:root {
  --bg: #05010a;
  --white: #f2f0eb;
  --red: #c81f2a;
  --red-dark: #7a1218;
  --muted: #9c9890;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  color: var(--white);
  font-family: 'Special Elite', 'Courier New', monospace;
  position: relative;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

#gameCanvas {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.12;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  padding: 0.9rem 1.25rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent);
  pointer-events: none;
}
.top-bar a.brand {
  font-family: 'Butcherman', cursive;
  color: var(--white);
  text-decoration: none;
  font-size: 1rem;
  pointer-events: auto;
}
.top-bar a.brand span { color: var(--red); }

.hud {
  position: fixed;
  top: 0.9rem;
  right: 1.25rem;
  z-index: 30;
  text-align: right;
  pointer-events: none;
}
.hud .score {
  font-size: 1.3rem;
  color: var(--white);
  text-shadow: 0 2px 6px rgba(0,0,0,0.8);
}
.hud .best {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(2px);
  padding: 1.5rem;
}
.overlay.hidden { display: none; }

.panel {
  text-align: center;
  max-width: 26rem;
}

.panel h1 {
  font-family: 'Butcherman', cursive;
  font-weight: 400;
  font-size: clamp(3rem, 14vw, 5rem);
  color: var(--white);
  text-shadow: 0 0 30px rgba(200,31,42,0.5);
  margin: 0 0 1rem;
  transform: rotate(-1.5deg);
}
.panel h1 span { color: var(--red); }

.rules {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1.75rem;
}

.btn-main {
  background: var(--red);
  color: var(--white);
  font-family: 'Special Elite', monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.9rem;
  padding: 0.9rem 2.2rem;
  border: 2px solid var(--white);
  cursor: pointer;
  box-shadow: 4px 4px 0 #000, 4px 4px 0 1px var(--red-dark);
}
.btn-main:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 #000; }

.controls {
  margin-top: 1.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.8;
}

.best-line {
  margin-top: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-dark);
}

.death-headline {
  font-family: 'Butcherman', cursive;
  font-weight: 400;
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--red);
  text-shadow: 0 0 30px rgba(200,31,42,0.6);
  margin: 0 0 0.75rem;
  transform: rotate(-1deg);
}
.death-distance {
  font-size: 2.6rem;
  color: var(--white);
  margin-bottom: 0.4rem;
}
.new-best {
  color: var(--red);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  min-height: 1.1rem;
  margin-bottom: 1.5rem;
}
.actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--muted);
  font-family: 'Special Elite', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--white); }
.share-feedback {
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  height: 1rem;
  margin-top: 0.9rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.share-feedback.show { opacity: 1; }

.hidden { display: none !important; }