:root {
  --pink: #ff8fab; --yellow: #ffd23f; --green: #06d6a0;
  --blue: #118ab2; --rose: #ef476f; --purple: #c9b8f0;
  --ink: #073b4c; --bg: #eaf6ff;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Comic Sans MS", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink); overflow: hidden;
  background: linear-gradient(125deg, #eaf6ff, #ffe9f3, #eafff6, #fff7e0);
  background-size: 320% 320%;
  animation: bg-shift 18s ease-in-out infinite;
}
@keyframes bg-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.scene { position: fixed; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; }

/* 中英双语：中文为主，英文小一号在下方 */
.en { display: block; font-size: 0.55em; font-weight: 700; opacity: 0.72;
  margin-top: 4px; letter-spacing: 0.3px; }

/* 背景漂浮装饰（由 celebrate.js 注入） */
.decor-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.decor { position: absolute; opacity: .55; animation: drift ease-in-out infinite; }
.decor-circle { border-radius: 50%; }
.decor-ring { border-radius: 50%; background: transparent !important; border: 8px solid var(--pink); }
.decor-tri { width: 0 !important; height: 0 !important; background: transparent !important;
  border-left: 30px solid transparent; border-right: 30px solid transparent; }
@keyframes drift {
  0%   { transform: translateY(0) rotate(0deg); }
  50%  { transform: translateY(-30px) rotate(28deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

/* 旧版静态形状（页面内联用）也漂起来 */
.shape { position: absolute; z-index: 0; animation: drift 7s ease-in-out infinite; }
.circle { border-radius: 50%; }
.tri { width: 0; height: 0; background: transparent !important; }

h1.title { font-size: 64px; font-weight: 900; z-index: 2;
  text-shadow: 4px 4px 0 var(--yellow); margin: 0 0 40px;
  animation: title-bounce 2.6s ease-in-out infinite; }
@keyframes title-bounce {
  0%,100% { transform: scale(1) rotate(-2deg); }
  50% { transform: scale(1.05) rotate(2deg); }
}

.btn-row { display: flex; gap: 32px; z-index: 2; flex-wrap: wrap; justify-content: center; }
.big-btn { border: none; cursor: pointer; padding: 36px 56px; border-radius: 28px;
  font-size: 36px; font-weight: 900; color: var(--ink);
  box-shadow: 6px 7px 0 rgba(0,0,0,.18); transition: transform .15s ease; }
.big-btn:hover { transform: translateY(-5px) scale(1.06) rotate(-1.5deg); }
.big-btn:active { transform: translateY(3px) scale(.98); }
.btn-junior { background: var(--yellow); }
.btn-senior { background: var(--green); }
.btn-again { background: var(--pink); }
.btn-home { background: var(--purple); }

/* 大字母：呼吸 + 摇摆 */
.big-letter { font-size: 210px; font-weight: 900; color: var(--rose);
  text-shadow: 7px 7px 0 var(--yellow); z-index: 2;
  animation: letter-bounce 2.2s ease-in-out infinite; }
@keyframes letter-bounce {
  0%,100% { transform: scale(1) rotate(-3deg); }
  50% { transform: scale(1.08) rotate(3deg); }
}
.prompt { font-size: 32px; font-weight: 800; color: var(--blue); z-index: 2; margin-top: 8px; }

/* 倒计时圆环：又大又可爱 */
.timer { position: fixed; top: 22px; right: 24px; width: 148px; height: 148px;
  border-radius: 50%; border: 14px solid var(--green); background: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 76px; font-weight: 900; color: var(--ink); z-index: 5;
  box-shadow: 6px 7px 0 rgba(0,0,0,.18), inset 0 0 0 6px #eafff6;
  animation: timer-breathe 2s ease-in-out infinite; }
@keyframes timer-breathe {
  0%,100% { transform: scale(1) rotate(-1.5deg); }
  50% { transform: scale(1.05) rotate(1.5deg); }
}
.timer.warn { border-color: var(--rose); color: var(--rose);
  box-shadow: 6px 7px 0 rgba(0,0,0,.18), inset 0 0 0 6px #ffe9f0;
  animation: timer-pulse .55s ease-in-out infinite; }
@keyframes timer-pulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.16); }
}

/* 气泡糖单词 */
.bubbles { position: fixed; left: 24px; right: 24px; bottom: 40px;
  display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; z-index: 3; }
.bub { padding: 18px 32px; border-radius: 32px; font-size: 40px; font-weight: 900;
  color: var(--ink); background: #fff; box-shadow: 5px 6px 0 rgba(0,0,0,.18);
  animation: pop .55s cubic-bezier(.18,1.5,.4,1) both; }
/* 没对上的词：可爱的白色斜气泡（仍然展示，无负面感） */
.bub:not(.ok) { border: 4px dashed var(--purple); transform: rotate(var(--r, -3deg)); }
/* 对上的词：发光绿气泡 + 持续轻摆 */
.bub.ok { background: var(--green); color: #053; border: 4px solid #fff;
  box-shadow: 0 0 0 6px rgba(6,214,160,.35), 5px 6px 0 rgba(0,0,0,.18);
  animation: pop .55s cubic-bezier(.18,1.5,.4,1) both, wiggle 1.6s .55s ease-in-out infinite; }
.bub .star { font-size: 28px; vertical-align: super;
  display: inline-block; animation: star-pop 1.2s ease-in-out infinite; }
@keyframes pop {
  0% { transform: scale(.3) rotate(-12deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(var(--r, 0deg)); }
  100% { transform: scale(1) rotate(var(--r, 0deg)); opacity: 1; }
}
@keyframes wiggle {
  0%,100% { transform: rotate(-3deg) scale(1); }
  50% { transform: rotate(3deg) scale(1.04); }
}
@keyframes star-pop {
  0%,100% { transform: scale(1) rotate(0); }
  50% { transform: scale(1.4) rotate(18deg); }
}

