6px 0 #b89a00,
      0 8px 28px rgba(255, 230, 0, 0.35);
  }
}
.arcade-btn:hover {
  animation: none;
  background: var(--pac-bright);
  box-shadow:
    0 0 0 2px #fff,
    0 0 40px rgba(255, 230, 0, 0.9),
    0 6px 0 #b89a00,
    0 10px 30px rgba(255, 230, 0, 0.4);
}
.arcade-btn:hover::before { opacity: 0.95; transform: translateY(-50%) translateX(2px); }
.arcade-btn:hover::after { opacity: 0.95; transform: translateY(-50%) translateX(-2px); }
.arcade-btn:active {
  transform: translateY(4px);
  box-shadow:
    0 0 0 2px var(--pac-bright),
    0 0 16px var(--pac-glow),
    0 2px 0 #b89a00;
}
@media (prefers-reduced-motion: reduce) {
  .arcade-btn,
  .arcade-btn::before,
  .arcade-btn::after { animation: none; transition: none; }
}

.hint {
  margin-top: 12px;
  font-size: 11px;
  color: #6c7bb5;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== Game Over ===== */

.go-title {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--blinky);
  text-shadow:
    0 0 14px rgba(255, 45, 45, 0.9),
    0 0 30px rgba(255, 45, 45, 0.5),
    2px 0 0 rgba(75, 224, 255, 0.6),
    -2px 0 0 rgba(255, 230, 0, 0.6);
  margin-bottom: 24px;
}

.pause-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 24px);
  font-size: clamp(36px, 9vw, 56px);
  font-weight: 900;
  letter-spacing: clamp(4px, 1.4vw, 8px);
  color: var(--cyan-bright);
  text-shadow:
    0 0 12px rgba(75, 224, 255, 0.9),
    0 0 30px rgba(75, 224, 255, 0.5),
    -2px 0 0 rgba(255, 230, 0, 0.65),
    2px 0 0 rgba(255, 77, 109, 0.6);
  margin-bottom: 24px;
  line-height: 1;
  animation: pause-pulse 3.2s ease-in-out infinite;
}
.pause-title .pause-flank {
  font-size: 0.55em;
  color: var(--cyan);
  letter-spacing: -2px;
  opacity: 0.65;
  text-shadow: 0 0 8px currentColor;
}
@keyframes pause-pulse {
  0%, 100% { opacity: 0.92; }
  50% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .pause-title { animation: none; }
}

/* ===== OPTIONS panel (shared by title + pause) =====
   Groups settings-style rows (music, fullscreen) into a translucent card.
   Inside, .option-row uses grid: [label | control | optional key hint]. */
.options-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
  margin-bottom: 18px;
  padding: 14px 18px 16px;
  width: min(100%, 380px);
  border: 1px solid var(--cyan-dim);
  border-radius: 6px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 24px rgba(95, 176, 255, 0.08);
}

.options-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.options-divider::before,
.options-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--cyan-dim) 50%,
    transparent
  );
}

.option-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 12px;
}

.option-label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: left;
  text-shadow: 0 0 6px rgba(108, 131, 255, 0.3);
}

.option-key {
  font-family: inherit;
  font-size: 9px;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 2px 6px;
  border: 1px solid var(--cyan-dim);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.35);
  text-transform: uppercase;
}

/* ===== Fullscreen toggle (.fs-toggle) =====
   State pill: hollow dot when OFF, filled cyan when ON. Same component in
   title OPTIONS and pause OPTIONS — single mental model. */
.fs-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-self: start;
  padding: 5px 12px 5px 10px;
  font-family: inherit;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: var(--cyan);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--cyan-dim);
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
  text-transform: uppercase;
}
.fs-toggle .fs-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  background: transparent;
  transition: background 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
}
.fs-toggle .fs-state {
  min-width: 26px;
  text-align: left;
}
.fs-toggle:hover {
  background: rgba(95, 176, 255, 0.12);
  color: var(--cyan-bright);
}
.fs-toggle.active {
  background: var(--cyan);
  color: var(--bg);
  border-color: var(--cyan);
  box-shadow:
    0 0 14px var(--cyan-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.fs-toggle.active .fs-dot {
  background: var(--bg);
  border-color: var(--bg);
  box-shadow: 0 0 4px var(--bg);
}
.fs-toggle.active:hover {
  background: var(--cyan-bright);
  color: var(--bg);
}

