/* ============================================================
   语法星球闯关 · 缤纷泼彩儿童风格
   配色提取自泼彩水彩猫插画：
   浅粉底 #F6D3DB / 紫罗兰 #6C2BD9 / 深紫 #4A1E96
   玫红 #E8365D / 粉红 #F2637F / 活力橙 #ED7D31
   奶油白 #FDF6E3 / 猫眼绿 #7CB342 / 深紫墨 #33184F
   ============================================================ */

:root{
  --ink:#33184F;              /* 正文主色(深紫墨) */
  --ink-soft:#71618F;
  --paper:#FDF6E3;            /* 奶油白卡底 */

  --coral:#E8365D; --coral-deep:#C22749; --coral-soft:#FBDDE4;   /* 玫红 */
  --pinkhot:#F2637F; --pinkhot-soft:#FDE3EA;                     /* 粉红 */
  --gold:#ED7D31; --gold-deep:#D16618;  --gold-soft:#FDE4D2;     /* 活力橙 */
  --blue:#6C2BD9; --blue-deep:#4A1E96;  --blue-soft:#E9DDFB;     /* 紫罗兰 */
  --purple:#6C2BD9; --purple-deep:#4A1E96; --purple-soft:#E9DDFB;
  --mint:#7CB342; --mint-deep:#5F9432; --mint-soft:#E6F2D8;      /* 正确=猫眼绿 */
  --warn:#E8365D; --warn-deep:#C22749; --warn-soft:#FBDDE4;      /* 错误=玫红 */

  --radius:22px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(74,30,150,.14);
  --shadow-soft:0 4px 16px rgba(74,30,150,.08);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Heiti SC",-apple-system,sans-serif;
}

*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; color:var(--ink); font-family:var(--font);
  line-height:1.6; min-height:100vh; overflow-x:hidden;
  background:linear-gradient(160deg,#F6D3DB,#F8DEE6 45%,#EFD0E2);
}

/* ---------- 泼彩背景层 ---------- */
.bg-blobs{
  position:fixed; inset:0; z-index:-1; pointer-events:none; overflow:hidden;
  background:
    radial-gradient(42% 34% at 12% 8%,  rgba(232,54,93,.30), transparent 70%),
    radial-gradient(46% 40% at 88% 12%, rgba(108,43,217,.26), transparent 70%),
    radial-gradient(55% 48% at 82% 82%, rgba(237,125,49,.24), transparent 72%),
    radial-gradient(50% 42% at 8% 88%,  rgba(242,99,127,.28), transparent 72%),
    radial-gradient(30% 26% at 50% 50%, rgba(124,179,66,.10), transparent 72%);
  animation:blobDrift 26s ease-in-out infinite alternate;
}
@keyframes blobDrift{
  0%{transform:translate(0,0) scale(1);}
  100%{transform:translate(-1.5%,1.5%) scale(1.06);}
}

/* ---------- 顶部 hero ---------- */
.hero{
  padding:26px 20px 8px; max-width:1060px; margin:0 auto;
}
.hero-inner{
  display:flex; align-items:center; gap:16px;
  background:rgba(253,246,227,.62); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.8); border-radius:var(--radius);
  padding:16px 20px; box-shadow:var(--shadow-soft);
}
.mascot{font-size:44px; line-height:1; animation:mascotBob 3.2s ease-in-out infinite;}
@keyframes mascotBob{0%,100%{transform:translateY(0) rotate(-3deg);}50%{transform:translateY(-6px) rotate(3deg);}}
.hero h1{
  margin:0; font-size:26px; font-weight:900; letter-spacing:1.5px;
  background:linear-gradient(92deg,var(--purple-deep) 10%,var(--purple) 38%,var(--coral) 68%,var(--gold) 96%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{margin:2px 0 0; font-size:13px; color:var(--ink-soft);}
.hero-summary{margin-left:auto; display:flex; gap:14px; font-size:14px; font-weight:700; text-align:center;}
.hero-summary > div{background:rgba(255,255,255,.75); border-radius:12px; padding:6px 12px; box-shadow:var(--shadow-soft);}
.points-total{color:var(--gold-deep);}

