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

body {
  background: linear-gradient(160deg, #e8f5e9 0%, #f3e5f5 100%);
  font-family: 'Hiragino Maru Gothic Pro', 'Rounded Mplus 1c', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
  -webkit-user-select: none;
}

/* ---- Screens ---- */
.screen { display: none; width: 100%; max-width: 600px; flex-direction: column; align-items: center; }
.screen.active { display: flex; }

/* ---- Title ---- */
#screen-title {
  justify-content: center;
  min-height: 100vh;
  padding: 24px 20px;
  gap: 20px;
}
.logo { font-size: 2rem; font-weight: 900; color: #7B1FA2; text-shadow: 0 3px 0 rgba(0,0,0,0.1); }
.subtitle { text-align: center; color: #666; font-size: 0.95rem; line-height: 1.6; }

.stage-list { width: 100%; display: flex; flex-direction: column; gap: 12px; }
.stage-card {
  background: #fff;
  border-radius: 16px;
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
  transition: transform 0.1s;
  border: 2px solid transparent;
}
.stage-card:active { transform: scale(0.97); }
.stage-card.cleared { border-color: #CE93D8; }
.stage-card-name { font-size: 1.05rem; font-weight: 700; color: #333; }
.stage-card-meta { font-size: 0.8rem; color: #aaa; margin-top: 2px; }
.stage-card-right { text-align: right; }
.stage-star { font-size: 1.4rem; }
.stage-best { font-size: 0.75rem; color: #9E9E9E; }

/* ---- Game screen ---- */
#screen-game {
  height: 100vh;
  max-width: 100%;
  padding: 0;
}

.game-header {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  gap: 8px;
  flex-shrink: 0;
}
.btn-back {
  background: #f0f0f0;
  border: none;
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 1rem;
  cursor: pointer;
  color: #555;
}
.game-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stage-title-text { font-size: 0.85rem; font-weight: 700; color: #555; }
.found-count { font-size: 1.2rem; font-weight: 900; color: #7B1FA2; }
.btn-hint {
  background: linear-gradient(135deg, #FFD54F, #FF8F00);
  border: none;
  border-radius: 12px;
  padding: 6px 12px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  box-shadow: 0 3px 0 #e65100;
}
.btn-hint:active { transform: translateY(2px); box-shadow: 0 1px 0 #e65100; }
.btn-hint:disabled { opacity: 0.4; cursor: default; transform: none; }

/* ---- Images ---- */
.images-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  overflow: hidden;
}
@media (min-width: 500px) and (orientation: landscape) {
  .images-wrap { flex-direction: row; }
}

.img-panel {
  position: relative;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.img-panel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.marker-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Correct marker */
.marker {
  position: absolute;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px #7B1FA2, 0 2px 8px rgba(0,0,0,0.3);
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: markerPop 0.35s ease-out;
}
@keyframes markerPop {
  0%   { transform: translate(-50%,-50%) scale(0.3); opacity: 0; }
  70%  { transform: translate(-50%,-50%) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1); }
}

/* Wrong tap marker */
.wrong-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 1.4rem;
  pointer-events: none;
  animation: wrongFade 0.5s ease-out forwards;
}
@keyframes wrongFade {
  0%   { opacity: 1; transform: translate(-50%,-50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%,-75%) scale(0.8); }
}

/* Hint pulse */
.marker.hint-pulse { animation: hintPulse 0.8s ease-in-out; }
@keyframes hintPulse {
  0%, 100% { box-shadow: 0 0 0 2px #7B1FA2, 0 2px 8px rgba(0,0,0,0.3); }
  50% { box-shadow: 0 0 0 10px rgba(123,31,162,0.3), 0 2px 8px rgba(0,0,0,0.3); }
}

/* Diff indicators (dots at bottom) */
.diff-indicators {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 6px 0;
  flex-shrink: 0;
}
.diff-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ddd;
  border: 2px solid #bbb;
  transition: background 0.3s;
}
.diff-dot.found { background: #7B1FA2; border-color: #7B1FA2; }

/* ---- Clear screen ---- */
#screen-clear {
  justify-content: center;
  min-height: 100vh;
  padding: 24px 20px;
}
.clear-inner {
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  text-align: center;
  width: 100%;
  max-width: 300px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.clear-emoji { font-size: 3rem; }
.clear-title { font-size: 1.8rem; font-weight: 900; color: #7B1FA2; }
.clear-time, .clear-best { font-size: 1rem; color: #555; }

/* ---- Ending ---- */
#screen-ending {
  justify-content: center;
  min-height: 100vh;
  padding: 24px 20px;
}
.ending-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.ending-emoji { font-size: 4rem; }
.ending-title { font-size: 2rem; font-weight: 900; color: #7B1FA2; }
.ending-msg { color: #555; line-height: 1.7; }

/* ---- Buttons ---- */
.btn-primary, .btn-secondary {
  display: block;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, #CE93D8, #7B1FA2);
  color: #fff;
  box-shadow: 0 4px 0 #4a148c;
}
.btn-primary:active { transform: translateY(3px); box-shadow: 0 1px 0 #4a148c; }
.btn-secondary {
  background: #f0f0f0;
  color: #555;
  box-shadow: 0 4px 0 #bbb;
}
.btn-secondary:active { transform: translateY(3px); box-shadow: 0 1px 0 #bbb; }