:root {
  --bg: #0b0c15;
  --panel: rgba(11, 12, 21, 0.82);
  --cyan: #46d7ff;
  --cyan-glow: rgba(70, 215, 255, 0.45);
  --white: #f2f7ff;
  --gold: #ffd24a;
  --red: #ff4a5a;
  --green: #4aff88;
  --yellow: #ffd24a;
  --text-dim: #9aa7c0;
  --line: rgba(70, 215, 255, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--white);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

body {
  position: fixed;
  inset: 0;
  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0) env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
}

#game {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: var(--bg);
}

.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 4;
  background:
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.18) 50%),
    radial-gradient(circle at center, rgba(0, 0, 0, 0) 60%, rgba(0, 0, 0, 0.35) 100%);
  background-size: 100% 4px, 100% 100%;
  mix-blend-mode: multiply;
  opacity: 0.65;
}

.profiler {
  position: fixed;
  top: max(8px, env(safe-area-inset-top, 8px));
  left: max(8px, env(safe-area-inset-left, 8px));
  z-index: 10;
  min-width: 160px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  backdrop-filter: blur(2px);
  box-shadow: 0 0 18px var(--cyan-glow);
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.profiler-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.profiler-label {
  color: var(--cyan);
  opacity: 0.85;
}

.profiler-value {
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.profiler-value.good { color: var(--green); }
.profiler-value.warn { color: var(--yellow); }
.profiler-value.bad  { color: var(--red); }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 6, 12, 0.78);
  backdrop-filter: blur(3px);
  transition: opacity 0.2s ease;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay-card {
  width: min(440px, calc(100vw - 32px));
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(13, 15, 28, 0.94);
  text-align: center;
  box-shadow: 0 0 32px rgba(70, 215, 255, 0.2);
}

.overlay-card h1 {
  font-size: 28px;
  color: var(--cyan);
  margin-bottom: 18px;
  text-shadow: 0 0 16px var(--cyan-glow);
  letter-spacing: 0.08em;
}

.overlay-card p {
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--white);
}

.overlay-card p.sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.overlay-card p#go-survived,
.overlay-card p#go-kills,
.overlay-card p#go-level {
  color: var(--text-dim);
  margin-bottom: 4px;
}

button {
  margin-top: 22px;
  padding: 12px 32px;
  border: 1px solid var(--cyan);
  border-radius: 6px;
  background: transparent;
  color: var(--cyan);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s ease;
  box-shadow: 0 0 12px var(--cyan-glow);
}

button:hover,
button:active {
  background: rgba(70, 215, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 0 20px var(--cyan-glow);
}

@media (max-width: 480px) {
  .profiler {
    min-width: 140px;
    padding: 8px 10px;
    font-size: 11px;
  }

  .overlay-card {
    padding: 22px 20px;
  }

  .overlay-card h1 {
    font-size: 22px;
  }
}