/* ---------- 关卡地图 ---------- */
.map{max-width:1060px; margin:0 auto; padding:14px 20px 40px;}
.zone{margin:22px 0;}
.zone-head{display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; margin:10px 4px 14px;}
.zone-name{font-size:21px; font-weight:800; color:var(--purple-deep);}
.zone-chip{
  font-size:12px; font-weight:600; padding:2px 10px; border-radius:999px;
  background:var(--zone-chip-bg,var(--purple-soft)); color:var(--zone-chip-fg,var(--purple));
}
.zone-lock{font-size:13px; color:var(--ink-soft);}
.zone-cards{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(168px,1fr)); gap:14px;
}
.topic-card{
  position:relative; border-radius:var(--radius); padding:16px 14px 14px;
  background:var(--card-bg,linear-gradient(150deg,#FFFDF6,var(--tp-soft)));
  border:2px solid rgba(255,255,255,.92); box-shadow:var(--shadow-soft);
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease;
  overflow:hidden;
}
.topic-card::before{ /* 卡片顶部泼彩色带 */
  content:""; position:absolute; top:0; left:0; right:0; height:6px;
  background:linear-gradient(90deg,var(--tp),var(--tp-2,#F2637F));
}
.topic-card:active{transform:scale(.97);}
.topic-card.locked{opacity:.55; cursor:not-allowed;}
.topic-card.locked:active{transform:none;}
.topic-emoji{font-size:38px; line-height:1;}
.topic-name{font-weight:800; font-size:16px; margin-top:8px;}
.topic-desc{font-size:12px; color:var(--ink-soft); margin-top:2px; min-height:32px;}
.topic-levels{display:flex; gap:6px; margin-top:10px; align-items:center; flex-wrap:wrap;}
.lv{
  font-size:11px; font-weight:700; padding:3px 9px; border-radius:999px;
  background:rgba(255,255,255,.85); color:var(--ink-soft); border:1.5px solid transparent;
  display:inline-flex; align-items:center; gap:3px;
}
.lv.done{background:var(--tp-soft); color:var(--ink); border-color:var(--tp);}
.lv.locked{opacity:.5;}
.topic-badge{position:absolute; top:12px; right:12px; font-size:18px;}
.card-lock-badge{position:absolute; top:12px; right:12px; font-size:16px;}

/* ---------- 闯关页 ---------- */
.quiz-header{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; gap:12px;
  padding:12px 16px; margin:0 auto; max-width:860px;
  background:rgba(253,246,227,.8); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.85);
}
.icon-btn{
  width:46px; height:46px; border-radius:14px; border:none; font-size:22px; cursor:pointer;
  background:#FFFDF6; color:var(--ink); box-shadow:var(--shadow-soft); flex:none;
}
.quiz-title-box{flex:1; min-width:0;}
.quiz-title{font-weight:800; font-size:16px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.quiz-sub{font-size:12px; color:var(--ink-soft);}
.progress-box{flex:none; width:150px; text-align:right;}
.progress-track{height:12px; background:rgba(51,24,79,.12); border-radius:999px; overflow:hidden;}
.progress-fill{height:100%; width:0%; border-radius:999px;
  background:linear-gradient(90deg,var(--tp,#6C2BD9),var(--tp-2,#E8365D));
  transition:width .35s ease;}
.progress-text{font-size:12px; font-weight:700; color:var(--ink-soft); margin-top:3px;}

