:root{
  --green:#58cc02; --green-d:#46a302; --blue:#1cb0f6; --blue-d:#1899d6; --red:#ff4b4b; --red-d:#ea2b2b; --orange:#ff9600; --gold:#ffc800; --gold-d:#e5a900;
  --purple:#ce82ff; --purple-d:#a560e8; --pink:#ff86d0; --ink:#3c3c3c; --muted:#777; --line:#e5e5e5; --soft:#f7f7f7; --bg:#fff;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  --font: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;color:var(--ink);font-family:var(--font);background:var(--bg);min-height:100dvh;overscroll-behavior-y:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;touch-action:manipulation}
a{color:inherit;text-decoration:none}
img{display:block}
.hidden{display:none!important}
main{max-width:600px;margin:0 auto;padding:12px 16px calc(var(--safe-b) + 96px)}
.loading{text-align:center;padding-top:30vh;color:var(--muted);font-weight:700}
.loading img{margin:0 auto 10px}

/* top bar: solid, no blur */
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:2px solid var(--line);padding:calc(var(--safe-t) + 8px) 16px 8px}
.topbar .in{max-width:600px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{display:flex;align-items:center;gap:6px;font-weight:900;font-size:22px;color:var(--green);letter-spacing:-.3px}
.brand img{width:32px;height:32px}
.stats{display:flex;gap:12px;font-weight:800;font-size:15px}
.stats span{display:flex;align-items:center;gap:3px}
.stats .fire{color:var(--orange)} .stats .xp{color:var(--gold-d)} .stats .goal{color:var(--blue)}
.stats .off{filter:grayscale(1);opacity:.6}
body.lesson-mode .topbar,body.lesson-mode .tabbar{display:none}

/* tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:2px solid var(--line);display:flex;justify-content:space-around;padding:6px 8px calc(var(--safe-b) + 6px)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:1px;font-size:11px;font-weight:800;color:#afafaf;padding:4px 12px;border-radius:12px;border:2px solid transparent;text-transform:uppercase;letter-spacing:.3px}
.tabbar a span{font-size:24px;filter:grayscale(.7)}
.tabbar a.active{color:var(--blue);background:#ddf4ff;border-color:#84d8ff}
.tabbar a.active span{filter:none}

/* 3D buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 20px;border-radius:16px;font-weight:800;font-size:16px;letter-spacing:.6px;text-transform:uppercase;background:#fff;color:var(--ink);border:2px solid var(--line);border-bottom-width:5px;transition:transform .08s}
.btn:active{transform:translateY(3px);border-bottom-width:2px;margin-top:3px}
.btn.green{background:var(--green);border-color:var(--green-d);color:#fff}
.btn.blue{background:var(--blue);border-color:var(--blue-d);color:#fff}
.btn.red{background:var(--red);border-color:var(--red-d);color:#fff}
.btn.gold{background:var(--gold);border-color:var(--gold-d);color:#fff}
.btn.purple{background:var(--purple);border-color:var(--purple-d);color:#fff}
.btn.ghost{border-color:transparent;background:transparent;color:var(--blue)}
.btn.wide{width:100%}
.btn.sm{min-height:38px;padding:7px 12px;font-size:13px;border-radius:12px;border-bottom-width:4px}
.btn:disabled{background:#e5e5e5!important;border-color:#e5e5e5!important;color:#afafaf!important}

/* path */
.unit{border-radius:16px;padding:14px 16px;color:#fff;margin:14px 0 8px;display:flex;justify-content:space-between;align-items:center;border-bottom:5px solid rgba(0,0,0,.18)}
.unit .k{font-size:13px;font-weight:800;opacity:.9;text-transform:uppercase;letter-spacing:.6px}
.unit h2{margin:2px 0 0;font-size:20px;font-weight:900}
.review-card{display:flex;align-items:center;gap:12px;border:2px solid var(--line);border-radius:16px;padding:12px;margin-bottom:6px}
.review-card .t{font-weight:800}.review-card .s{font-size:13px;color:var(--muted)}
