* { box-sizing: border-box; }

/* iPad / touch: no grey tap flash, no double-tap zoom, no text-size jumps on rotate */
html { -webkit-text-size-adjust: 100%; }
* { -webkit-tap-highlight-color: transparent; }
button, .word { touch-action: manipulation; }

body {
  margin: 0;
  font-family: "Comic Sans MS", "Chalkboard SE", "Segoe UI", Arial, sans-serif;
  background: #fff8e7;
  color: #333;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  padding-top: max(12px, env(safe-area-inset-top));
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
  background: #ffcc4d;
  box-shadow: 0 3px 0 #e6b030;
}
header h1 { margin: 0; font-size: 1.8rem; flex: 1; text-align: center; }
.star-total { font-size: 1.6rem; font-weight: bold; }

main { max-width: 760px; margin: 0 auto; padding: 20px 16px max(60px, env(safe-area-inset-bottom)); }

button { font-family: inherit; cursor: pointer; color: inherit; }

.home-btn {
  font-size: 1.1rem;
  padding: 10px 16px;
  min-height: 44px;
  border: none;
  border-radius: 12px;
  background: #fff;
}

.hello { font-size: 1.6rem; text-align: center; }

/* Story list */
.story-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.story-tile {
  background: #fff;
  border: 4px solid #8ecae6;
  border-radius: 20px;
  padding: 16px 8px;
  text-align: center;
  font-size: 1.3rem;
  transition: transform 0.1s;
}
.story-tile:active { transform: scale(0.96); }
.story-tile .pic { font-size: 3.5rem; display: block; }
.story-tile .stars { font-size: 1.2rem; display: block; margin-top: 6px; min-height: 1.5em; }

/* Story */
.story-card {
  background: #fff;
  border-radius: 24px;
  padding: 20px 24px;
  border: 4px solid #8ecae6;
  text-align: center;
}
.story-picture { font-size: 5rem; }
.story-card h2 { font-size: 2rem; margin: 4px 0 12px; color: #219ebc; }
.story-text {
  font-size: 1.5rem;
  line-height: 1.7;
  text-align: left;
}
.story-text p { margin: 0 0 18px; }
.word {
  cursor: pointer; border-radius: 6px; padding: 0 2px;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.word:active { background: #ffe8a3; }
.word.speaking { background: #ffcc4d; }

.big-btn {
  font-size: 1.4rem;
  padding: 12px 24px;
  margin-top: 16px;
  border: none;
  border-radius: 16px;
  background: #219ebc;
  color: #fff;
  box-shadow: 0 4px 0 #156b80;
}
.big-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #156b80; }
.tip { color: #888; font-size: 1rem; }

/* Questions */
.quiz { margin-top: 24px; }
.question {
  background: #fff;
  border-radius: 20px;
  border: 4px solid #ffcc4d;
  padding: 16px 20px;
  margin-bottom: 16px;
}
.question h3 {
  font-size: 1.5rem;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.say-btn {
  border: none;
  background: #ffe8a3;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.choices { display: grid; gap: 10px; }
.choice {
  font-size: 1.4rem;
  text-align: left;
  padding: 12px 16px;
  border: 3px solid #ddd;
  border-radius: 14px;
  background: #fafafa;
}
.choice:active:not(:disabled) { border-color: #219ebc; }

/* Hover effects only for a mouse; on iPad they would "stick" after a tap */
@media (hover: hover) {
  .story-tile:hover { transform: scale(1.05); }
  .word:hover { background: #ffe8a3; }
  .choice:hover:not(:disabled) { border-color: #219ebc; }
}
.choice.correct { background: #c8f7c5; border-color: #3aa835; }
.choice.wrong { background: #ffd1d1; border-color: #e05555; }
.choice:disabled { cursor: default; }
.feedback { font-size: 1.4rem; margin-top: 10px; min-height: 1.6em; }

/* Result */
.result {
  text-align: center;
  background: #fff;
  border-radius: 24px;
  border: 4px solid #3aa835;
  padding: 24px;
  font-size: 1.6rem;
}
.result .big-stars { font-size: 3.5rem; letter-spacing: 6px; }

@media (max-width: 500px) {
  header h1 { font-size: 1.3rem; }
  .story-text { font-size: 1.3rem; }
}