.quiz-area{max-width:860px; margin:0 auto; padding:18px 16px 110px;}

/* 答题卡 */
.q-card{
  background:rgba(253,246,227,.88); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius); padding:22px; box-shadow:var(--shadow); border:1px solid rgba(255,255,255,.92);
}
.q-head{display:flex; align-items:center; gap:10px; margin-bottom:12px;}
.q-num{
  font-size:13px; font-weight:800; color:#fff; background:var(--tp,#6C2BD9);
  border-radius:10px; padding:3px 10px; flex:none;
}
.q-type-chip{font-size:12px; font-weight:700; color:var(--ink-soft); background:rgba(51,24,79,.07); padding:3px 10px; border-radius:999px;}
.q-text{font-size:20px; font-weight:600; line-height:1.7; margin:8px 0 18px; word-break:break-word;}
.q-text .blank{color:var(--tp); font-weight:800; letter-spacing:.5px;}

/* 单选选项 */
.opt-list{display:grid; gap:12px;}
.opt{
  min-height:56px; display:flex; align-items:center; gap:12px;
  background:#FFFDF6; border:2.5px solid rgba(51,24,79,.12); border-radius:var(--radius-sm);
  padding:10px 18px; font-size:19px; font-weight:600; cursor:pointer; text-align:left;
  transition:transform .12s ease, border-color .12s, background .12s;
}
.opt:active{transform:scale(.98);}
.opt .opt-key{
  font-size:13px; font-weight:800; width:28px; height:28px; flex:none; border-radius:9px;
  background:rgba(51,24,79,.09); display:flex; align-items:center; justify-content:center;
}
.opt.correct{border-color:var(--mint); background:var(--mint-soft); animation:pop .4s ease;}
.opt.wrong{border-color:var(--warn); background:var(--warn-soft); animation:shake .4s ease;}
.opt.reveal-ok{border-color:var(--mint); background:var(--mint-soft);}
.opt.disabled{pointer-events:none;}

/* 完形填空 */
.cloze-passage{font-size:19px; line-height:2; background:#FFFDF6; border-radius:var(--radius-sm);
  padding:16px 18px; border:2px solid rgba(51,24,79,.10);}
.cloze-passage .slot{
  display:inline-block; min-width:88px; padding:1px 10px; margin:0 3px;
  border-bottom:3px solid var(--tp,#6C2BD9); border-radius:8px; text-align:center;
  font-weight:800; color:var(--tp); cursor:pointer; background:var(--tp-soft);
}
.cloze-passage .slot.filled{color:var(--ink);}
.cloze-passage .slot.correct{border-color:var(--mint); background:var(--mint-soft); color:var(--ink);}
.cloze-passage .slot.wrong{border-color:var(--warn); background:var(--warn-soft); color:var(--ink);}
.chip-row{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;}
.chip{
  min-height:42px; padding:6px 16px; border-radius:999px; border:2.5px solid rgba(51,24,79,.14);
  background:#FFFDF6; font-size:17px; font-weight:700; cursor:pointer;
}
.chip:active{transform:scale(.95);}
.chip.used{opacity:.35; pointer-events:none;}

/* 连词成句 */
.word-bank{display:flex; flex-wrap:wrap; gap:10px; min-height:64px; padding:10px 4px 14px;}
.word-card{
  min-height:52px; padding:8px 20px; border-radius:16px; font-size:20px; font-weight:800;
  background:var(--tp-soft,#E9DDFB); color:var(--ink); border:2.5px solid var(--tp,#6C2BD9);
  cursor:pointer; box-shadow:var(--shadow-soft); transition:transform .1s;
}
.word-card:active{transform:scale(.93);}
.slot-row{display:flex; flex-wrap:wrap; gap:8px; min-height:64px; padding:12px; margin-top:6px;
  background:rgba(255,255,255,.55); border:2.5px dashed rgba(51,24,79,.22); border-radius:var(--radius-sm);}
.slot-cell{
  min-height:52px; min-width:70px; padding:8px 14px; border-radius:14px; font-size:19px; font-weight:800;
  background:#FFFDF6; border:2px solid rgba(51,24,79,.14); display:flex; align-items:center; justify-content:center;
  cursor:pointer; color:var(--ink);
}
.slot-cell.punct{background:transparent; border-style:dashed; border-color:rgba(51,24,79,.28); color:var(--ink-soft); cursor:default;}
.slot-cell.empty{background:rgba(51,24,79,.05); border-style:dashed; color:transparent;}
.slot-cell:active{transform:scale(.95);}

