:root {
  --bg: #efede8;
  --ink: #141414;
  --muted: #8a877f;
  --line: #d9d6ce;
  --hot: #ff4d1c;
  --r: 34px; /* target radius, keep in sync with main.js */
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#stage {
  position: fixed;
  inset: 0;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

body.playing, body.playing * { cursor: none !important; }

/* HUD */
.hud {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px 24px;
  font-family: var(--mono);
  font-size: 13px;
  pointer-events: none;
  z-index: 5;
}
.brand { font-weight: 700; letter-spacing: -0.02em; font-size: 15px; }
.hud-time {
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.hud-time.low { color: var(--hot); }
.hud-score { justify-self: end; font-variant-numeric: tabular-nums; font-size: 15px; font-weight: 600; }
.hud-score small { color: var(--muted); font-weight: 400; }
body:not(.playing) .hud-time,
body:not(.playing) .hud-score { opacity: 0; }

/* Screens */
.screen {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(560px, calc(100% - 40px));
  z-index: 4;
}
.screen[hidden] { display: none; }

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 20px;
}

.lede {
  font-size: 17px;
  line-height: 1.5;
  max-width: 34ch;
  margin: 0 0 28px;
}
.lede em { font-style: normal; background: var(--ink); color: var(--bg); padding: 0 4px; }

.btn {
  font: 600 15px var(--sans);
  background: var(--ink);
  color: var(--bg);
  border: 1.5px solid var(--ink);
  padding: 13px 18px;
  border-radius: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: transform 0.08s, background 0.15s;
}
.btn:hover { background: var(--hot); border-color: var(--hot); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
kbd {
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0.6;
  border: 1px solid currentColor;
  padding: 1px 5px;
}

.best, .touch-note, .toast {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin: 18px 0 0;
}
.touch-note { display: none; }
@media (hover: none) { .touch-note { display: block; } kbd { display: none; } }

/* Results */
.big {
  font-size: clamp(96px, 20vw, 180px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.85;
  font-variant-numeric: tabular-nums;
  margin-bottom: 28px;
}
.big small {
  font-size: 16px;
  letter-spacing: 0;
  font-weight: 500;
  color: var(--muted);
  font-family: var(--mono);
  margin-left: 10px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1.5px solid var(--ink);
  margin: 0 0 28px;
}
.stats div { padding: 12px 0; }
.stats dt { font-family: var(--mono); font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stats dd { margin: 4px 0 0; font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
#rank { color: var(--hot); }

/* Countdown */
.count {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 160px;
  font-weight: 800;
  letter-spacing: -0.06em;
  z-index: 4;
  pointer-events: none;
}
.count[hidden] { display: none; }

/* Target */
.target {
  position: absolute;
  width: calc(var(--r) * 2);
  height: calc(var(--r) * 2);
  margin: calc(var(--r) * -1) 0 0 calc(var(--r) * -1);
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--bg) 0 4px, var(--hot) 4.5px 12px, var(--bg) 12.5px 20px, var(--hot) 20.5px);
  z-index: 3;
  pointer-events: none;
  animation: pop 0.14s ease-out;
}
.target[hidden] { display: none; }
@keyframes pop { from { transform: scale(0.4); opacity: 0; } }

/* Effects */
#fx { position: absolute; inset: 0; pointer-events: none; z-index: 2; }

.miss {
  position: absolute;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  animation: fade 0.9s ease-in forwards;
}
.miss::before, .miss::after {
  content: "";
  position: absolute;
  left: 50%; top: 0;
  width: 2px; height: 100%;
  margin-left: -1px;
  background: var(--ink);
  transform: rotate(45deg);
}
.miss::after { transform: rotate(-45deg); }
.miss span {
  position: absolute;
  left: 16px; top: -14px;
  font: 600 11px var(--mono);
  white-space: nowrap;
  color: var(--ink);
}

.ghost-target {
  position: absolute;
  width: calc(var(--r) * 2);
  height: calc(var(--r) * 2);
  margin: calc(var(--r) * -1) 0 0 calc(var(--r) * -1);
  border-radius: 50%;
  border: 1.5px dashed var(--muted);
  animation: fade 0.9s ease-in forwards;
}

.tether {
  position: absolute;
  height: 1px;
  background: var(--muted);
  transform-origin: 0 50%;
  animation: fade 0.9s ease-in forwards;
}

.hit {
  position: absolute;
  width: calc(var(--r) * 2);
  height: calc(var(--r) * 2);
  margin: calc(var(--r) * -1) 0 0 calc(var(--r) * -1);
  border-radius: 50%;
  border: 2px solid var(--hot);
  animation: burst 0.4s ease-out forwards;
}
.plus {
  position: absolute;
  font: 700 14px var(--mono);
  color: var(--hot);
  transform: translate(-50%, -50%);
  animation: rise 0.6s ease-out forwards;
}

.ping {
  position: absolute;
  width: 0; height: 0;
  color: var(--ink);
}
.ping.is-hit { color: var(--hot); }
.ping b {
  position: absolute;
  left: -20px; top: -20px;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid currentColor;
  animation: ping-ring 0.4s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
.ping i {
  position: absolute;
  left: 0; top: 0;
  transform: rotate(var(--a));
}
.ping i::before {
  content: "";
  position: absolute;
  left: -4px; top: -4px;
  width: 8px; height: 8px;
  border-right: 2.5px solid currentColor;
  border-bottom: 2.5px solid currentColor;
  animation: ping-arrow 0.4s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
@keyframes ping-ring {
  from { transform: scale(1.3); opacity: 1; }
  to { transform: scale(0.15); opacity: 0; }
}
@keyframes ping-arrow {
  from { transform: translateY(-26px) rotate(45deg); opacity: 1; }
  80% { opacity: 1; }
  to { transform: translateY(-5px) rotate(45deg); opacity: 0; }
}

.click-cursor {
  position: absolute;
  margin: -1px 0 0 -1px; /* put the arrow tip on the click point */
  z-index: 1;
  animation: cursor-fade 1s ease-in forwards;
}
.click-cursor svg { display: block; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.25)); }
@keyframes cursor-fade { 0%, 70% { opacity: 1; } 100% { opacity: 0; } }

@keyframes fade { 0%, 40% { opacity: 1; } 100% { opacity: 0; } }
@keyframes burst { to { transform: scale(2.2); opacity: 0; } }
@keyframes rise { to { transform: translate(-50%, -190%); opacity: 0; } }

body.flash #stage { animation: shake 0.18s; }
@keyframes shake {
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
  body.flash #stage { animation: none; }
}