* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background:
    radial-gradient(circle at top left, rgba(244, 114, 182, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(196, 181, 253, 0.22), transparent 26%),
    linear-gradient(135deg, #fff9fc, #fdf4ff, #f9f5ff);
  color: #4b2e4f;
  min-height: 100vh;
  overflow-x: hidden;
}

.sparkles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, #f9a8d4 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  animation: sparkleMove 20s linear infinite;
  z-index: 0;
}

@keyframes sparkleMove {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-200px);
  }
}

.screen {
  display: none;
  min-height: 100vh;
  padding: 40px 7%;
  position: relative;
  z-index: 1;
}

.screen.active {
  display: block;
}

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
}

.tag {
  display: inline-block;
  background: rgba(244, 114, 182, 0.12);
  color: #c0267a;
  border: 1px solid rgba(244, 114, 182, 0.25);
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-size: 14px;
}

.hero h1 {
  font-size: 76px;
  line-height: 1;
  margin-bottom: 18px;
  color: #5b315f;
}

.hero-text {
  font-size: 20px;
  color: #7a5b80;
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.primary-btn {
  background: linear-gradient(135deg, #f472b6, #fb7185);
  color: white;
  border: none;
  border-radius: 14px;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.25s;
  box-shadow: 0 10px 24px rgba(244, 114, 182, 0.22);
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(244, 114, 182, 0.28);
}

.primary-btn:active {
  transform: scale(0.96);
}

.hero-card,
.section-box,
.fighter-card,
.question-panel,
.result-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(236, 72, 153, 0.1);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(214, 150, 186, 0.16);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 32px;
}

.hero-card h3 {
  color: #db2777;
  font-size: 28px;
  margin-bottom: 12px;
}

.hero-card p {
  color: #6f4d77;
  font-size: 18px;
  line-height: 1.7;
}

.mini-stats {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.mini-stats span {
  padding: 10px 14px;
  background: #fff1f7;
  border-radius: 12px;
  color: #7c3f67;
  border: 1px solid #fbcfe8;
}

.section-box {
  padding: 40px;
  margin-top: 20px;
}

.section-box h2,
.battle-header h2 {
  text-align: center;
  font-size: 54px;
  margin-bottom: 12px;
  color: #5b315f;
}

.subtext {
  text-align: center;
  color: #7a5b80;
  font-size: 18px;
  margin-bottom: 34px;
}

.topic-grid,
.boss-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.topic-card,
.boss-card {
  background: linear-gradient(135deg, #fff7fb, #faf5ff);
  border: 2px solid transparent;
  border-radius: 22px;
  padding: 26px;
  cursor: pointer;
  transition: 0.3s;
  min-height: 180px;
  box-shadow: 0 10px 20px rgba(236, 72, 153, 0.08);
}

.topic-card:hover,
.boss-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: #f472b6;
  box-shadow: 0 10px 40px rgba(244, 114, 182, 0.25);
}

.topic-card.selected,
.boss-card.selected {
  border-color: #f472b6;
  background: linear-gradient(135deg, #ffe4f1, #f3e8ff);
  box-shadow: 0 0 0 1px rgba(244, 114, 182, 0.18), 0 0 30px rgba(244, 114, 182, 0.14);
}

.topic-icon,
.boss-emoji {
  font-size: 42px;
  margin-bottom: 14px;
}

.topic-card h3,
.boss-card h3 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #5b315f;
}

.topic-card p,
.boss-card p {
  color: #7a5b80;
  line-height: 1.6;
  font-size: 17px;
}

.bottom-actions {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

#selectedTopicText,
#selectedBossText {
  font-size: 18px;
  color: #db2777;
  font-weight: bold;
}

.battle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

#battleBossHeading {
  color: #db2777;
  font-size: 22px;
  margin-top: 6px;
}

.question-counter {
  background: #ffe4f1;
  color: #be185d;
  padding: 12px 18px;
  border-radius: 14px;
  font-weight: bold;
  border: 1px solid #fbcfe8;
}

.arena {
  display: grid;
  grid-template-columns: 260px 1fr 260px;
  gap: 24px;
  align-items: center;
  margin-top: 24px;
}

.fighter-card {
  padding: 24px;
  text-align: center;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fighter-label {
  color: #db2777;
  font-weight: bold;
  font-size: 20px;
  margin-bottom: 18px;
}

.fighter {
  font-size: 110px;
  transition: transform 0.35s ease;
}

.status-pill {
  margin: 18px auto 0;
  display: inline-block;
  background: #e0f2fe;
  color: #0369a1;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: bold;
}

.status-pill.danger {
  background: #ffe4e6;
  color: #be123c;
}

.question-panel {
  padding: 30px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.question-panel h3 {
  font-size: 34px;
  line-height: 1.4;
  text-align: center;
  margin-bottom: 26px;
  color: #5b315f;
}

.options-box {
  display: grid;
  gap: 14px;
}

.option-btn {
  width: 100%;
  background: #fff;
  color: #5b315f;
  border: 2px solid #f3e8ff;
  border-radius: 16px;
  padding: 15px 18px;
  text-align: left;
  font-size: 16px;
  cursor: pointer;
  transition: 0.2s;
}

.option-btn:hover {
  border-color: #f472b6;
  transform: translateX(4px);
  background: #fff7fb;
}

.option-btn.correct {
  background: #ecfdf5;
  border-color: #22c55e;
  color: #166534;
}

.option-btn.wrong {
  background: #fff1f2;
  border-color: #fb7185;
  color: #9f1239;
}

.answer-message {
  margin-top: 20px;
  min-height: 32px;
  text-align: center;
  color: #be185d;
  font-size: 17px;
  font-weight: 600;
}

.hidden-btn {
  display: none;
  margin: 22px auto 0;
}

.result-layout {
  max-width: 1100px;
  margin: 20px auto;
}

.result-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.result-card {
  padding: 28px;
}

.result-card h3 {
  color: #db2777;
  font-size: 28px;
  margin-bottom: 16px;
}

.result-card p {
  color: #6f4d77;
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.result-actions {
  margin-top: 28px;
  text-align: center;
}

.monster-grow-1 {
  transform: scale(1.15);
}

.monster-grow-2 {
  transform: scale(1.35);
}

.monster-grow-3 {
  transform: scale(1.55);
}

.monster-grow-4 {
  transform: scale(1.75);
}

.monster-grow-5 {
  transform: scale(1.95);
}

.victory-glow {
  box-shadow: 0 0 40px rgba(244, 114, 182, 0.4);
  animation: glowPulse 1.5s infinite alternate;
}

@keyframes glowPulse {
  from {
    box-shadow: 0 0 20px rgba(244, 114, 182, 0.2);
  }
  to {
    box-shadow: 0 0 50px rgba(244, 114, 182, 0.5);
  }
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  75% {
    transform: translateX(-5px);
  }
  100% {
    transform: translateX(0);
  }
}

.shake {
  animation: shake 0.3s;
}

@media (max-width: 1050px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 58px;
  }

  .arena {
    grid-template-columns: 1fr;
  }

  .fighter-card {
    min-height: 220px;
  }

  .question-panel {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .topic-grid,
  .boss-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .section-box h2,
  .battle-header h2 {
    font-size: 38px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .screen {
    padding: 28px 5%;
  }
}