.path{position:relative;display:flex;flex-direction:column;align-items:center;gap:54px;padding:50px 0 10px}
.node-wrap{position:relative;display:flex;flex-direction:column;align-items:center}
.node{position:relative;width:74px;height:70px;border-radius:50%;display:grid;place-items:center;font-size:32px;background:var(--green);border-bottom:7px solid var(--green-d);color:#fff}
.node:active{transform:translateY(4px);border-bottom-width:3px}
.node.done{background:var(--gold);border-color:var(--gold-d)}
.node.locked{background:#e5e5e5;border-color:#cecece;filter:grayscale(1)}
.node .ico{transform:translateY(-2px)}
.node.current::before{content:"";position:absolute;inset:-9px;border-radius:50%;border:5px solid rgba(88,204,2,.35);animation:ring 1.6s ease-out infinite}
@keyframes ring{0%{transform:scale(.85);opacity:1}100%{transform:scale(1.18);opacity:0}}
.start-tip{position:absolute;top:-46px;background:#fff;border:2px solid var(--line);color:var(--green);font-weight:900;font-size:14px;padding:6px 12px;border-radius:12px;white-space:nowrap;animation:bob 1.2s ease-in-out infinite;text-transform:uppercase}
.start-tip::after{content:"";position:absolute;left:50%;bottom:-8px;width:12px;height:12px;background:#fff;border-right:2px solid var(--line);border-bottom:2px solid var(--line);transform:translateX(-50%) rotate(45deg)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.node-label{margin-top:6px;font-size:12px;font-weight:800;color:var(--muted);max-width:140px;text-align:center;line-height:1.2}
.cameo{position:absolute;width:92px;height:92px;opacity:.95}
.node-pop{position:absolute;top:100px;left:calc(50% - 140px);z-index:5;width:280px;background:var(--green);color:#fff;border-radius:16px;padding:14px;animation:fadeup .18s ease both}
.node-pop.done{background:var(--gold)} .node-pop.locked{background:#e5e5e5;color:var(--muted)}
.node-pop::before{content:"";position:absolute;top:-8px;left:calc(50% - var(--ax,0px));width:16px;height:16px;background:inherit;transform:translateX(-50%) rotate(45deg)}
.node-pop h3{margin:0 0 2px;font-size:18px;font-weight:900}
.node-pop p{margin:0 0 10px;font-size:14px;font-weight:600;opacity:.95}
.node-pop .btn{width:100%;background:#fff;color:var(--green);border-color:#e5e5e5}
.node-pop.done .btn{color:var(--gold-d)}
.node-pop .jump{display:block;margin:8px auto 0;font-size:13px;font-weight:800;color:var(--blue);text-decoration:underline}
@keyframes fadeup{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* lesson shell */
.lbar{position:fixed;top:0;left:0;right:0;z-index:20;background:#fff;padding:calc(var(--safe-t) + 10px) 16px 10px}
.lbar .in{max-width:600px;margin:0 auto;display:flex;align-items:center;gap:12px}
.lbar .x{font-size:24px;color:#afafaf;width:32px;font-weight:800}
.pbar{flex:1;height:16px;border-radius:10px;background:var(--line);overflow:hidden}
.pbar i{display:block;height:100%;width:0;background:var(--green);border-radius:10px;transition:width .35s ease;position:relative}
.pbar i::after{content:"";position:absolute;left:8px;right:8px;top:4px;height:4px;border-radius:4px;background:rgba(255,255,255,.35)}
.hearts{font-weight:900;color:var(--red);font-size:17px;display:flex;align-items:center;gap:4px;min-width:44px;justify-content:flex-end}
.hearts.hit{animation:shake .4s}
.lesson{padding-top:calc(var(--safe-t) + 58px);padding-bottom:calc(var(--safe-b) + 170px)}
.footer{position:fixed;left:0;right:0;bottom:0;z-index:25;background:#fff;border-top:2px solid var(--line);padding:14px 16px calc(var(--safe-b) + 14px);transition:background-color .2s}
.footer .in{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.footer .row{display:flex;gap:10px}