/* 中班进行中：从上往下的纵向布局，避免单词与句子重叠 */
#play { position: fixed; inset: 0; display: flex; flex-direction: column;
  align-items: center; padding: 14px 24px 22px; }
#play .big-letter { font-size: 130px; }
#play .prompt { margin-top: 6px; }

/* 中班“单词 + 句子”条目列表（可滚动）；与上方字母拉开距离 */
.entries { margin-top: 52px; width: min(94vw, 1120px); flex: 1 1 auto; min-height: 0;
  overflow-y: auto; display: flex; flex-direction: column; gap: 16px;
  align-items: center; padding: 6px 0; z-index: 3; }
.entry { display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap; width: 100%; }
.entry .bub { font-size: 42px; }
.entry-sentence { font-size: 40px; font-weight: 800; color: var(--ink); line-height: 1.25;
  text-align: center; }
.entry-sentence:empty { display: none; }
.entry-sentence b { color: var(--rose); background: var(--yellow);
  padding: 2px 12px; border-radius: 14px; display: inline-block;
  animation: wiggle 1.4s ease-in-out infinite; }

/* 中班首页字母气泡 */
.letter-grid { display: flex; flex-wrap: wrap; gap: 28px; justify-content: center; z-index: 2; }
.letter-bubble { width: 124px; height: 124px; border-radius: 28px; border: 5px solid #fff; cursor: pointer;
  font-size: 62px; font-weight: 900; color: var(--ink);
  box-shadow: 5px 6px 0 rgba(0,0,0,.18); animation: floaty 2.2s ease-in-out infinite;
  transition: transform .15s ease; }
.letter-bubble:hover { transform: scale(1.12) rotate(-4deg); }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-16px) rotate(4deg); } }

/* 结束总结卡片 */
.summary-card { z-index: 6; background: #fff; border-radius: 40px; padding: 44px 56px;
  box-shadow: 10px 12px 0 rgba(0,0,0,.18); max-width: 86vw; border: 8px solid var(--yellow);
  animation: card-in .6s cubic-bezier(.18,1.5,.4,1) both; }
@keyframes card-in {
  0% { transform: scale(.3) rotate(-8deg); opacity: 0; }
  70% { transform: scale(1.08); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
.summary-emoji { font-size: 96px; animation: title-bounce 1.4s ease-in-out infinite; }
.summary-title { font-size: 56px; font-weight: 900; margin: 6px 0 18px; color: var(--rose);
  text-shadow: 4px 4px 0 var(--yellow); }
.summary-body { font-size: 30px; font-weight: 800; color: var(--ink); margin-bottom: 28px; }
.summary-stat { color: var(--green); font-size: 40px; }
/* 总结里的鼓励语（预生成 TTS 配音 + 文字） */
.encourage { margin: 20px auto 0; font-size: 28px; font-weight: 900; color: var(--blue);
  background: #fff; border: 3px dashed var(--green); border-radius: 20px; padding: 12px 24px;
  display: inline-block; animation: pop .5s cubic-bezier(.18,1.5,.4,1) both; }

.summary-words { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
  margin-top: 18px; max-width: 70vw; }
.summary-words .bub { font-size: 30px; padding: 12px 22px; }
.summary-list { display: flex; flex-direction: column; gap: 12px;
  margin-top: 18px; max-height: 50vh; overflow-y: auto; }
.summary-entry { display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap; }
.summary-entry .bub { font-size: 26px; padding: 10px 18px; }
.summary-list .summary-sentence { font-size: 26px; margin-top: 0; }
.summary-sentence { font-size: 32px; margin-top: 14px; }
.summary-sentence b { color: var(--rose); background: var(--yellow);
  padding: 2px 10px; border-radius: 12px; }

/* 撒花 */
.confetti-bit { position: fixed; top: -30px; z-index: 30; border-radius: 4px;
  animation-name: confetti-fall; animation-timing-function: linear; animation-fill-mode: forwards; }
@keyframes confetti-fall {
  0% { transform: translateY(-12vh) rotate(0deg); opacity: 1; }
  100% { transform: translateY(115vh) rotate(760deg); opacity: 1; }
}

/* 返回按钮：糖果药丸 */
.hint { position: fixed; top: 26px; left: 24px; z-index: 5; text-decoration: none;
  font-size: 24px; font-weight: 900; color: var(--ink);
  background: var(--yellow); padding: 12px 24px; border-radius: 999px;
  border: 4px solid #fff; box-shadow: 4px 5px 0 rgba(0,0,0,.18);
  transition: transform .15s ease; }
.hint:hover { transform: translateY(-3px) scale(1.06) rotate(-2deg); }
.hint:active { transform: translateY(2px) scale(.97); }
.hidden { display: none !important; }