:root {
  --bg: #000;
  --ink: #f5f5f3;
  --muted: #6b6b6b;
  --accent: #f0c150;
  --line: #1a1a1a;
  --control-radius: var(--radius-sm, 4px);
  --link-radius: var(--radius-sm, 2px);
  --game-focus: var(--border-focus, var(--accent));
  --mono: var(--font-mono, ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace);
  --sans: var(--font-sans, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif);
  --serif: var(--font-serif, ui-serif, Georgia, "Times New Roman", serif);
}

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

html, body {
  height: 100%;
  width: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  overflow: hidden;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  display: block;
  cursor: crosshair;
}

#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.1rem 1.5rem env(safe-area-inset-top, 1.1rem);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  pointer-events: none;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.3s ease;
}
#hud.show { opacity: 1; }
#hud #score { color: var(--ink); flex: 0 0 auto; }
#hud #timer { color: var(--accent); flex: 0 0 auto; }

.coach {
  position: fixed;
  left: 50%;
  bottom: calc(1.4rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 4;
  max-width: min(28rem, calc(100vw - 2rem));
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(240, 193, 80, 0.28);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s ease;
}
.coach.show { opacity: 1; }

/* v0.3 — streak chip lives between score and timer.
   Reset shake is a 100ms wobble; muted color when 0 to keep the eye on score. */
#hud .streak {
  flex: 1 1 auto;
  text-align: center;
  color: var(--ink);
  opacity: 0.85;
  transition: opacity 0.15s ease;
}
#hud .streak.dim { opacity: 0.35; }
#hud .streak.shake { animation: streakshake 100ms ease-out 1; }
@keyframes streakshake {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(-4px); }
  50%  { transform: translateX(3px); }
  75%  { transform: translateX(-2px); }
  100% { transform: translateX(0); }
}

/* v0.3 — Bullseye stamp. Dead-center serif word, 400ms ease-out fade.
   Pointer-events none so it never blocks input. */
.bullseye-stamp {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  letter-spacing: 0.02em;
  color: var(--accent);
  text-shadow: 0 0 24px rgba(240, 193, 80, 0.45);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  z-index: 5;
}
.bullseye-stamp.fire {
  animation: bullseyestamp 400ms ease-out 1;
}
@keyframes bullseyestamp {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.86); visibility: visible; }
  18%  { opacity: 1; transform: translate(-50%, -50%) scale(1.04); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.04); visibility: visible; }
}

.screen {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem 1.5rem;
  text-align: center;
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.screen.active { display: flex; animation: fadein 0.3s ease; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.wordmark {
  font-family: var(--mono);
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  color: var(--ink);
  line-height: 0.95;
  text-transform: uppercase;
}

h2 {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 1.6rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rules {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 1.05rem;
  max-width: 24rem;
  line-height: 1.5;
}

kbd {
  display: inline-block;
  padding: 0 0.4em;
  margin: 0 0.1em;
  border: 1px solid var(--muted);
  border-radius: var(--control-radius);
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
}

button {
  display: block;
  margin: 0.5rem auto;
  border: none;
  border-radius: var(--control-radius);
  padding: 0.9rem 2.5rem;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  min-width: 12rem;
  transition: filter 0.15s, transform 0.05s, background 0.15s, border 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.primary {
  background: var(--accent);
  color: var(--bg);
}
.primary:hover { filter: brightness(1.15); }
.primary:active { transform: translateY(1px); }
.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}
.ghost:hover { color: var(--ink); border-color: var(--muted); }
button:focus-visible {
  outline: 2px solid var(--game-focus);
  outline-offset: 3px;
}

.result {
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}
.result-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--mono);
}
.result-row .label {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 7rem;
  text-align: right;
}
.result-row .value {
  font-size: 1.4rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  min-width: 4ch;
  text-align: left;
}

/* v0.3 — Share grid: rendered as monospace so the bar-cells align;
   centered, sized for thumbnail-readability. */
.share-grid {
  margin: 0.6rem 0 1.2rem;
  font-family: var(--mono);
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: var(--ink);
  white-space: pre;
  line-height: 1.5;
}

.status {
  margin-top: 0.6rem;
  min-height: 1.4em;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: var(--mono);
}

.follow-cta {
  margin-top: 1.75rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
  max-width: 22rem;
}
.follow-cta a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.follow-cta a:hover,
.follow-cta a:focus-visible {
  color: var(--accent);
}
.follow-cta a:focus-visible {
  outline: 2px solid var(--game-focus);
  outline-offset: 3px;
  border-radius: var(--link-radius);
}

footer {
  position: fixed;
  bottom: 0.85rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.7rem;
  color: var(--muted);
  pointer-events: none;
  opacity: 0.5;
  letter-spacing: 0.04em;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (max-width: 420px) {
  #hud { padding: 0.85rem 1rem; font-size: 1.05rem; }
  footer { font-size: 0.66rem; }
  .share-grid { font-size: 1.05rem; }
}