.footer .row .btn{flex:1}
.footer.ok{background:#d7ffb8;border-top-color:#d7ffb8}
.footer.bad{background:#ffdfe0;border-top-color:#ffdfe0}
.fb{display:flex;align-items:flex-start;gap:12px;animation:fadeup .2s ease both}
.fb .badge{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:24px;flex:0 0 44px}
.fb .t{font-weight:900;font-size:20px}
.footer.ok .fb{color:#58a700} .footer.bad .fb{color:#ea2b2b}
.fb .s{font-size:15px;font-weight:600;margin-top:2px;color:inherit}
.q-title{font-size:22px;font-weight:900;margin:8px 0 14px;line-height:1.25}
.q-sub{font-size:14px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-top:6px}

/* options */
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px;border:2px solid var(--line);border-bottom-width:5px;border-radius:16px;font-size:17px;font-weight:700;line-height:1.3;background:#fff}
.opt .n{flex:0 0 28px;height:28px;border:2px solid var(--line);border-radius:8px;display:grid;place-items:center;font-size:13px;color:#afafaf}
.opt.sel{border-color:#84d8ff;background:#ddf4ff;color:var(--blue-d)}
.opt.sel .n{border-color:#84d8ff;color:var(--blue)}
.opt.right{border-color:#a5ed6e;background:#d7ffb8;color:#58a700}
.opt.wrong{border-color:#ffb2b2;background:#ffdfe0;color:var(--red-d);animation:shake .4s}
.opt:disabled{opacity:1}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
.pop-in{animation:popin .35s cubic-bezier(.2,1.6,.4,1) both}
@keyframes popin{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
.chip{padding:10px 14px;border:2px solid var(--line);border-bottom-width:4px;border-radius:14px;font-weight:800;font-size:16px;background:#fff}
.chip.sel{border-color:#84d8ff;background:#ddf4ff;color:var(--blue-d)}
.sentence{font-size:20px;line-height:1.6;font-weight:700;padding:14px;border:2px solid var(--line);border-radius:16px}
.blank{display:inline-block;min-width:110px;border-bottom:3px solid var(--ink);text-align:center;color:var(--blue);padding:0 4px}
.match{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match .opt{justify-content:center;text-align:center;font-size:15px;min-height:64px;padding:10px}
.match .opt.gone{opacity:.35;border-color:var(--line);background:#fff;color:#afafaf}
.listen-btn{width:120px;height:120px;border-radius:28px;background:var(--blue);border-bottom:7px solid var(--blue-d);color:#fff;font-size:52px;display:grid;place-items:center;margin:8px auto 18px}
.listen-btn:active{transform:translateY(4px);border-bottom-width:3px}
.mascot-say{display:flex;gap:10px;align-items:flex-end;margin:6px 0 14px}
.mascot-say img{width:84px;height:84px;flex:0 0 84px}
.speech{position:relative;border:2px solid var(--line);border-radius:16px;padding:12px 14px;font-size:17px;font-weight:700;line-height:1.4}
.speech::before{content:"";position:absolute;left:-9px;bottom:18px;width:14px;height:14px;background:#fff;border-left:2px solid var(--line);border-bottom:2px solid var(--line);transform:rotate(45deg)}

/* learn cards */
.lcard{border:2px solid var(--line);border-radius:20px;padding:16px;border-bottom-width:5px}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.7px;padding:4px 10px;border-radius:999px;color:#fff}
.tag.power{background:var(--blue)} .tag.slang{background:linear-gradient(90deg,#ce82ff,#ff86d0)}
.lcard .w{font-size:32px;font-weight:900;margin:10px 0 2px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lcard .pos{font-size:14px;color:var(--muted);font-weight:800;font-style:italic}
.pron{font-size:16px;color:var(--muted);font-weight:700}
.pron code{font-family:ui-monospace,Menlo,monospace;font-size:14px;margin-left:6px}
.syl{display:flex;gap:5px;flex-wrap:wrap;margin:10px 0}
