:root{
  --bg:#FFF9F0;
  --bg2:#FFF1DC;
  --ink:#3B2E23;
  --ink-soft:#8A7A6B;
  --brand:#FF8A3D;
  --brand-2:#FFB03A;
  --mint:#3ECFA8;
  --sky:#5AB6F0;
  --pink:#FF8FB1;
  --line:#F0E2CE;
  --card:#FFFFFF;
  --shadow:0 8px 24px rgba(180,140,90,.12);
  --r:20px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:radial-gradient(1200px 600px at 10% -10%,#FFE6C7 0%,transparent 60%),
             radial-gradient(900px 500px at 100% 0%,#DFF6EF 0%,transparent 55%),
             var(--bg);
  color:var(--ink);overflow:hidden;
}
#app{height:100%;display:flex;flex-direction:column;max-width:1180px;margin:0 auto;padding:14px 16px 10px}

/* ---------- 顶栏 ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:2px 6px 12px}
.brand{display:flex;align-items:center;gap:12px}
.avatar{
  width:52px;height:52px;border-radius:18px;display:grid;place-items:center;font-size:30px;
  background:linear-gradient(150deg,#FFD79B,#FFB067);box-shadow:0 6px 16px rgba(255,140,60,.3)
}
.brand-txt h1{margin:0;font-size:21px;letter-spacing:.5px}
.brand-txt p{margin:2px 0 0;font-size:12px;color:var(--ink-soft)}
.stats{display:flex;align-items:center;gap:10px}
.stat{
  display:flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--line);
  padding:7px 13px;border-radius:999px;font-size:15px;box-shadow:var(--shadow)
}
.stat .ico{font-size:15px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  font-size:18px;cursor:pointer;box-shadow:var(--shadow)
}
.icon-btn:active{transform:scale(.94)}

/* ---------- 布局 ---------- */
.stage{flex:1;display:grid;grid-template-columns:1fr 290px;gap:16px;min-height:0}
.chat-wrap{display:flex;flex-direction:column;min-height:0;position:relative}

/* ---------- 对话 ---------- */
.chat{
  flex:1;overflow-y:auto;padding:14px 12px 6px;border-radius:26px;
  background:linear-gradient(180deg,rgba(255,255,255,.75),rgba(255,255,255,.45));
  border:1px solid rgba(240,226,206,.9);box-shadow:inset 0 1px 0 #fff,var(--shadow);
  scroll-behavior:smooth;
}
.chat::-webkit-scrollbar{width:6px}
.chat::-webkit-scrollbar-thumb{background:#EADBC6;border-radius:9px}

.msg{display:flex;gap:10px;margin-bottom:16px;animation:pop .28s cubic-bezier(.2,1.4,.5,1)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
.msg .bubble{
  max-width:min(560px,78%);padding:12px 16px;border-radius:18px;line-height:1.62;font-size:15.5px;
  background:#fff;border:1px solid var(--line);box-shadow:0 3px 10px rgba(180,140,90,.07)
}
.msg.bot .bubble{border-top-left-radius:6px}
.msg.me{flex-direction:row-reverse}
.msg.me .bubble{
  background:linear-gradient(135deg,#FFE0BE,#FFEFD9);border-color:#FFD9AF;border-top-right-radius:6px
}
.msg .mini-ava{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-size:20px;flex:none;
  background:#FFF1DC;border:1px solid #FFE0BE
}
.msg.me .mini-ava{background:#E8F7F2;border-color:#CBEEE3}

/* 单词卡（气泡内的重点展示） */
.wordcard{
  margin-top:10px;padding:14px;border-radius:16px;text-align:center;
  background:linear-gradient(160deg,#FFF8EE,#FFF0DD);border:1px dashed #F0CFA4
}
.wordcard .emoji{font-size:52px;line-height:1.1;display:block;margin-bottom:2px}
.wordcard .en{font-size:30px;font-weight:800;letter-spacing:1px;color:#E2661B;font-family:"Trebuchet MS",Verdana,sans-serif}
.wordcard .zh{font-size:14px;color:var(--ink-soft);margin-top:2px}
.wordcard .syl{font-size:13px;color:#B08968;margin-top:4px;letter-spacing:1px}
.rowbtns{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.chip{
  border:1.5px solid #F2D3AE;background:#fff;color:#B4622A;border-radius:999px;padding:8px 16px;
  font-size:14px;cursor:pointer;font-weight:600
}
.chip:active{transform:scale(.96);background:#FFF6EA}
.chip.on{background:#FFE8CC;border-color:#F0B36A}