/* ===== Zone intermission =====
   3-phase reveal modulated by phase classes added in update():
   - .phase-cleared: "ZONE N CLEARED" headline visible (0.0–0.7s)
   - .phase-name:    "ENTERING ZONE N+1 / NAME / TAGLINE / SWATCH" fades in (0.7–2.4s)
   - .phase-ready:   "READY" pulse appears (2.4–3.8s)
   At 3.8s the overlay is hidden and the game resumes in the new zone. */

#zoneintermission {
  /* Vertically biased toward upper third; more visual weight below the focal
     name so the layout doesn't read as cramped at the top. */
  justify-content: flex-start;
  padding-top: 12vh;
}

.zi-card {
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}

.zi-cleared {
  font-size: clamp(22px, 6vw, 38px);
  font-weight: 900;
  letter-spacing: 4px;
  color: #b5c4ff;
  text-shadow: 0 0 14px rgba(75, 224, 255, 0.7);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
#zoneintermission.phase-cleared .zi-cleared {
  opacity: 1;
  transform: translateY(0);
}

.zi-name {
  font-size: clamp(14px, 4vw, 20px);
  font-weight: 700;
  letter-spacing: 3px;
  color: #8da0ff;
  opacity: 0;
  transition: opacity 0.2s ease;
}
#zoneintermission.phase-name .zi-name {
  opacity: 1;
}

.zi-title {
  /* The focal point — the upcoming zone's name in palette accent. */
  font-size: clamp(36px, 11vw, 60px);
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--pac);
  text-shadow:
    0 0 14px rgba(255, 230, 0, 0.9),
    0 0 32px rgba(255, 200, 0, 0.5);
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
#zoneintermission.phase-name .zi-title {
  opacity: 1;
  transform: scale(1);
}

.zi-tagline {
  /* One-line description of the zone's mechanic. Inline colour is set per
     zone in showZoneIntermission() using the upcoming zone's accent. Kept
     short since the modal is only visible ~2.6s. */
  font-size: clamp(13px, 3.6vw, 20px);
  font-weight: 600;
  font-style: italic;
  letter-spacing: 1.5px;
  color: #b5c4ff;
  text-shadow: 0 0 8px rgba(120, 160, 255, 0.5);
  max-width: 90%;
  line-height: 1.3;
  margin-top: -4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
#zoneintermission.phase-name .zi-tagline {
  opacity: 1;
}

.zi-swatch {
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
#zoneintermission.phase-name .zi-swatch {
  opacity: 1;
}
.zi-chip {
  width: clamp(20px, 6vw, 32px);
  height: clamp(20px, 6vw, 32px);
  border-radius: 4px;
  box-shadow:
    0 0 10px rgba(0, 0, 0, 0.5),
    inset 0 0 6px rgba(255, 255, 255, 0.25);
}

.zi-ready {
  font-size: clamp(20px, 6vw, 32px);
  font-weight: 900;
  letter-spacing: 8px;
  color: #fff;
  text-shadow: 0 0 16px rgba(255, 255, 255, 0.8);
  opacity: 0;
  margin-top: 8px;
}
#zoneintermission.phase-ready .zi-ready {
  animation: zi-ready-pulse 0.9s ease-in-out infinite;
}

@keyframes zi-ready-pulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.08); }
}

/* Danger button — "RETURN TO TITLE" / exit-style actions.
   Transparent with red border + red icon. We intentionally don't fill red:
   a saturated red fill reads as "delete" / "destructive", too alarming for
   a non-destructive navigation action. The icon carries the warning. */
.danger-btn {
  margin-top: 14px;
  padding: 11px 28px;
  font-family: inherit;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 2.5px;
  color: var(--danger);
  background: rgba(40, 12, 22, 0.55);
  border: 1px solid var(--danger-glow);
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 14px rgba(255, 77, 109, 0.18);
  transition: background 0.15s, color 0.15s, box-shadow 0.15s, border-color 0.15s;
  text-transform: uppercase;
  animation: none;
}
.danger-btn::before,
.danger-btn::after { content: none; }
.danger-btn .danger-icon {
  display: inline-block;
  margin-right: 8px;
  font-size: 1.15em;
  line-height: 1;
  text-shadow: 0 0 8px currentColor;
  transform: translateY(-1px);
}
.danger-btn:hover {
  background: rgba(255, 77, 109, 0.18);
  color: #ffe6ec;
  border-color: var(--danger);
  box-shadow: 0 0 22px var(--danger-glow);
}
.danger-btn:active {
  transform: translateY(2px);
  box-shadow: 0 0 10px rgba(255, 77, 109, 0.4);
}