.syl span{padding:4px 10px;border-radius:10px;background:var(--soft);font-weight:800;border:2px solid var(--line)}
.syl span.st{background:var(--blue);border-color:var(--blue-d);color:#fff;transform:translateY(-3px)}
.lcard .m{font-size:18px;font-weight:700;line-height:1.4;margin:8px 0}
.ex{font-size:16px;line-height:1.5;padding:10px 12px;border-radius:12px;background:var(--soft);margin:8px 0;display:flex;gap:8px;align-items:flex-start}
.ex .say{flex:0 0 auto}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:15px;line-height:1.4;margin:10px 0}
.kv b{font-weight:900}
.tone{background:#fff4d6;border:2px solid #ffe08a;border-radius:12px;padding:10px 12px;font-size:15px;font-weight:700;line-height:1.4}
.round{width:46px;height:46px;border-radius:14px;display:inline-grid;place-items:center;background:var(--blue);border-bottom:4px solid var(--blue-d);color:#fff;font-size:20px;flex:0 0 46px}
.round.sm{width:36px;height:36px;font-size:16px;border-radius:11px;flex-basis:36px}
.round.purple{background:var(--purple);border-color:var(--purple-d)}
.round:active{transform:translateY(3px);border-bottom-width:1px}

/* scenes */
.scene-head{display:flex;align-items:center;gap:10px;margin:4px 0 12px}
.scene-head .fmt{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.7px;color:var(--purple-d)}
.scene-head h1{font-size:20px;margin:0;font-weight:900;line-height:1.2}
.scene-head .set{font-size:13px;color:var(--muted);font-weight:700}
.feed{display:flex;flex-direction:column;gap:10px}
.item{animation:fadeup .25s ease both}
.item.active .bubble,.item.active.card-line,.item.active .vn,.item.active.pline,.item.active.story-card{outline:3px solid var(--gold);outline-offset:2px}
.coach{display:flex;gap:8px;align-items:flex-end;margin:4px 0}
.coach img{width:52px;height:52px;flex:0 0 52px}
.coach .bubble{background:#fff;border:2px solid var(--line);border-radius:16px;border-bottom-left-radius:4px;font-size:15px}
.coach .nm{color:var(--green)}
.msg{display:flex;gap:8px;align-items:flex-end;max-width:88%}
.msg.right{align-self:flex-end;flex-direction:row-reverse}
.av{width:36px;height:36px;flex:0 0 36px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:21px;border:2px solid var(--line)}
.bubble{position:relative;padding:9px 12px;border-radius:18px;background:var(--soft);font-size:16.5px;line-height:1.42;font-weight:600}
.msg.left .bubble{border-bottom-left-radius:5px}
.msg.right .bubble{background:var(--blue);color:#fff;border-bottom-right-radius:5px}
.nm{font-size:12px;font-weight:900;margin-bottom:2px}
.msg.right .nm{color:rgba(255,255,255,.85);text-align:right}
.rp{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(0,0,0,.06);font-size:13px;margin-left:6px;vertical-align:middle}
.msg.right .rp{background:rgba(255,255,255,.22)}
.pw{font-weight:900;color:var(--blue-d);border-bottom:3px solid #84d8ff;cursor:pointer}
.msg.right .pw,.story-card .pw{color:#fff;border-bottom-color:rgba(255,255,255,.75)}
.sl{font-weight:900;color:#9b3fd6;background:#f6e6ff;border-radius:8px;padding:0 5px;cursor:pointer;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.msg.right .sl,.story-card .sl{background:rgba(255,255,255,.95);color:#9b3fd6}
.typing{display:flex;gap:4px;padding:12px 14px;border-radius:18px;background:var(--soft);width:max-content;margin-left:44px}
.typing.right{align-self:flex-end;margin-right:44px;background:#d0efff}
.typing i{width:7px;height:7px;border-radius:50%;background:#afafaf;animation:blink 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
/* group */
.ghead{display:flex;align-items:center;gap:10px;padding:10px 12px;border:2px solid var(--line);border-radius:16px;margin-bottom:10px}
