/* Marina's Neon Dash — dark neon / cyberpunk bullet-hell
   NOTE: no infinite CSS animations (screenshot/eval safety) —
   all persistent motion lives on the canvas; DOM uses finite
   transitions + Web Animations API bursts triggered from JS. */

:root {
  --void: #05010f;
  --void-2: #0b0420;
  --panel: rgba(10, 4, 28, 0.92);
  --neon-pink: #ff2d95;
  --neon-cyan: #00f0ff;
  --neon-yellow: #f8e838;
  --neon-violet: #9d4dff;
  --text: #e8f6ff;
  --text-dim: #8fa3c8;
  --font-global: "Orbitron", "Zen Maru Gothic", "Noto Sans", "Segoe UI", "Microsoft YaHei", "Microsoft JhengHei", "Malgun Gothic", "Leelawadee UI", "Nirmala UI", sans-serif;
  font-size: 16px;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.studio-return {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 30;
  padding: 8px 11px;
  border: 1px solid rgba(72, 255, 229, 0.52);
  border-radius: 999px;
  background: rgba(3, 5, 20, 0.82);
  color: #bffcf2;
  font: 700 10px/1.2 "Orbitron", monospace;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.studio-return:hover,
.studio-return:focus-visible {
  background: #bffcf2;
  color: #07101d;
}

.studio-return:focus-visible {
  outline: 3px solid #ff4fd8;
  outline-offset: 3px;
}

html, body {
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(90% 70% at 50% 30%, #140a33 0%, #090316 55%, #030109 100%);
  font-family: var(--font-global);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

#stage {
  position: relative;
  width: min(100vw, calc(100dvh * 16 / 9));
  height: min(100dvh, calc(100vw * 9 / 16));
  margin: auto;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 12px;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: var(--void);
  box-shadow:
    0 0 0 1px rgba(0, 240, 255, 0.22),
    0 0 24px rgba(0, 240, 255, 0.12),
    0 0 80px rgba(157, 77, 255, 0.10),
    0 24px 70px rgba(0, 0, 0, 0.7);
  touch-action: none;
  cursor: crosshair;
  /* subtle chromatic push on the whole framebuffer */
  filter: saturate(1.18) contrast(1.06);
}

/* ---------- CRT overlay: scanlines + aperture tint + vignette ---------- */

#crt {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  pointer-events: none;
  z-index: 3;
  /* scanlines + faint RGB aperture-grille stripes (chromatic fringe) */
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.22) 0px,
      rgba(0, 0, 0, 0.22) 1px,
      transparent 1px,
      transparent 3px),
    repeating-linear-gradient(
      90deg,
      rgba(255, 45, 149, 0.035) 0px,
      rgba(255, 45, 149, 0.035) 1px,
      rgba(0, 240, 255, 0.035) 2px,
      rgba(0, 240, 255, 0.035) 3px,
      transparent 3px,
      transparent 4px);
  mix-blend-mode: overlay;
}

#crt::after {
  /* vignette + screen-edge chromatic aberration fringes */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: radial-gradient(115% 115% at 50% 50%, transparent 58%, rgba(2, 0, 10, 0.55) 100%);
  box-shadow:
    inset 2px 0 6px -2px rgba(255, 45, 149, 0.35),
    inset -2px 0 6px -2px rgba(0, 240, 255, 0.35);
}

/* ---------- damage flash ---------- */

#flash {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  pointer-events: none;
  z-index: 4;
  background: radial-gradient(100% 100% at 50% 50%, rgba(255, 45, 100, 0.25) 0%, rgba(255, 0, 80, 0.55) 100%);
  opacity: 0;
}

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

#hud { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
#hud.hidden { display: none; }

.hud-label {
  font-size: clamp(0.5rem, 1.1vw, 0.62rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--text-dim);
}

.hud-sub {
  font-size: clamp(0.52rem, 1.2vw, 0.68rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

#hud-time {
  position: absolute;
  top: 2.6%;
  left: 2%;
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
}
#time-val {
  font-size: clamp(1.1rem, 3.2vw, 1.9rem);
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow:
    1px 0 0 rgba(255, 45, 149, 0.55),
    -1px 0 0 rgba(0, 240, 255, 0.55),
    0 0 18px rgba(0, 240, 255, 0.75);
  font-variant-numeric: tabular-nums;
}

#hud-score {
  position: absolute;
  top: 2.6%;
  right: 2%;
  text-align: right;
}
#score-val {
  font-size: clamp(1rem, 2.8vw, 1.6rem);
  font-weight: 900;
  color: var(--neon-yellow);
  text-shadow:
    1px 0 0 rgba(255, 45, 149, 0.5),
    -1px 0 0 rgba(0, 240, 255, 0.5),
    0 0 16px rgba(248, 232, 56, 0.7);
  font-variant-numeric: tabular-nums;
}

