@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  --bats-red: #c8102e;
  --bats-black: #111111;
  --bats-white: #f5f5f0;
  --panel: rgba(10, 8, 14, 0.92);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #0a080e;
  color: var(--bats-white);
  font-family: 'Press Start 2P', 'Courier New', monospace;
  overscroll-behavior: none;
  touch-action: none;
}

#app {
  height: 100vh;
  height: var(--app-vh, 100svh);
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  overflow: hidden;
}

#gameFrame {
  position: relative;
  /* Fit inside whichever of viewport width/height is tighter, so the frame
     (and its touch controls) is never taller than the screen — critical for
     short landscape phone viewports, where scrolling is otherwise disabled.
     --app-vh (set in index.html) is the actual measured visible height,
     which is more reliable than dvh/svh on some mobile browser versions. */
  width: min(calc(100vw - 16px), calc((var(--app-vh, 100svh) - 16px) * (480 / 270)), 960px);
  aspect-ratio: 480 / 270;
  background: #000;
  border: 3px solid var(--bats-red);
  border-radius: 6px;
  box-shadow: 0 0 0 3px var(--bats-black), 0 10px 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  touch-action: none;
  flex-shrink: 0;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  cursor: pointer;
}

/* ---------------------------------------------------------------- overlays */

.overlay {
  position: absolute;
  inset: 0;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 16px;
  z-index: 20;
}

.overlay.hidden {
  display: none;
}

.overlay h1 {
  font-size: clamp(16px, 4.2vw, 28px);
  margin: 6px 0 2px;
  color: var(--bats-white);
  letter-spacing: 1px;
}

.overlay h1 .accent {
  color: var(--bats-red);
}

.overlay h2 {
  font-size: clamp(14px, 3.6vw, 22px);
  margin: 4px 0;
  color: var(--bats-red);
  text-shadow: 2px 2px 0 var(--bats-black);
}

.overlay .subtitle {
  font-size: clamp(8px, 2vw, 11px);
  color: #d8b8c0;
  margin: 0 0 6px;
}

.overlay .logo {
  image-rendering: pixelated;
  filter: drop-shadow(0 4px 0 rgba(0, 0, 0, 0.4));
}

.howto {
  font-size: clamp(6px, 1.6vw, 9px);
  line-height: 1.8;
  color: #c8c8d0;
  max-width: 90%;
}

.howto-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 12px 16px;
  max-width: 92%;
  margin: 4px 0 6px;
}

.howto-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(7px, 1.9vw, 10px);
  color: #e6e6ea;
  text-align: left;
}

.howto-icon {
  flex: 0 0 auto;
  min-width: 34px;
  text-align: center;
  font-size: clamp(9px, 2.4vw, 13px);
  color: var(--bats-white);
}

.confetti-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.confetti-piece {
  position: absolute;
  top: -12px;
  width: 6px;
  height: 10px;
  opacity: 0.95;
  animation: confettiFall linear forwards;
}

.confetti-piece.round {
  border-radius: 50%;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(340px) rotate(540deg);
    opacity: 0;
  }
}

.score-line {
  font-size: clamp(9px, 2.2vw, 13px);
  color: #ffd76a;
}

.pixel-btn {
  font-family: inherit;
  font-size: clamp(9px, 2.4vw, 13px);
  color: var(--bats-white);
  background: var(--bats-red);
  border: none;
  border-bottom: 4px solid #7a0a1c;
  padding: 12px 20px;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 1px;
  touch-action: manipulation;
}

.pixel-btn:active {
  border-bottom-width: 1px;
  transform: translateY(3px);
}

.pixel-input {
  font-family: inherit;
  font-size: clamp(10px, 2.6vw, 14px);
  color: var(--bats-white);
  background: #1a1a22;
  border: 2px solid var(--bats-white);
  border-radius: 3px;
  padding: 10px 14px;
  text-align: center;
  letter-spacing: 2px;
  text-transform: uppercase;
  width: min(220px, 70%);
}

.pixel-input:focus {
  outline: none;
  border-color: var(--bats-red);
}

.scoreboard {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 10px 16px;
  max-width: 92%;
  min-width: 200px;
  margin: 2px 0 4px;
}

.scoreboard-title {
  margin: 2px 0 8px;
  font-size: clamp(8px, 2vw, 10px);
  color: #d8b8c0;
}

.scoreboard-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 110px;
  overflow-y: auto;
}

.scoreboard-row {
  font-size: clamp(7px, 1.8vw, 9px);
  color: #ffd76a;
  text-align: left;
  font-family: 'Courier New', monospace;
}

.pixel-btn.small {
  font-size: clamp(7px, 1.8vw, 10px);
  background: #2a2a33;
  border-bottom-color: #111;
  padding: 8px 14px;
}

/* ---------------------------------------------------------------- HUD */

.hud-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 30px;
  height: 26px;
  background: rgba(10, 8, 14, 0.6);
  color: var(--bats-white);
  border: 2px solid var(--bats-white);
  border-radius: 3px;
  font-family: inherit;
  font-size: 10px;
  cursor: pointer;
  z-index: 15;
}

#touchControls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

.touch-btn {
  position: absolute;
  bottom: 14px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(245, 245, 240, 0.16);
  border: 2px solid rgba(245, 245, 240, 0.55);
  color: var(--bats-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  pointer-events: auto;
  touch-action: none;
}

.touch-btn:active {
  background: rgba(245, 245, 240, 0.4);
}

#leftBtn {
  left: 14px;
}
#rightBtn {
  left: 80px;
}
#jumpBtn {
  right: 14px;
  bottom: 14px;
}

.footer-note {
  font-size: 9px;
  color: #6a6a76;
  text-align: center;
  max-width: 480px;
  font-family: 'Courier New', monospace;
}

@media (max-width: 480px) {
  #leftBtn { left: 10px; bottom: 12px; width: 50px; height: 50px; }
  #rightBtn { left: 68px; bottom: 12px; width: 50px; height: 50px; }
  #jumpBtn { right: 10px; bottom: 12px; width: 50px; height: 50px; }
  .footer-note { display: none; }
}

/* Short viewports (typical phone-in-landscape) — the case where the frame
   used to grow taller than the screen and hide the touch controls below
   the fold, with no way to scroll down to them. */
@media (max-height: 420px) {
  #app { padding: 4px; gap: 4px; }
  .footer-note { display: none; }
}