.ghead .avs{display:flex}.ghead .avs .av{margin-left:-8px;background:#fff}.ghead .avs .av:first-child{margin-left:0}
.ghead .t{font-weight:900}.ghead .s{font-size:12px;color:var(--muted);font-weight:700}
.c0{color:#e8590c}.c1{color:#1c7ed6}.c2{color:#ae3ec9}.c3{color:#2b8a3e}
/* texts */
.phone{border:2px solid var(--line);border-radius:28px;padding:12px 10px 14px;background:#fff}
.phone .top{text-align:center;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:10px}
.phone .top .av{margin:0 auto 4px;width:44px;height:44px;font-size:26px}
.phone .top .t{font-weight:900;font-size:14px}
.ts{text-align:center;font-size:11px;color:#999;font-weight:700;margin:4px 0}
.msg.right.imsg .bubble{background:#0a84ff}
.delivered{align-self:flex-end;font-size:11px;color:#999;font-weight:700;margin:-6px 8px 0 0}
/* voice notes */
.vn{display:flex;align-items:center;gap:10px;min-width:220px;padding:8px 12px;border-radius:18px;background:#dcf8c6;color:#1f4d1a}
.msg.left .vn{background:var(--soft);color:var(--ink)}
.vn .play{width:34px;height:34px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:14px;flex:0 0 34px}
.wave{display:flex;align-items:center;gap:2px;height:28px;flex:1}
.wave i{display:block;width:3px;border-radius:2px;background:currentColor;opacity:.45}
.item.active .wave i{animation:eq .6s ease-in-out infinite alternate;opacity:.9}
@keyframes eq{from{transform:scaleY(.4)}to{transform:scaleY(1.15)}}
.vn .d{font-size:12px;font-weight:800;opacity:.7}
.transcript{font-size:15px;line-height:1.45;font-weight:600;margin:4px 6px 0;color:#555}
/* podcast */
.studio{border-radius:20px;padding:14px;background:linear-gradient(135deg,#2b2d42,#5a3d8a);color:#fff;margin-bottom:12px}
.studio .row{display:flex;justify-content:space-between;align-items:center}
.onair{font-size:12px;font-weight:900;background:var(--red);padding:4px 9px;border-radius:999px;letter-spacing:.8px}
.onair::before{content:"● ";animation:blink 1s infinite}
.hosts{display:flex;justify-content:space-around;margin-top:12px}
.host{text-align:center;font-weight:800;font-size:13px;opacity:.6;transition:opacity .2s}
.host .av{width:60px;height:60px;font-size:34px;margin:0 auto 4px;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.host.on{opacity:1}
.host.on .av{border-color:var(--gold);transform:scale(1.06)}
.host .role{font-size:11px;opacity:.75;text-transform:uppercase;letter-spacing:.6px}
.pline{padding:10px 12px;border-radius:14px;border:2px solid var(--line);font-size:16.5px;line-height:1.45;font-weight:600}
.pline .who{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.6px;margin-bottom:2px}
/* debate */
.vs{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin-bottom:12px}
.side{border-radius:16px;padding:10px;text-align:center;color:#fff;font-weight:900;border-bottom:5px solid rgba(0,0,0,.2)}
.side .av{margin:0 auto 4px;background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);width:46px;height:46px;font-size:26px}
.side small{display:block;font-size:11px;opacity:.9;text-transform:uppercase;letter-spacing:.6px}
.side.a{background:var(--blue)}.side.b{background:var(--red)}
.vs .v{font-weight:900;font-size:22px;color:var(--orange)}
.card-line{border-radius:16px;padding:10px 12px;border:2px solid;max-width:90%;font-size:16.5px;line-height:1.45;font-weight:600}
.card-line.a{border-color:#84d8ff;background:#effaff;align-self:flex-start}
.card-line.b{border-color:#ffb2b2;background:#fff1f1;align-self:flex-end}
.card-line .who{font-size:12px;font-weight:900;margin-bottom:2px}
/* story */
.story-card{border-radius:20px;padding:16px;color:#fff;font-size:19px;line-height:1.45;font-weight:800;background:linear-gradient(135deg,#ff7a59,#ff3d77)}