/* 选项卡（点选） */
.opts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}
.opt{
  border:2px solid #F1E1CB;background:#fff;border-radius:16px;padding:12px 8px;cursor:pointer;
  text-align:center;transition:.15s;font-weight:700;font-size:17px;color:#7A5B3E
}
.opt .oe{display:block;font-size:30px;margin-bottom:2px}
.opt:hover{border-color:#FFC98E}
.opt:active{transform:scale(.97)}
.opt.right{border-color:var(--mint);background:#E9FBF4;color:#1E9E7B;animation:shake-y .4s}
.opt.wrong{border-color:#FFA6A6;background:#FFF0F0;color:#D24B4B}
@keyframes shake-y{0%,100%{transform:translateY(0)}40%{transform:translateY(-5px)}70%{transform:translateY(2px)}}

/* 打字动画 */
.typing span{
  display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:#E4C49C;
  animation:blink 1.2s infinite
}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* ---------- 输入区 ---------- */
.inputbar{display:flex;align-items:center;gap:10px;padding:12px 4px 0}
.mic-btn{
  position:relative;flex:none;display:flex;align-items:center;gap:6px;border:none;cursor:pointer;
  padding:12px 14px;border-radius:999px;color:#fff;font-size:15px;font-weight:800;
  background:linear-gradient(140deg,#FF9A45,#FF6E3D);box-shadow:0 8px 20px rgba(255,110,61,.35);
  transition:.15s
}
.mic-btn:active,.mic-btn.rec{transform:scale(.96)}
.mic-btn.rec{background:linear-gradient(140deg,#FF5F6D,#D93A5B)}
.mic-btn .mic-ico{font-size:17px}
.mic-btn .pulse{display:none;position:absolute;inset:0;border-radius:999px;border:2px solid rgba(255,255,255,.6);animation:pulse 1.2s infinite}
.mic-btn.rec .pulse{display:block}
@keyframes pulse{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.35);opacity:0}}

.typed{flex:1;display:flex;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 16px;box-shadow:var(--shadow)}
.typed input{flex:1;border:none;outline:none;font-size:15px;background:transparent;color:var(--ink);min-width:0}
.typed input::placeholder{color:#C3B2A0}
.typed button{
  border:none;border-radius:999px;padding:10px 20px;font-size:14px;font-weight:700;cursor:pointer;
  background:#EEF3F1;color:#4C7A6E
}
.hint{text-align:center;font-size:12px;color:#B8A491;padding:7px 0 2px;min-height:22px}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:12px;overflow-y:auto;padding-right:2px}
.side::-webkit-scrollbar{width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:13.5px;color:var(--ink-soft);font-weight:700;letter-spacing:.4px}
.ring-wrap{position:relative;width:120px;height:120px;margin:0 auto}
.ring{width:120px;height:120px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:#F5EADB;stroke-width:10}
.ring-fg{fill:none;stroke:url(#g);stroke:#FFA94D;stroke-width:10;stroke-linecap:round;stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset .6s cubic-bezier(.2,1,.3,1)}
.ring-num{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring-num b{font-size:26px;color:#E2661B}
.ring-num span{font-size:12px;color:#B8A491}
.ring-label{text-align:center;font-size:12px;color:var(--ink-soft);margin:6px 0 0}
.card .badges-wrap{display:flex;align-items:center;gap:10px}

.badges{display:flex;flex-wrap:wrap;gap:7px}
.badge{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:#F8F3EA;filter:grayscale(1) opacity(.35);transition:.3s
}
.badge.got{filter:none;background:linear-gradient(150deg,#FFF3D9,#FFE3B0);box-shadow:0 3px 8px rgba(230,170,80,.3)}

.tip-card ol{margin:0;padding-left:18px;font-size:12.5px;line-height:1.85;color:#6E5B49}
.tip-card b{color:#D2691E}
.warn{font-size:11.5px;color:#C0563F;margin:8px 0 0;line-height:1.5}