/* 填空-字母卡 */
.letter-bank{display:flex; flex-wrap:wrap; gap:8px; min-height:56px; padding:8px 4px 14px;}
.letter-card{
  width:52px; height:52px; border-radius:14px; font-size:26px; font-weight:800;
  background:var(--tp-soft); color:var(--ink); border:2.5px solid var(--tp);
  display:flex; align-items:center; justify-content:center; cursor:pointer; text-transform:lowercase;
}
.letter-card.space{width:64px; font-size:16px; color:var(--ink-soft); border-style:dashed;}
.letter-card:active{transform:scale(.9);}
.letter-slot-row{display:flex; flex-wrap:wrap; gap:6px; padding:12px; margin-top:6px;
  background:rgba(255,255,255,.55); border:2.5px dashed rgba(51,24,79,.22); border-radius:var(--radius-sm);}
.letter-slot{
  width:46px; height:52px; border-radius:12px; background:#FFFDF6; border:2px solid rgba(51,24,79,.14);
  display:flex; align-items:center; justify-content:center; font-size:26px; font-weight:800; color:var(--ink);
}
.letter-slot.space-slot{width:30px; background:transparent; border:none; color:var(--ink-soft); font-size:16px;}
.letter-slot.empty{background:rgba(51,24,79,.06); border-style:dashed;}
/* v2.1 动态答案框（不暴露答案长度） */
.letter-answer-box{display:flex; flex-wrap:wrap; gap:6px; padding:12px; margin-top:6px; min-height:66px;
  background:rgba(255,255,255,.55); border:2.5px dashed rgba(51,24,79,.22); border-radius:var(--radius-sm);
  align-items:center; justify-content:center;}
.letter-answer-box .letter-slot{width:auto; min-width:40px; padding:0 8px; cursor:pointer; transition:transform .12s;}
.letter-answer-box .letter-slot:active{transform:scale(.9);}
.letter-answer-hint{font-size:14px; color:var(--ink-soft);}

/* 文本框填空 */
.fill-input{
  width:100%; max-width:340px; font-size:22px; font-weight:800; text-align:center;
  padding:12px 16px; border:3px solid var(--tp,#6C2BD9); border-radius:var(--radius-sm);
  color:var(--ink); background:#FFFDF6; outline:none;
}
.fill-input:focus{box-shadow:0 0 0 4px var(--tp-soft);}

/* 提示 */
.hint-box{margin-top:14px; font-size:14px; color:var(--ink-soft); background:var(--gold-soft);
  border-radius:12px; padding:10px 14px; display:none;}
.hint-box.show{display:block; animation:pop .3s ease;}

/* 解析面板 */
.analysis-panel{
  margin-top:16px; border-radius:var(--radius-sm); padding:14px 16px; display:none;
  background:var(--warn-soft); border-left:5px solid var(--warn);
}
.analysis-panel.ok{background:var(--mint-soft); border-left-color:var(--mint);}
.analysis-panel.show{display:block; animation:slideDown .35s ease;}
.analysis-panel .a-title{font-weight:800; font-size:15px; margin-bottom:4px;}
.analysis-panel .a-body{font-size:14px; color:var(--ink);}
.analysis-panel .a-wrong-answer{margin-top:6px; font-size:14px; font-weight:700; color:var(--warn-deep,#C22749);}

