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

:root {
  --bg: #0a0a0f;
  --surface: #14141f;
  --border: #2a2a3a;
  --pink: #ff2d78;
  --cyan: #00e5ff;
  --gold: #ffd700;
  --text: #e8e8f0;
  --text-dim: #8888aa;
}

body {
  font-family: 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
  -webkit-user-select: none;
  overflow-x: hidden;
}

/* ===== Header ===== */
.header {
  text-align: center;
  padding: 16px 8px 8px;
  width: 100%;
  max-width: 440px;
}
.header h1 {
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--pink), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ===== Score Bar ===== */
.score-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 8px;
  width: 100%;
  max-width: 440px;
}
.score-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 16px;
  text-align: center;
  min-width: 80px;
}
.score-box .label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.score-box .value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
}
.score-box .value.best {
  color: var(--gold);
}

/* ===== Game Area ===== */
.game-area {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 8px 0;
}

#game-canvas {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15), 0 0 40px rgba(255, 45, 120, 0.1);
  cursor: crosshair;
  touch-action: none;
}

.next-bubble-box {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
}
.next-bubble-box .label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}
#next-canvas {
  display: block;
}

/* ===== Overlay ===== */
.overlay {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(10, 10, 15, 0.95);
  border: 2px solid var(--pink);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  z-index: 10;
  min-width: 240px;
}
.overlay.active { display: block; }
.overlay h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--pink);
}
.final-score, .final-level {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-dim);
}
.final-score span, .final-level span {
  color: var(--cyan);
  font-weight: 700;
}

/* ===== Buttons ===== */
.controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 8px;
  flex-wrap: wrap;
}
.btn {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { border-color: var(--cyan); color: var(--cyan); }
.btn.primary {
  background: linear-gradient(135deg, var(--pink), #ff6b9d);
  border: none;
  color: #fff;
  font-weight: 600;
}
.btn.primary:hover { opacity: 0.85; }
.overlay .btn { margin: 6px 4px; }

/* ===== Patreon CTA ===== */
.patreon-cta {
  text-align: center;
  margin: 16px 0;
  padding: 16px;
  background: linear-gradient(135deg, rgba(255,45,120,0.1), rgba(0,229,255,0.1));
  border: 1px solid var(--border);
  border-radius: 12px;
  width: calc(100% - 32px);
  max-width: 440px;
}
.patreon-cta a {
  color: var(--pink);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}
.patreon-cta a:hover { text-decoration: underline; }
.cta-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ===== How to Play ===== */
.how-to-play {
  width: calc(100% - 32px);
  max-width: 440px;
  margin-bottom: 16px;
}
.how-to-play details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.how-to-play summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--cyan);
}
.how-to-play .content {
  margin-top: 10px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.footer a { color: var(--pink); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .header h1 { font-size: 1.3rem; }
  .score-box { padding: 4px 10px; min-width: 65px; }
  .score-box .value { font-size: 1.1rem; }
  .btn { padding: 7px 12px; font-size: 0.8rem; }
}