/* ---------- 设置面板 ---------- */
.sheet{
  position:fixed;inset:0;background:rgba(59,46,35,.35);display:none;place-items:center;z-index:50;
  backdrop-filter:blur(3px);padding:18px
}
.sheet.show{display:grid;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet-inner{
  width:min(420px,100%);background:#fff;border-radius:24px;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.2)
}
.sheet-inner h2{margin:0 0 18px;font-size:19px}
.row{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:14px}
.row span{flex:none;width:96px;color:#6E5B49}
.row input[type=range]{flex:1;accent-color:#FF8A3D}
.row input[type=checkbox]{width:20px;height:20px;accent-color:#FF8A3D}
.row b{width:30px;text-align:right;color:#E2661B}
.sheet-btns{display:flex;gap:10px;margin-top:20px}
.sheet-btns button{flex:1;border-radius:14px;padding:12px;font-size:15px;font-weight:700;cursor:pointer;border:none}
.primary{background:linear-gradient(140deg,#FF9A45,#FF6E3D);color:#fff}
.primary.danger{background:linear-gradient(140deg,#FF7A6E,#E04B3E)}
.ghost{background:#F5EFE6;color:#8A7A6B}
.fine{font-size:11px;color:#B8A491;text-align:center;margin:14px 0 0}
.confirm-inner h2{margin:0 0 8px;font-size:18px;text-align:center}
.confirm-txt{margin:0 0 6px;font-size:13.5px;color:#8A7A6B;text-align:center}

/* ---------- 启动门（音频解锁 + 欢迎） ---------- */
.startgate{
  position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;
  background:radial-gradient(900px 500px at 50% -10%,#FFE6C7 0%,transparent 60%),rgba(255,249,240,.92);
  backdrop-filter:blur(4px);transition:opacity .3s
}
.startgate.hide{opacity:0;pointer-events:none}
.sg-inner{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);
  padding:34px 40px;text-align:center;max-width:340px;width:100%}
.sg-ava{width:76px;height:76px;border-radius:24px;margin:0 auto 12px;display:grid;place-items:center;font-size:44px;
  background:linear-gradient(150deg,#FFD79B,#FFB067);box-shadow:0 6px 16px rgba(255,140,60,.3)}
.sg-inner h2{margin:0 0 6px;font-size:21px}
.sg-inner p{margin:0 0 18px;font-size:13.5px;color:#8A7A6B;line-height:1.6}
.sg-btn{
  width:100%;border:none;border-radius:999px;padding:15px;cursor:pointer;
  font-size:17px;font-weight:800;color:#fff;letter-spacing:2px;
  background:linear-gradient(140deg,#FF9A45,#FF6E3D);box-shadow:0 8px 20px rgba(255,110,61,.35)
}
.sg-btn:active{transform:scale(.97)}

/* ---------- 无障碍：大字号/动效降级 ---------- */
@media (max-width:860px){
  .stage{grid-template-columns:1fr}
  #app{padding:8px 10px 6px}
  .brand-txt p{display:none}
  .msg .bubble{max-width:86%;font-size:14.5px;padding:10px 13px}
  /* 顶栏收紧 */
  .topbar{padding:0 2px 8px}
  .avatar{width:42px;height:42px;border-radius:14px;font-size:24px}
  .brand{gap:8px}
  .brand-txt h1{font-size:18px}
  .stat{padding:5px 10px;font-size:13px}
  .icon-btn{width:34px;height:34px;font-size:16px}
  /* 手机端侧栏收成横向精简进度条（圆环+徽章），只藏玩法说明 */
  .stage{grid-template-rows:auto 1fr;grid-template-columns:1fr}
  .side{
    display:flex;flex-direction:row;align-items:stretch;gap:8px;order:-1;
    overflow-x:auto;padding:0 0 4px
  }
  .side .card{flex:none;padding:6px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center}
  .side .progress-card{width:auto}
  .side .card:nth-child(2){min-width:130px}
  .side .tip-card{display:none}
  .ring-wrap{width:60px;height:60px}
  .ring{width:60px;height:60px}
  .ring-num b{font-size:14px}
  .ring-num span{font-size:9px}
  .ring-label{display:none}
  .side h3{font-size:10.5px;margin:0 0 4px}
  .badge{width:26px;height:26px;font-size:14px;border-radius:8px}
  /* 输入区收紧：窄麦克风给输入框让位 */
  .inputbar{gap:8px;padding-top:8px}
  .mic-btn{padding:11px 12px;font-size:14px}
  .mic-btn .mic-ico{font-size:15px}
  .mic-btn .mic-txt{font-size:13px}
  .typed{padding:4px 5px 4px 12px}
  .typed input{font-size:14px}
  .typed button{padding:9px 13px;font-size:13px}
  .hint{font-size:11px;padding:5px 0 0}
  .wordcard .emoji{font-size:42px}
  .wordcard .en{font-size:25px}
  .opt{font-size:15px;padding:10px 6px}
  .opt .oe{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}