/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --pink: #ff2d78;
  --cyan: #00e5ff;
  --dark: #0a0a12;
  --darker: #06060c;
  --card: #14142a;
  --text: #eaeaff;
  --text-dim: #8888aa;
  --success: #00ff88;
  --error: #ff3355;
  --gold: #ffd700;
}

html, body {
  width: 100%; min-height: 100vh; overflow-x: hidden;
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--dark);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ===== SCREENS ===== */
.screen {
  display: none; flex-direction: column; align-items: center; justify-content: center;
  min-height: 100vh; width: 100%; padding: 20px;
}
.screen.active { display: flex; }

/* ===== TITLE SCREEN ===== */
.title-container {
  text-align: center; max-width: 600px;
}
.brand {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem; font-weight: 700;
  color: var(--pink); letter-spacing: 4px;
  text-transform: uppercase; margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(255, 45, 120, 0.5);
}
.game-title { margin-bottom: 16px; }
.title-jp {
  display: block;
  font-size: clamp(1.8rem, 6vw, 3rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.title-en {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(0.7rem, 2.5vw, 1rem);
  color: var(--cyan); letter-spacing: 2px;
  margin-top: 4px;
}
.subtitle {
  color: var(--text-dim); font-size: 0.9rem;
  line-height: 1.6; margin-bottom: 24px;
}
.en-small {
  font-size: 0.75em; color: var(--text-dim);
  font-family: 'Orbitron', sans-serif;
}

/* How to play */
.how-to-play {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 28px; text-align: left;
  background: var(--card); border-radius: 12px; padding: 16px;
  border: 1px solid rgba(255,255,255,0.05);
}
.how-step {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.85rem; color: var(--text-dim);
}
.step-num {
  flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  color: #fff; font-weight: 900; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}

/* Buttons */
.btn-main {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 16px 48px; border: none; border-radius: 50px; cursor: pointer;
  font-family: 'Orbitron', sans-serif; font-size: 1.4rem; font-weight: 900;
  color: #fff; background: linear-gradient(135deg, var(--pink), #ff6b9d);
  box-shadow: 0 4px 25px rgba(255, 45, 120, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 20px;
}
.btn-main:active { transform: scale(0.95); }
.btn-sub {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.6rem; font-weight: 400;
  opacity: 0.8; margin-top: 2px;
}
.pulse {
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 25px rgba(255, 45, 120, 0.4); }
  50% { box-shadow: 0 4px 40px rgba(255, 45, 120, 0.7); }
}

/* Patreon */
.patreon-link {
  display: inline-block; padding: 10px 24px;
  background: var(--card); border: 1px solid var(--pink);
  border-radius: 50px; color: var(--pink);
  text-decoration: none; font-size: 0.85rem; font-weight: 700;
  transition: background 0.3s, transform 0.2s;
}
.patreon-link:hover { background: rgba(255,45,120,0.15); }

/* ===== GAME HUD ===== */
.game-hud {
  display: flex; justify-content: center; gap: 16px;
  width: 100%; max-width: 900px;
  padding: 10px 0; margin-bottom: 12px; flex-wrap: wrap;
}
.hud-item {
  display: flex; flex-direction: column; align-items: center;
  background: var(--card); border-radius: 10px;
  padding: 6px 18px; min-width: 80px;
  border: 1px solid rgba(255,255,255,0.06);
}
.hud-label {
  font-size: 0.6rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1px;
}
.hud-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem; font-weight: 900;
  color: var(--cyan);
}
.timer-box .hud-value { color: var(--success); }
.timer-box.warning .hud-value { color: var(--gold); }
.timer-box.danger .hud-value { color: var(--error); animation: blink 0.5s infinite; }
@keyframes blink {
  50% { opacity: 0.4; }
}