/* 操作区 */
.action-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:20;
  background:rgba(253,246,227,.88); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.85); padding:12px 16px calc(12px + env(safe-area-inset-bottom));
}
.action-inner{max-width:860px; margin:0 auto; display:flex; gap:12px; justify-content:center; align-items:center;}
.btn{
  min-height:58px; padding:10px 34px; border:none; border-radius:18px; cursor:pointer;
  font-size:20px; font-weight:800; color:#fff;
  background:linear-gradient(135deg,var(--tp,#6C2BD9),var(--tp-2,#E8365D));
  box-shadow:0 6px 18px rgba(74,30,150,.26); transition:transform .12s ease, opacity .15s;
}
.btn:active{transform:scale(.96);}
.btn:disabled{opacity:.35; cursor:not-allowed; transform:none;}
.btn.ghost{background:#FFFDF6; color:var(--ink); box-shadow:var(--shadow-soft); border:2px solid rgba(51,24,79,.12);}
.btn.big{min-width:220px;}
.btn.gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));}

/* ---------- 结果页 ---------- */
.result-card{
  text-align:center; padding:30px 22px; margin-top:10px;
  background:rgba(253,246,227,.9); border-radius:var(--radius); box-shadow:var(--shadow); border:1px solid rgba(255,255,255,.92);
}
.result-emoji{font-size:64px; animation:pop .6s ease;}
.result-title{font-size:26px; font-weight:800; margin:10px 0 4px; color:var(--purple-deep);}
.result-sub{font-size:15px; color:var(--ink-soft);}
.result-stats{display:flex; justify-content:center; gap:26px; margin:10px 0 6px; flex-wrap:wrap;}
.stat{background:rgba(51,24,79,.06); border-radius:14px; padding:10px 18px; min-width:110px;}
.stat b{display:block; font-size:24px; color:var(--tp,#6C2BD9);}
.stat span{font-size:12px; color:var(--ink-soft); font-weight:700;}
.result-actions{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-top:18px;}
.new-badge{display:inline-block; margin-top:8px; font-size:14px; font-weight:800; color:#fff;
  background:linear-gradient(135deg,var(--coral),var(--gold)); padding:6px 18px; border-radius:999px; animation:pop .5s .9s ease both;}

/* 错题卡复习 */
.wrong-list{margin-top:18px; text-align:left; display:grid; gap:10px;}
.wrong-card{background:#FFFDF6; border:2px solid rgba(51,24,79,.12); border-radius:var(--radius-sm); padding:14px 16px;}
.wrong-card .wq{font-weight:700; font-size:15px;}
.wrong-card .wa{margin-top:6px; font-size:13px; color:var(--ink-soft);}
.wrong-card .wa b{color:var(--mint-deep);}

/* 彩屑 */
.confetti{position:fixed; inset:0; pointer-events:none; overflow:hidden; z-index:50;}
.confetti i{
  position:absolute; top:-20px; width:12px; height:18px; border-radius:3px; opacity:0;
  animation:confFall linear forwards;
}
@keyframes confFall{
  0%{opacity:1; transform:translate(0,-10px) rotate(0);}
  100%{opacity:0; transform:translate(var(--dx,0),110vh) rotate(720deg);}
}

/* ---------- 动画 ---------- */
@keyframes pop{0%{transform:scale(.85);}60%{transform:scale(1.06);}100%{transform:scale(1);}}
@keyframes shake{0%,100%{transform:translateX(0);}20%{transform:translateX(-7px);}40%{transform:translateX(7px);}60%{transform:translateX(-5px);}80%{transform:translateX(5px);}}
@keyframes slideDown{from{opacity:0; transform:translateY(-8px);}to{opacity:1; transform:translateY(0);}}

@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.q-card{animation:fadeIn .3s ease;}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  .bg-blobs,.mascot{animation:none !important;}
  .confetti i{animation:none !important; display:none;}
  *{transition-duration:.01s !important; animation-duration:.01s !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:620px){
  .hero h1{font-size:21px;}
  .hero-summary{flex-direction:column; gap:6px; font-size:12px;}
  .zone-cards{grid-template-columns:repeat(auto-fill,minmax(145px,1fr)); gap:10px;}
  .q-text{font-size:18px;}
  .progress-box{width:110px;}
  .btn{padding:10px 22px; font-size:18px;}
  .word-card{font-size:18px; padding:6px 14px;}
  .slot-cell{font-size:17px;}
}