.story-card:nth-of-type(3n){background:linear-gradient(135deg,#7c4dff,#d64fe0)}
.story-card:nth-of-type(3n+1){background:linear-gradient(135deg,#00b4d8,#3a86ff)}
.story-card .who{font-size:12px;opacity:.85;text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px}
.story-card .rp{background:rgba(255,255,255,.25)}
.react{align-self:flex-end;max-width:80%}
.scene-ctl{display:flex;gap:8px;justify-content:center;margin-top:10px}

/* speak */
.mic-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;margin:14px 0}
.mic{width:96px;height:96px;border-radius:50%;font-size:40px;background:var(--blue);border-bottom:7px solid var(--blue-d);color:#fff}
.mic.rec{background:var(--red);border-color:var(--red-d);animation:pulse 1.2s infinite}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}
.mic-label{font-size:14px;color:var(--muted);font-weight:700;text-align:center}
.level{width:170px;height:8px;border-radius:8px;background:var(--line);overflow:hidden}
.level i{display:block;height:100%;width:0;background:var(--green);transition:width .08s}
.live{min-height:22px;font-size:15px;color:var(--blue-d);text-align:center;font-style:italic;font-weight:700}
.target{font-size:24px;line-height:1.45;font-weight:900;text-align:center;margin:6px 0}
.target .em{color:var(--blue);text-decoration:underline;text-decoration-thickness:4px;text-underline-offset:5px}
.scores{display:flex;gap:12px;align-items:center;margin:10px 0}
.ring{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:18px;border:5px solid}
.words-out{font-size:18px;line-height:1.7;font-weight:700}
.words-out .ok{color:#58a700}.words-out .miss{color:var(--red);text-decoration:line-through}
.heard{font-size:13px;color:var(--muted);font-weight:700;margin:4px 0 8px}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}
.metric{border:2px solid var(--line);border-radius:14px;padding:9px}
.metric .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;font-weight:800}
.metric .v{font-size:19px;font-weight:900;margin-top:2px}
.metric .h{font-size:12px;color:var(--muted);font-weight:600}
.good{color:#58a700}.meh{color:var(--gold-d)}.bad{color:var(--red)}
canvas.contour{width:100%;height:180px;border:2px solid var(--line);border-radius:14px;display:block;background:#fcfcff}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);margin:6px 2px;font-weight:700}
.legend i{display:inline-block;width:16px;height:4px;vertical-align:middle;margin-right:4px;border-radius:2px}
.tips{margin:10px 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.tips li{background:#ddf4ff;border-radius:12px;padding:10px 12px;font-size:14.5px;line-height:1.45;font-weight:600}
audio.take{width:100%;margin:6px 0}

/* celebration */
.celebrate{text-align:center;padding-top:calc(var(--safe-t) + 40px)}
.celebrate img{width:150px;height:150px;margin:0 auto;animation:hop 1s ease-in-out infinite}
@keyframes hop{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.celebrate h1{font-size:30px;font-weight:900;color:var(--gold-d);margin:14px 0 6px}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
.tile{border:2px solid;border-radius:16px;overflow:hidden}
.tile .k{color:#fff;font-size:12px;font-weight:900;text-transform:uppercase;padding:5px;letter-spacing:.5px}
.tile .v{font-size:22px;font-weight:900;padding:12px 4px}
.tile.xp{border-color:var(--gold)}.tile.xp .k{background:var(--gold)}.tile.xp .v{color:var(--gold-d)}
.tile.acc{border-color:var(--green)}.tile.acc .k{background:var(--green)}.tile.acc .v{color:var(--green-d)}
.tile.st{border-color:var(--orange)}.tile.st .k{background:var(--orange)}.tile.st .v{color:var(--orange)}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:80;overflow:hidden}
