:root{
  --bg:#fdf6ee;
  --card:#ffffff;
  --ink:#2f2a26;
  --ink-soft:#7b7168;
  --line:#efe4d6;
  --brand:#ff8a3d;
  --brand-deep:#f2701c;
  --teal:#28b8a8;
  --teal-soft:#e6f7f4;
  --gold:#ffc53d;
  --red:#ef5b5b;
  --shadow:0 8px 24px rgba(120,90,60,.10);
  --shadow-lg:0 18px 48px rgba(120,90,60,.16);
  --r:22px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.5;
  overscroll-behavior:none;
}
#app{min-height:100%;display:flex;flex-direction:column}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,p{margin:0}
.muted{color:var(--ink-soft)}
.hidden{display:none !important}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;position:sticky;top:0;z-index:20;
  background:rgba(253,246,238,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{font-weight:800;font-size:19px;letter-spacing:.5px}
.hbtns{display:flex;gap:8px}
.hbtn{
  width:46px;height:46px;border-radius:14px;background:#fff;box-shadow:var(--shadow);
  font-size:20px;display:grid;place-items:center;
}
.hbtn:active{transform:scale(.94)}

main{flex:1;padding:20px;max-width:1080px;width:100%;margin:0 auto}

/* ---------- 屏幕切换 ---------- */
.screen{display:none;animation:fade .22s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 首页 ---------- */
.hello{display:flex;gap:16px;align-items:center;margin:8px 0 22px}
.hello-emoji{font-size:44px;line-height:1}
.hello h1{font-size:26px;font-weight:800}
.hello p{margin-top:4px}

.cta{
  width:100%;border-radius:var(--r);padding:22px;text-align:left;
  background:linear-gradient(135deg,#ffa45c,#ff7a2f);
  color:#fff;box-shadow:0 12px 28px rgba(255,122,47,.32);
  display:flex;flex-direction:column;gap:6px;
}
.cta:active{transform:scale(.985)}
.cta-main{font-size:23px;font-weight:800}
.cta-sub{font-size:14px;opacity:.9}
.cta.small{width:auto;padding:14px 26px;align-items:center;font-size:17px;font-weight:700}

.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.tile{
  background:var(--card);border-radius:18px;padding:18px 14px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;
  font-size:16px;font-weight:700;
}
.tile:active{transform:scale(.97)}
.tile-ico{font-size:26px}
.tile em{font-style:normal;font-size:13px;font-weight:500;color:var(--ink-soft)}

.streakbar{margin-top:18px;display:flex;gap:6px;align-items:center;font-size:14px;color:var(--ink-soft)}
.streakbar b{color:var(--brand-deep)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line)}
.dot.on{background:var(--gold)}

/* ---------- 头部通用 ---------- */
.sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sec-head h2{font-size:22px;font-weight:800}
.ghost{
  padding:10px 18px;border-radius:12px;background:#fff;box-shadow:var(--shadow);
  font-size:15px;font-weight:600;color:var(--ink-soft);
}
.ghost:active{transform:scale(.96)}
.ghost.tiny{padding:8px 14px;font-size:14px}
.ghost.wide{width:100%;padding:16px;margin-top:10px}
.ghost.danger{color:var(--red)}

/* ---------- 分段控件 ---------- */
.seg{display:flex;gap:8px;background:#fff;padding:6px;border-radius:16px;box-shadow:var(--shadow);margin-bottom:12px}
.seg.small{padding:5px;border-radius:14px}
.seg-btn{flex:1;padding:11px 8px;border-radius:12px;font-weight:700;font-size:15px;color:var(--ink-soft)}
.seg-btn.active{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(255,138,61,.3)}

/* ---------- 单元列表 ---------- */
.unit-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-bottom:14px}
.unit{
  background:var(--card);border-radius:18px;padding:16px;box-shadow:var(--shadow);
  text-align:left;display:flex;flex-direction:column;gap:4px;border:2px solid transparent;
}
.unit.sel{border-color:var(--brand);background:#fff8f2}
.unit:active{transform:scale(.98)}
.unit b{font-size:17px}
.unit span{font-size:13px;color:var(--ink-soft)}
.unit .bar{height:6px;border-radius:3px;background:var(--line);margin-top:8px;overflow:hidden}
.unit .bar i{display:block;height:100%;background:var(--teal);border-radius:3px}