/* ===== IMAGES CONTAINER ===== */
.images-container {
  display: flex; gap: 16px;
  width: 100%; max-width: 900px;
  justify-content: center; align-items: flex-start;
}
.image-panel {
  flex: 1; max-width: 440px;
  display: flex; flex-direction: column; align-items: center;
}
.panel-label {
  font-size: 0.75rem; font-weight: 700;
  color: var(--cyan); margin-bottom: 6px;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0,229,255,0.3);
}
.canvas-wrapper {
  position: relative; width: 100%;
  border-radius: 12px; overflow: hidden;
  border: 2px solid rgba(255,255,255,0.08);
  background: var(--darker);
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.canvas-wrapper canvas {
  display: block; width: 100%; height: auto;
  cursor: crosshair;
}

/* Left panel original border */
.image-panel:first-child .canvas-wrapper {
  border-color: rgba(0,229,255,0.2);
}
/* Right panel modified border */
.image-panel:last-child .canvas-wrapper {
  border-color: rgba(255,45,120,0.3);
}

/* ===== FEEDBACK OVERLAY ===== */
.feedback-overlay {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem; font-weight: 900;
  z-index: 100; pointer-events: none;
  text-shadow: 0 0 30px currentColor;
}
.feedback-overlay.hidden { display: none; }
.feedback-overlay.found {
  color: var(--success);
  animation: feedbackPop 0.8s ease-out forwards;
}
.feedback-overlay.wrong {
  color: var(--error);
  animation: feedbackPop 0.6s ease-out forwards;
}
@keyframes feedbackPop {
  0% { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
  30% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* ===== FOUND MARKER (on canvas wrapper) ===== */
.found-marker {
  position: absolute; width: 50px; height: 50px;
  border: 3px solid var(--success);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: markerAppear 0.5s ease-out;
  box-shadow: 0 0 15px rgba(0,255,136,0.5), inset 0 0 15px rgba(0,255,136,0.2);
}
.found-marker::after {
  content: '✓'; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: var(--success); font-size: 1.2rem; font-weight: 900;
}
@keyframes markerAppear {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  60% { transform: translate(-50%, -50%) scale(1.3); }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* Wrong click marker */
.wrong-marker {
  position: absolute; width: 40px; height: 40px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: wrongFade 0.6s ease-out forwards;
  color: var(--error); font-size: 1.5rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
}
@keyframes wrongFade {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  30% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* ===== ROUND CLEAR ===== */
.round-clear-container {
  text-align: center;
}
.round-clear-title {
  font-size: 2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--success), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}
.round-clear-stats {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem; color: var(--cyan);
  margin-bottom: 24px;
  display: flex; gap: 24px; justify-content: center;
}

/* ===== RESULT SCREEN ===== */
.result-container {
  text-align: center; max-width: 500px;
}
.result-title { margin-bottom: 24px; }
.result-stats {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 24px;
}
.stat-row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border-radius: 12px; padding: 14px 20px;
  border: 1px solid rgba(255,255,255,0.05);
}
.stat-label {
  font-size: 0.85rem; color: var(--text-dim); text-align: left;
}
.stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem; font-weight: 900;
  color: var(--cyan);
}
.result-rank {
  font-size: 1.8rem; font-weight: 900;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--gold), var(--pink));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Share button */
.btn-share {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border: none; border-radius: 50px;
  background: #000; color: #fff; font-size: 0.9rem;
  font-weight: 700; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  transition: background 0.3s; margin-bottom: 12px;
}
.btn-share:hover { background: #1a1a2e; }
.result-buttons {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  margin-bottom: 20px;
}

/* ===== MOBILE ===== */
@media (max-width: 700px) {
  .images-container {
    flex-direction: column; align-items: center;
  }
  .image-panel {
    max-width: 95vw; width: 100%;
  }
  .game-hud { gap: 8px; }
  .hud-item { padding: 4px 12px; }
  .hud-value { font-size: 1rem; }
  .feedback-overlay { font-size: 1.8rem; }
}