:root {
  --bg: #06060d;
  --bg-2: #0b0b18;
  --fg: #e6f2ff;
  --muted: #6b7a99;
  --neon-cyan: #00f0ff;
  --neon-pink: #ff3df0;
  --neon-yellow: #f9e94e;
  --neon-green: #5dff8f;
  --danger: #ff3a5c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
}

body.menu {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, rgba(0,240,255,0.08), transparent 60%),
    radial-gradient(ellipse at bottom, rgba(255,61,240,0.08), transparent 60%),
    var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.title-screen {
  width: 100%;
  max-width: 540px;
  text-align: center;
}

.title {
  font-size: clamp(3rem, 10vw, 5rem);
  letter-spacing: 0.15em;
  margin: 0 0 0.5rem;
  line-height: 0.95;
  color: var(--neon-cyan);
  text-shadow:
    0 0 8px rgba(0,240,255,0.8),
    0 0 24px rgba(0,240,255,0.5),
    0 0 48px rgba(0,240,255,0.3);
}
.title span {
  color: var(--neon-pink);
  text-shadow:
    0 0 8px rgba(255,61,240,0.8),
    0 0 24px rgba(255,61,240,0.5),
    0 0 48px rgba(255,61,240,0.3);
}

.tagline {
  color: var(--muted);
  margin: 0 0 2rem;
  letter-spacing: 0.05em;
}

.actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--muted);
  border-radius: 2px;
  text-decoration: none;
  font-family: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0,240,255,0.4);
}
.btn.primary {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.3);
}
.btn.primary:hover {
  background: rgba(0,240,255,0.1);
  box-shadow: 0 0 18px rgba(0,240,255,0.6);
}

.leaderboard {
  background: rgba(11, 11, 24, 0.7);
  border: 1px solid rgba(107, 122, 153, 0.3);
  border-radius: 4px;
  padding: 1.25rem;
  text-align: left;
}
.leaderboard header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.leaderboard h2 {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--neon-cyan);
  text-transform: uppercase;
}
.tabs {
  display: flex;
  gap: 0.25rem;
}
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  text-transform: uppercase;
}
.tab.active {
  color: var(--neon-pink);
  border-color: var(--neon-pink);
}

.board {
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 6rem;
}
.board li {
  display: grid;
  grid-template-columns: 2rem 1fr auto auto;
  gap: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed rgba(107, 122, 153, 0.2);
  font-size: 0.9rem;
}
.board li:last-child { border-bottom: none; }
.board li.empty-row { display: block; }
.board .rank { color: var(--neon-yellow); }
.board .handle { color: var(--fg); }
.board .meta { color: var(--muted); font-size: 0.8rem; }
.board .score { color: var(--neon-cyan); font-variant-numeric: tabular-nums; }
.board .empty { color: var(--muted); text-align: center; padding: 1rem; }

.hint {
  color: var(--muted);
  font-size: 0.75rem;
  margin: 0.75rem 0 0;
  text-align: center;
}

.controls-hint {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

/* === Play page === */
body.play {
  margin: 0;
  overflow: hidden;
  height: 100vh;
  background: #000;
  cursor: crosshair;
}
canvas#game {
  display: block;
  width: 100vw;
  height: 100vh;
  background: var(--bg);
}

.hud {
  position: fixed;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  pointer-events: none;
  user-select: none;
}
.hud-row {
  display: flex;
  gap: 2rem;
}
.hud-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.hud-stat .label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.hud-stat span:last-child {
  font-size: 1.5rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0,240,255,0.5);
  font-variant-numeric: tabular-nums;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 13, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  z-index: 10;
}
.overlay.hidden { display: none; }

.overlay-card {
  background: var(--bg-2);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0,240,255,0.3);
  padding: 2rem;
  border-radius: 4px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}
.overlay-card h2 {
  margin: 0 0 0.5rem;
  color: var(--neon-cyan);
  letter-spacing: 0.15em;
  font-size: 1.5rem;
}
.overlay-card p {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.score-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.score-form.hidden { display: none; }
.score-form label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}
.score-form input {
  background: var(--bg);
  border: 1px solid var(--muted);
  color: var(--fg);
  font-family: inherit;
  font-size: 1.1rem;
  padding: 0.6rem 0.75rem;
  letter-spacing: 0.1em;
  border-radius: 2px;
  text-align: center;
}
.score-form input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.4);
}

.overlay-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.overlay-actions .hidden { display: none; }