:root {
  --bg: #F3F0E9;
  --ink: #211E19;
  --soft: #7C7568;
  --hair: rgba(33, 30, 25, 0.16);
  --hair2: rgba(33, 30, 25, 0.5);
  --paper: #FBF9F4;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  justify-content: center;
  min-height: 100dvh;
  user-select: none;
  -webkit-user-select: none;
}

main {
  width: 100%;
  max-width: 420px;
  padding: 26px 18px 40px;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

h1 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.sub {
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--soft);
  margin-top: 7px;
  font-weight: 400;
}

.actions { display: flex; gap: 8px; }

button {
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hair2);
  border-radius: 2px;
  padding: 7px 12px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

button:hover { background: var(--ink); color: var(--bg); }
button:active { transform: translateY(1px); }

button.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
button.primary:hover { background: #000; }

.scoreline {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 22px;
}

#score {
  font-size: 52px;
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.soft {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--soft);
}

.dot { color: var(--soft); }

.spacer { flex: 1; }

.next { display: flex; align-items: center; }

#nextDot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--hair2);
  display: inline-block;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.frame { position: relative; margin-top: 18px; }

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 360 / 640;
  touch-action: none;
  cursor: crosshair;
}

.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 30%, transparent 55%, rgba(33, 30, 25, 0.07));
}

.hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--soft);
  pointer-events: none;
}

.hint::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  margin-left: 9px;
  vertical-align: 2px;
  animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink { 0%, 100% { opacity: 0.15; } 50% { opacity: 1; } }

.foot {
  margin-top: 14px;
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--soft);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 20px);
  background: var(--paper);
  border: 1px solid var(--hair2);
  color: var(--ink);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 30;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(243, 240, 233, 0.9);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  animation: fade 0.4s ease;
}

.overlay[hidden] { display: none; }

.card {
  background: var(--paper);
  border: 1px solid var(--hair);
  padding: 34px 40px 30px;
  text-align: center;
  max-width: 86%;
  animation: rise 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card-kicker {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--soft);
}

.card-score {
  font-size: 64px;
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 14px;
  font-variant-numeric: tabular-nums;
}

.card-best {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft);
}

.card-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 26px;
  flex-wrap: wrap;
}

@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

@media (max-width: 360px) {
  main { padding: 20px 14px 32px; }
  #score { font-size: 44px; }
  .card { padding: 26px 24px 24px; }
}