.picker-foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);
  position:sticky;bottom:16px;
}
.num{font-size:15px;font-weight:600}
.num input{
  width:70px;padding:9px;border-radius:10px;border:1px solid var(--line);
  font:inherit;text-align:center;background:#fffaf4;
}

/* ---------- 练习 ---------- */
.p-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.p-meta{font-size:14px;color:var(--ink-soft);flex:1;font-weight:600}
.p-round{font-size:13px;color:var(--brand-deep);font-weight:700;background:#fff3e8;padding:5px 12px;border-radius:20px}
.p-progress{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.p-bar{flex:1;height:10px;border-radius:5px;background:#f1e5d6;overflow:hidden}
.p-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#ffc53d,#ff8a3d);transition:width .35s}
.p-count{font-size:14px;font-weight:800;color:var(--ink-soft);min-width:68px;text-align:right;font-variant-numeric:tabular-nums}

.p-foot{display:flex;justify-content:center;margin-top:auto;padding-top:18px;width:100%}
.nextbtn{
  width:100%;max-width:340px;padding:16px;border-radius:18px;
  background:#fff4e8;box-shadow:var(--shadow);border:2px solid #ffd9bd;
  font-size:18px;font-weight:800;color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.nextbtn span{font-size:22px;line-height:1}
.nextbtn:active{transform:scale(.97);background:#fff4ea}

.card{
  background:var(--card);border-radius:28px;padding:28px 24px 22px;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;align-items:center;text-align:center;
  min-height:520px;justify-content:flex-start;
}
.p-type{
  font-size:13px;font-weight:700;color:var(--teal);background:var(--teal-soft);
  padding:5px 14px;border-radius:20px;margin-bottom:14px;
}
.p-en{
  font-size:44px;font-weight:800;letter-spacing:-.5px;line-height:1.2;
  margin:12px 0 10px;word-break:break-word;max-width:100%;
}
.p-en.long{font-size:32px}
.p-en.xlong{font-size:25px}
.p-zh{font-size:19px;color:var(--ink-soft);min-height:28px;transition:opacity .2s}
.p-zh.hide{opacity:0}

.playbar{display:flex;gap:10px;margin:22px 0 4px;flex-wrap:wrap;justify-content:center}
.pbtn{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:12px 20px;border-radius:16px;background:#fff6ec;font-size:13px;font-weight:700;
  color:#8a6b4f;box-shadow:inset 0 0 0 1px #f6e3cd;
}
.pbtn span{font-size:20px}
.pbtn:active{transform:scale(.95);background:#ffe9d5}
.pbtn.playing{background:#ffe0c7;box-shadow:inset 0 0 0 2px var(--brand)}

.mic-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;margin:18px 0 6px}
.mic{
  position:relative;width:104px;height:104px;border-radius:50%;
  background:linear-gradient(145deg,#33c6b5,#1ea596);
  display:grid;place-items:center;box-shadow:0 12px 26px rgba(30,165,150,.35);
  transition:transform .15s;
}
.mic:active{transform:scale(.94)}
.mic-ico{font-size:42px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.15))}
.mic.rec{background:linear-gradient(145deg,#ff7b7b,#e04848);box-shadow:0 12px 26px rgba(224,72,72,.4)}
.mic.rec .mic-ring{
  position:absolute;inset:-10px;border-radius:50%;border:3px solid rgba(224,72,72,.5);
  animation:pulse 1.1s infinite;
}
@keyframes pulse{0%{transform:scale(.96);opacity:.9}70%{transform:scale(1.14);opacity:0}100%{opacity:0}}
.mic[disabled]{opacity:.5;filter:grayscale(.3)}
.hint{font-size:15px;color:var(--ink-soft);font-weight:600;min-height:22px}

.stars{display:flex;gap:6px;font-size:34px;height:44px;align-items:center;margin-top:8px}
.stars i{font-style:normal;filter:grayscale(1) opacity(.25);transform:scale(.9);transition:all .25s}
.stars i.on{filter:none;transform:scale(1);animation:pop .35s}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.22)}100%{transform:scale(1)}}

.feedback{font-size:15.5px;min-height:46px;max-width:560px;color:var(--ink);margin-top:4px;line-height:1.55}
.feedback .bad{color:var(--red);font-weight:700}
.feedback .good{color:var(--teal);font-weight:700}