#confetti i{position:absolute;top:-20px;width:10px;height:14px;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translate3d(var(--dx),110vh,0) rotate(var(--r))}}

/* words / profile */
h2.sec{font-size:22px;font-weight:900;margin:14px 0 10px}
.seg{display:flex;border:2px solid var(--line);border-radius:14px;padding:3px;margin-bottom:12px}
.seg button{flex:1;padding:9px;border-radius:10px;font-weight:800;font-size:14px;color:var(--muted)}
.seg button.on{background:#ddf4ff;color:var(--blue-d)}
.list{display:flex;flex-direction:column;gap:8px}
.wrow{display:flex;align-items:center;gap:12px;padding:12px;border:2px solid var(--line);border-radius:16px;text-align:left;width:100%}
.wrow .grow{flex:1;min-width:0}
.wrow .t{font-weight:900;font-size:17px}
.wrow .s{font-size:13px;color:var(--muted);font-weight:600;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wrow.locked{opacity:.45}
.str{display:flex;gap:2px;margin-top:5px}.str i{width:14px;height:5px;border-radius:3px;background:var(--line)}.str i.on{background:var(--gold)}
.statgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{border:2px solid var(--line);border-radius:16px;padding:12px;display:flex;gap:10px;align-items:center}
.stat .e{font-size:26px}.stat .v{font-weight:900;font-size:20px}.stat .k{font-size:12px;color:var(--muted);font-weight:700}
.week{display:flex;align-items:flex-end;gap:8px;height:110px;border:2px solid var(--line);border-radius:16px;padding:12px}
.week div{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:800;color:var(--muted);height:100%;justify-content:flex-end}
.week b{display:block;width:100%;border-radius:6px;background:var(--gold);min-height:3px}
.field{margin:12px 0}
.field label{display:block;font-size:14px;font-weight:800;margin-bottom:6px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pills button{padding:8px 14px;border:2px solid var(--line);border-bottom-width:4px;border-radius:12px;font-weight:800}
.pills button.on{border-color:#84d8ff;background:#ddf4ff;color:var(--blue-d)}
select{appearance:none;-webkit-appearance:none;width:100%;font:inherit;font-weight:700;font-size:16px;padding:12px;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.note{font-size:14px;color:var(--muted);line-height:1.55;font-weight:600}
.warn{background:#fff4d6;border:2px solid #ffe08a;border-radius:12px;padding:10px 12px;font-size:14px;line-height:1.45;font-weight:600;margin:8px 0}

/* sheet, popover, toast */
.sheet{position:fixed;inset:0;z-index:50}
.sheet-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.sheet-panel{position:absolute;left:0;right:0;bottom:0;max-width:600px;margin:0 auto;max-height:92dvh;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:#fff;border-radius:24px 24px 0 0;padding:16px 16px calc(var(--safe-b) + 20px);animation:sheetin .25s ease both}
@keyframes sheetin{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.sheet-x{position:sticky;top:0;float:right;width:36px;height:36px;border-radius:50%;background:var(--soft);font-weight:900;z-index:2}
.pop{position:fixed;z-index:60;width:min(290px,calc(100vw - 20px));background:#fff;border:2px solid var(--line);border-radius:16px;padding:12px;font-size:15px;line-height:1.4;font-weight:600}
.pop .w{font-weight:900;font-size:18px;margin:6px 0 2px}
.toast{position:fixed;left:50%;transform:translateX(-50%);top:calc(var(--safe-t) + 70px);z-index:90;background:var(--ink);color:#fff;padding:10px 16px;border-radius:14px;font-size:15px;font-weight:700;max-width:90%;text-align:center;animation:fadeup .2s ease both}
.node-wrap.popped{z-index:30}.path .node-wrap:has(.node-pop){z-index:30}