#hud-hearts {
  position: absolute;
  top: 3%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.45em;
  font-size: clamp(0.9rem, 2.2vw, 1.25rem);
  filter: drop-shadow(0 0 6px rgba(255, 45, 149, 0.8));
}
#hud-hearts .lost { opacity: 0.18; filter: grayscale(1); }

#hud-graze {
  position: absolute;
  bottom: 3%;
  left: 2%;
  display: flex;
  align-items: center;
  gap: 0.7em;
}
#mult-chip {
  font-weight: 900;
  font-size: clamp(0.9rem, 2.4vw, 1.35rem);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 45, 149, 0.6);
  border-radius: 6px;
  padding: 0.12em 0.5em;
  background: rgba(255, 45, 149, 0.08);
  text-shadow: 0 0 14px rgba(255, 45, 149, 0.9);
  box-shadow: 0 0 14px rgba(255, 45, 149, 0.25), inset 0 0 10px rgba(255, 45, 149, 0.12);
  font-variant-numeric: tabular-nums;
  transition: color 0.2s ease, box-shadow 0.2s ease;
}
#mult-chip.hot {
  color: var(--neon-yellow);
  box-shadow: 0 0 22px rgba(248, 232, 56, 0.5), inset 0 0 12px rgba(248, 232, 56, 0.2);
}
#graze-count {
  font-size: clamp(0.55rem, 1.4vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

#hud-threat {
  position: absolute;
  bottom: 3%;
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(0.55rem, 1.4vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--neon-violet);
  text-shadow: 0 0 12px rgba(157, 77, 255, 0.8);
}

#mute-btn {
  position: absolute;
  bottom: 2.6%;
  right: 2%;
  pointer-events: auto;
  width: 2.4em;
  height: 2.4em;
  font-size: clamp(0.8rem, 1.8vw, 1rem);
  background: var(--panel);
  color: var(--text);
  border: 1px solid rgba(0, 240, 255, 0.45);
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

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

.overlay {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  background: rgba(3, 1, 10, 0.6);
  backdrop-filter: blur(3px);
  border-radius: 12px;
}
.overlay.hidden { display: none; }

.neon-card {
  background: var(--panel);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255, 45, 149, 0.15),
    0 0 40px rgba(0, 240, 255, 0.15),
    inset 0 0 40px rgba(157, 77, 255, 0.06);
  padding: clamp(1rem, 3.4vw, 2rem) clamp(1.3rem, 4.5vw, 3rem);
  text-align: center;
  max-width: min(90%, 36rem);
}

.kicker {
  font-size: clamp(0.55rem, 1.4vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.34em;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
}
.kicker.danger {
  color: var(--neon-pink);
  text-shadow: 0 0 12px rgba(255, 45, 149, 0.9);
}

.glitch-title {
  font-size: clamp(1.7rem, 6vw, 3.2rem);
  font-weight: 900;
  line-height: 1.06;
  margin: 0.3em 0 0.35em;
  letter-spacing: 0.04em;
  color: var(--text);
  /* chromatic aberration split */
  text-shadow:
    2px 0 0 rgba(255, 45, 149, 0.75),
    -2px 0 0 rgba(0, 240, 255, 0.75),
    0 0 26px rgba(157, 77, 255, 0.55);
}
.glitch-title.small { font-size: clamp(1.2rem, 4.4vw, 2.1rem); }
.glitch-title .accent {
  color: var(--neon-pink);
  text-shadow:
    2px 0 0 rgba(0, 240, 255, 0.8),
    -2px 0 0 rgba(248, 232, 56, 0.6),
    0 0 30px rgba(255, 45, 149, 0.8);
}

.sub {
  font-family: "Zen Maru Gothic", "Noto Sans", "Segoe UI", "Microsoft YaHei", "Microsoft JhengHei", "Malgun Gothic", "Leelawadee UI", "Nirmala UI", sans-serif;
  font-size: clamp(0.72rem, 1.9vw, 0.92rem);
  font-weight: 700;
  color: var(--text-dim);
  line-height: 1.65;
}
.sub em { color: var(--neon-pink); font-style: normal; text-shadow: 0 0 10px rgba(255, 45, 149, 0.7); }

.ctrl-row {
  display: flex;
  gap: 1em;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1em 0 0.8em;
}
.ctrl-row span {
  font-size: clamp(0.55rem, 1.5vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text);
  border: 1px solid rgba(157, 77, 255, 0.5);
  border-radius: 999px;
  padding: 0.45em 1em;
  background: rgba(157, 77, 255, 0.1);
}

.build-note {
  margin-top: 1em;
  color: rgba(207, 224, 255, 0.62);
  font: 500 clamp(7px, 1vw, 10px)/1.4 "Orbitron", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.best-line {
  font-size: clamp(0.6rem, 1.6vw, 0.8rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--neon-yellow);
  text-shadow: 0 0 10px rgba(248, 232, 56, 0.6);
  margin-bottom: 1em;
  min-height: 1.2em;
}