.actions{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap;justify-content:center}
.actions button{padding:15px 30px;border-radius:16px;font-weight:800;font-size:17px}
.act-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.3)}
.act-ghost{background:#fff;box-shadow:var(--shadow);color:var(--ink-soft)}
.actions button:active{transform:scale(.96)}

/* ---------- 结果 ---------- */
.result-head{text-align:center;margin:6px 0 22px}
.big-emoji{font-size:60px;line-height:1.1}
.result-head h2{font-size:24px;margin-top:8px}
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.res-cell{background:#fff;border-radius:18px;padding:16px;text-align:center;box-shadow:var(--shadow)}
.res-cell b{display:block;font-size:28px;color:var(--brand-deep)}
.res-cell span{font-size:13px;color:var(--ink-soft)}
.res-list{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.res-row{
  display:flex;align-items:center;gap:12px;background:#fff;border-radius:14px;padding:12px 16px;
  box-shadow:var(--shadow);font-size:15px;
}
.res-row .rt{flex:1;text-align:left}
.res-row .st{font-size:15px;letter-spacing:1px}
.res-row.weak{box-shadow:inset 3px 0 0 var(--red),var(--shadow)}
.res-actions{display:flex;flex-direction:column;gap:10px}

/* ---------- 成绩 ---------- */
.chart-wrap{background:#fff;border-radius:18px;padding:14px;box-shadow:var(--shadow);margin:16px 0}
.chart-wrap canvas{width:100%;display:block}
.sub-h{font-size:16px;margin:18px 0 10px;color:var(--ink-soft)}
.hard-list{display:flex;flex-direction:column;gap:8px}
.hard-row{background:#fff;border-radius:14px;padding:13px 16px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center}
.hard-row .he{font-weight:700;flex:1}
.hard-row .hz{color:var(--ink-soft);font-size:14px}
.hard-row .hs{color:var(--red);font-size:13px;font-weight:700}
.empty{text-align:center;color:var(--ink-soft);padding:40px 0;font-size:15px}
.small-note{font-size:13.5px;line-height:1.6}

/* ---------- 家长设置 ---------- */
.pnl{background:#fff;border-radius:18px;padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.pnl h3{font-size:16px;margin-bottom:10px}
.fld{display:block;font-size:14px;font-weight:600;color:var(--ink-soft);margin:12px 0}
.fld input,.fld select{
  display:block;width:100%;margin-top:6px;padding:13px 14px;border-radius:12px;
  border:1px solid var(--line);background:#fffaf4;font:inherit;font-size:16px;color:var(--ink);
}
.chk{display:flex;align-items:center;gap:10px;font-size:15px;margin:12px 0;font-weight:600}
.chk input{width:22px;height:22px;accent-color:var(--brand)}
.row{display:flex;gap:10px;align-items:center;margin-top:10px}
.row.end{justify-content:flex-end}
.row.wrap{flex-wrap:wrap}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
textarea{
  display:block;width:100%;margin-top:10px;padding:13px 14px;border-radius:12px;
  border:1px solid var(--line);background:#fffaf4;font:inherit;font-size:15px;color:var(--ink);
  resize:vertical;line-height:1.6;
}
.key-state{font-size:13.5px;font-weight:700;color:var(--ink-soft)}
.key-state.ok{color:var(--teal)}
.key-state.bad{color:var(--red)}

/* ---------- 弹层 ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  background:rgba(47,42,38,.92);color:#fff;padding:12px 22px;border-radius:14px;
  font-size:15px;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:80vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal{position:fixed;inset:0;background:rgba(47,42,38,.45);display:grid;place-items:center;z-index:70;padding:24px}
.modal-box{background:#fff;border-radius:20px;padding:26px;width:min(360px,100%);box-shadow:var(--shadow-lg)}
.modal-box h3{font-size:18px;margin-bottom:14px}
.modal-box input{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);font:inherit;text-align:center;letter-spacing:8px;font-size:20px}

/* ---------- 平板横屏 ---------- */
@media (min-width:820px){
  .p-en{font-size:56px}
  .p-en.long{font-size:40px}
  .p-en.xlong{font-size:30px}
  .card{min-height:560px}
  main{padding:26px 32px}
}
@media (max-width:420px){
  .p-en{font-size:34px}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .tiles{grid-template-columns:1fr;gap:10px}
  .tile{flex-direction:row;align-items:center;gap:12px}
}