.go-stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
  padding: 18px 32px;
  border: 1px solid #2a3666;
  border-radius: 4px;
  background: rgba(8, 12, 32, 0.6);
  box-shadow: inset 0 0 20px rgba(80, 120, 255, 0.15);
}

.go-stat {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  min-width: 200px;
  align-items: baseline;
}
.go-label {
  font-size: 11px;
  color: #6c83ff;
  letter-spacing: 3px;
}
.go-value {
  font-size: 22px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 230, 0, 0.6);
  font-variant-numeric: tabular-nums;
}

.record {
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 4px;
  color: var(--pac);
  text-shadow: 0 0 12px rgba(255, 230, 0, 0.9);
  margin-bottom: 14px;
  animation: blink 0.8s steps(2) infinite;
}

@keyframes blink {
  50% { opacity: 0.3; }
}

/* responsive — text sizes scale with viewport */
.title-glitch { font-size: clamp(40px, 11vw, 78px); }
.go-title { font-size: clamp(32px, 8vw, 52px); }
.subtitle { font-size: clamp(10px, 2.5vw, 13px); }
.arcade-btn { font-size: clamp(14px, 3.5vw, 18px); padding: clamp(10px, 2.5vw, 14px) clamp(24px, 6vw, 32px); }
.hud-value { font-size: clamp(16px, 4vw, 22px); }
.hud-label { font-size: clamp(9px, 2.2vw, 11px); }
.go-value { font-size: clamp(16px, 4.5vw, 22px); }

/* ===== Music selector + service icons (title screen) ===== */
/* Music selector now lives inside .option-row (grid: label | control | key).
   Only the .music-options segmented control needs styling here. */

.music-select {
  margin-top: 0;
}

.music-select-label {
  display: none;
}

.music-options {
  display: flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--cyan-dim);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
}

.music-option {
  padding: clamp(4px, 1vw, 5px) clamp(9px, 2.4vw, 12px);
  font-family: inherit;
  font-size: clamp(9px, 2vw, 10px);
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--cyan);
  background: transparent;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  text-transform: uppercase;
}

.music-option.active {
  background: var(--cyan);
  color: var(--bg);
  text-shadow: none;
  box-shadow:
    0 0 12px var(--cyan-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.music-option:hover:not(.active) {
  background: rgba(95, 176, 255, 0.12);
  color: var(--cyan-bright);
}

.music-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}

.music-credit {
  font-size: clamp(11px, 2.8vw, 14px);
  font-weight: bold;
  color: #ffe600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-align: center;
  text-shadow:
    0 0 8px rgba(255, 230, 0, 0.7),
    0 0 18px rgba(255, 200, 0, 0.4);
  line-height: 1.3;
}

.music-credit .small {
  display: block;
  margin-top: 3px;
  font-size: clamp(9px, 2vw, 11px);
  font-weight: normal;
  color: #fff39a;
  letter-spacing: 2px;
  text-shadow: 0 0 5px rgba(255, 243, 154, 0.5);
}

.music-icons {
  display: flex;
  gap: clamp(16px, 4vw, 28px);
  align-items: center;
}

.music-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(22px, 5vw, 30px);
  height: clamp(22px, 5vw, 30px);
  color: #8a9ac5;
  transition: color 0.2s, transform 0.2s, filter 0.2s;
  text-decoration: none;
}

.music-icon svg { width: 100%; height: 100%; }

.music-icon:hover {
  transform: scale(1.18);
  filter: drop-shadow(0 0 6px currentColor);
}

.music-icon.spotify:hover { color: #1DB954; }
.music-icon.youtube:hover { color: #FF0000; }

/* ---- Fullscreen mode ----
   document.body is the fullscreen element (not #stage) — the Fullscreen
   spec's UA stylesheet forces `width:100% !important; height:100% !important`
   on `:fullscreen:not(:root)` targets, which would distort #stage's 580:720
   canvas. body survives the stretch and its existing flex centering
   (`display:flex; align-items:center; justify-content:center`) keeps #stage
   aspect-correct via the min() width/height on #stage itself. */
body:fullscreen,
body:-webkit-full-screen {
  background: #000;
}