/* ===== v2.3 小猫吉祥物（流体画真图 · 右下角中图版）===== */
.cat-mascot{position:fixed; right:10px; bottom:calc(84px + env(safe-area-inset-bottom)); width:204px; z-index:8; pointer-events:none;}
.cat-mascot #catBody{width:100%; aspect-ratio:1; transition:transform .2s;}
.cat-mascot #catBody img{width:100%; height:100%; object-fit:cover; display:block; filter:drop-shadow(0 8px 20px rgba(74,30,150,.32)); border-radius:14px;}
.cat-mascot.happy #catBody{animation:catJump .6s ease;}
.cat-mascot.sad #catBody{animation:catShake .5s ease;}
.cat-bubble{position:absolute; right:calc(100% + 14px); bottom:70px; max-width:210px; background:#FFFDF6; border:2px solid var(--pinkhot,#F2637F);
  border-radius:14px; padding:8px 12px; font-size:14px; font-weight:700; color:var(--ink); white-space:nowrap;
  box-shadow:0 2px 6px rgba(74,30,150,.14); opacity:0; transform:translateY(4px); transition:opacity .25s, transform .25s;}
.cat-bubble.show{opacity:1; transform:translateY(0);}
.cat-bubble::after{content:""; position:absolute; right:-7px; bottom:18px; width:12px; height:12px; background:#FFFDF6;
  border-right:2px solid var(--pinkhot,#F2637F); border-top:2px solid var(--pinkhot,#F2637F); transform:rotate(45deg);}
@keyframes catJump{0%{transform:translateY(0)}30%{transform:translateY(-14px) scale(1.05)}60%{transform:translateY(0)}100%{transform:translateY(0)}}
@keyframes catShake{0%,100%{transform:rotate(0)}25%{transform:rotate(-4deg)}50%{transform:rotate(4deg)}75%{transform:rotate(-2deg)}}
@media (max-width:1100px){.cat-mascot{width:136px;}}
@media (max-width:560px){.cat-mascot{width:116px; right:6px; bottom:calc(78px + env(safe-area-inset-bottom));} .cat-bubble{font-size:12px; max-width:170px; bottom:30px;}}

/* ===== v2.2 今日该复习 · 到期清单 ===== */
.review-zone{padding:0 12px;}
.review-banner{max-width:720px; margin:6px auto 16px; padding:16px 18px; background:rgba(253,246,227,.94);
  border-radius:var(--radius); box-shadow:var(--shadow-soft); border-top:6px solid var(--warn,#E8365D);}
.review-head{display:flex; align-items:center; gap:10px;}
.review-title{font-size:18px; font-weight:900; color:var(--ink,#33184F);}
.review-count{min-width:26px; height:26px; padding:0 7px; border-radius:13px; background:var(--warn,#E8365D); color:#fff;
  font-size:15px; font-weight:900; display:inline-flex; align-items:center; justify-content:center;}
.review-sub{font-size:13px; color:var(--ink-soft,#71618F); margin:6px 0 12px; line-height:1.6;}
.review-chips{display:flex; flex-direction:column; gap:8px;}
.review-chip{display:flex; align-items:center; gap:10px; text-align:left; width:100%; padding:10px 14px; cursor:pointer;
  background:#FFFDF6; border:1.5px solid rgba(232,54,93,.28); border-radius:var(--radius-sm);
  box-shadow:var(--shadow-soft); font-family:inherit;}
.review-chip:active{transform:scale(.98);}
.review-chip-icon{font-size:20px; flex:0 0 auto;}
.review-chip-name{font-size:15px; font-weight:800; color:var(--ink,#33184F); flex:1 1 auto; line-height:1.4;}
.review-chip-reason{flex:0 0 auto; font-size:12px; color:#C22749; background:#FBDDE4; padding:3px 9px; border-radius:999px; white-space:nowrap;}
@media (max-width:560px){.review-chip-name{font-size:14px;} .review-chip-reason{font-size:11px; padding:2px 7px;} .review-banner{padding:13px 14px;}}