.best-line:empty {
  display: none;
}

.language-control {
  margin: 0 0 0.85em;
}

.language-control select {
  width: min(100%, 15rem);
  padding: 0.52em 2.4em 0.52em 0.9em;
  border: 1px solid rgba(0, 240, 255, 0.48);
  border-radius: 999px;
  background: rgba(4, 2, 15, 0.9);
  color: var(--text);
  font: 700 clamp(0.58rem, 1.4vw, 0.72rem)/1.2 var(--font-global);
  letter-spacing: 0.06em;
  cursor: pointer;
  color-scheme: dark;
}

.language-control select:hover,
.language-control select:focus-visible {
  border-color: var(--neon-pink);
  box-shadow: 0 0 16px rgba(255, 45, 149, 0.28);
}

.neon-btn {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(0.9rem, 2.6vw, 1.2rem);
  font-weight: 900;
  letter-spacing: 0.14em;
  color: #04020c;
  background: linear-gradient(100deg, var(--neon-cyan), #7df9ff);
  border: none;
  border-radius: 8px;
  padding: 0.65em 2em;
  cursor: pointer;
  box-shadow:
    0 0 18px rgba(0, 240, 255, 0.55),
    0 0 50px rgba(0, 240, 255, 0.25);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.neon-btn:hover {
  transform: translateY(-2px) scale(1.03);
  background: linear-gradient(100deg, var(--neon-pink), #ff7ec2);
  box-shadow:
    0 0 22px rgba(255, 45, 149, 0.65),
    0 0 60px rgba(255, 45, 149, 0.3);
}
.neon-btn:active { transform: translateY(1px) scale(0.98); }

/* ---------- game over stats ---------- */

#over-stats {
  display: flex;
  gap: 1.6em;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0.8em 0 0.5em;
}
.stat-block { text-align: center; }
.stat-block .sb-label {
  font-size: clamp(0.5rem, 1.3vw, 0.65rem);
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--text-dim);
}
.stat-block .sb-value {
  font-size: clamp(1.1rem, 3.4vw, 1.9rem);
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: 1px 0 0 rgba(255,45,149,0.5), -1px 0 0 rgba(0,240,255,0.5), 0 0 16px rgba(0, 240, 255, 0.7);
  font-variant-numeric: tabular-nums;
}
.stat-block.gold .sb-value { color: var(--neon-yellow); text-shadow: 0 0 16px rgba(248, 232, 56, 0.7); }
.stat-block.pink .sb-value { color: var(--neon-pink); text-shadow: 0 0 16px rgba(255, 45, 149, 0.7); }

#over-records {
  min-height: 1.4em;
  margin-bottom: 1em;
  font-size: clamp(0.62rem, 1.7vw, 0.85rem);
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--neon-yellow);
  text-shadow: 0 0 14px rgba(248, 232, 56, 0.8);
}

/* ---------- narrow screens ---------- */

@media (max-width: 620px) {
  #hud-time { top: 2%; }
  #hud-score { top: 2%; }
  #hud-hearts { top: auto; bottom: 10%; }
  #hud-threat { display: none; }
  .ctrl-row { gap: 0.5em; }
  .language-control { margin-bottom: 0.55em; }
}

@media (max-height: 500px) and (orientation: landscape) {
  .neon-card {
    width: min(94%, 46rem);
    max-width: 46rem;
    padding: 0.55rem 1.1rem;
  }

  .kicker {
    font-size: 0.48rem;
    letter-spacing: 0.22em;
  }

  .glitch-title {
    margin: 0.12em 0 0.16em;
    font-size: clamp(1.3rem, 7vh, 2rem);
  }

  .glitch-title.small {
    font-size: clamp(1rem, 5.5vh, 1.5rem);
  }

  .sub {
    font-size: 0.58rem;
    line-height: 1.32;
  }

  .ctrl-row {
    gap: 0.35em;
    margin: 0.35em 0;
  }

  .ctrl-row span {
    padding: 0.3em 0.65em;
    font-size: 0.48rem;
    letter-spacing: 0.06em;
  }

  .build-note {
    display: none;
  }

  .best-line {
    margin-bottom: 0.35em;
    font-size: 0.52rem;
  }

  .language-control {
    margin-bottom: 0.35em;
  }

  .language-control select {
    width: min(100%, 13rem);
    padding-block: 0.35em;
    font-size: 0.54rem;
  }

  .neon-btn {
    padding: 0.48em 1.5em;
    font-size: 0.76rem;
  }

  #over-stats {
    gap: 0.75em;
    margin: 0.4em 0 0.25em;
  }

  #over-records {
    margin-bottom: 0.4em;
  }
}