:root{
  --bg1:#f3f8ff; --bg2:#fbfdff; --bg3:#fffdf6;
  --ceu:#eaf3fd; --ceu2:#f4f9ff; --line:#dce9f6; --line2:#efe2b4;
  --sol:#fff4cf; --sol2:#fffbec; --sol3:#f6dc86;
  --azul:#1b62ad; --azul2:#2f7bcc; --azul-esc:#123f73; --ink:#17243b; --muted:#56637a;
  --ok:#1f7a4d; --ok-bg:#eaf7ef; --err:#a33a2b; --err-bg:#fdf0ec;
  --wa:#15803d;
  --shadow:0 14px 40px rgba(23,36,59,.07); --shadow2:0 4px 14px rgba(23,36,59,.06);
  --r:20px; --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);font-size:16px;line-height:1.55;font-weight:400;
  background:radial-gradient(ellipse at 90% -10%,rgba(255,226,140,.26),transparent 32rem),radial-gradient(ellipse at -10% 10%,rgba(140,195,245,.22),transparent 30rem),linear-gradient(180deg,var(--bg1),var(--bg2) 45%,var(--bg3));background-attachment:fixed;min-height:100vh;overflow-x:hidden}
h1,h2,h3,h4{font-family:"Plus Jakarta Sans",Inter,sans-serif;font-weight:600;letter-spacing:-.025em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,6.4vw,3.4rem)} h2{font-size:clamp(1.5rem,4.2vw,2.2rem)} h3{font-size:1.18rem}
b,strong{font-weight:600}
p{margin:0 0 .9em}
a{color:var(--azul);text-underline-offset:3px}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid #8cbbea;outline-offset:2px;border-radius:10px}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* header */
.top{position:sticky;top:0;z-index:40;background:rgba(251,253,255,.82);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:0}
.brand img{width:38px;height:38px;border-radius:10px}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand b{font-family:"Plus Jakarta Sans";font-weight:600;font-size:1.08rem}
.brand small{color:var(--muted);font-size:.74rem}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.93rem}
.nav a:hover,.nav a.on{background:var(--ceu)}
.nav .hide-m{display:none}
@media(min-width:760px){.nav .hide-m{display:inline-block}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 20px;font-weight:500;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s,background .2s;min-height:46px;font-size:.98rem;line-height:1.2;text-align:center}
.btn:active{transform:scale(.98)}
.btn-pri{background:var(--azul);color:#fff;box-shadow:0 8px 22px rgba(27,98,173,.22)}
.btn-pri:hover{background:var(--azul-esc)}
.btn-sol{background:var(--sol);color:var(--ink);box-shadow:inset 0 0 0 1px var(--sol3)}
.btn-sol:hover{background:#ffeeb3}
.btn-line{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn-line:hover{background:var(--ceu2)}
.btn-wa{background:#eaf7ef;color:#14532d;box-shadow:inset 0 0 0 1px #bfe3cc}
.btn-sm{padding:8px 14px;min-height:38px;font-size:.9rem}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn svg{width:18px;height:18px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:50%;border:0;background:var(--ceu);display:inline-grid;place-items:center;cursor:pointer;flex:none;color:var(--azul)}
.icon-btn:hover{background:#dbeafb}
.icon-btn svg{width:18px;height:18px}

/* cards */
.card{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.card.sol{background:linear-gradient(160deg,#fffbea,#fff6d6);border-color:var(--line2)}
.card.ceu{background:linear-gradient(160deg,#f6faff,#eaf3fd)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--azul);font-weight:500;margin-bottom:10px}
.muted{color:var(--muted)} .small{font-size:.88rem}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--ceu);color:var(--azul-esc);font-size:.8rem;font-weight:500}
.pill.sol{background:var(--sol);color:#6b5310}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.lock{background:#f1f3f7;color:#6b7385}
.grid{display:grid;gap:16px}
@media(min-width:760px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
section{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:26px}

/* hero */
.hero{padding:40px 0 30px}
.hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.1fr .9fr}.hero{padding:70px 0 50px}}
.hero h1 span{background:linear-gradient(120deg,var(--azul),#4a95dc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.1rem;color:#34425a;max-width:560px}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 12px}
.trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.stage{position:relative;border-radius:28px;padding:22px;background:linear-gradient(165deg,#ffffff,#eef6ff 60%,#fff7dc);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.stage:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,221,120,.45),transparent 70%);top:-80px;right:-60px}
.stage-top{display:flex;gap:16px;align-items:center;position:relative}
.mini-chat{position:relative;display:flex;flex-direction:column;gap:8px;margin-top:14px}

/* Cora avatar */
.cora{width:120px;flex:none;position:relative}
.cora.lg{width:150px}
.cora svg{width:100%;height:auto;display:block;overflow:visible}
.cora .bob{animation:bob 4s ease-in-out infinite;transform-origin:center}
.cora .lid{transform-box:fill-box;transform-origin:center;animation:blink 5s infinite}
.cora .mouth{transform-box:fill-box;transform-origin:center}
.cora.speaking .mouth{animation:talk .28s ease-in-out infinite alternate}
.cora.listening .halo{opacity:1;animation:pulse 1.4s ease-out infinite}
.cora .halo{opacity:0;transform-box:fill-box;transform-origin:center}
.cora.thinking .dots{opacity:1}
.cora .dots{opacity:0;transition:opacity .2s}
.cora .dots circle{animation:dot 1s infinite}
.cora .dots circle:nth-child(2){animation-delay:.15s}.cora .dots circle:nth-child(3){animation-delay:.3s}
@keyframes bob{50%{transform:translateY(-4px)}}
@keyframes blink{0%,92%,100%{transform:scaleY(0)}95%{transform:scaleY(1)}}
@keyframes talk{from{transform:scaleY(.5)}to{transform:scaleY(1.5)}}
@keyframes pulse{from{transform:scale(.9);opacity:.9}to{transform:scale(1.25);opacity:0}}
@keyframes dot{50%{transform:translateY(-3px)}}

/* chat */
.chat{display:flex;flex-direction:column;gap:10px;max-height:56vh;min-height:220px;overflow-y:auto;padding:4px 2px 8px;scroll-behavior:smooth}
.bubble{max-width:88%;padding:11px 14px;border-radius:18px;font-size:.98rem;animation:pop .35s var(--ease)}
.bubble p{margin:0}
.bubble.ai{background:#fff;border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start;box-shadow:var(--shadow2)}
.bubble.me{background:var(--azul);color:#fff;border-bottom-right-radius:6px;align-self:flex-end}
.bubble .hint{margin-top:6px;font-size:.85rem;color:var(--muted)}
.bubble .corr{background:var(--sol2);border:1px solid var(--line2);border-radius:12px;padding:8px 10px;margin-bottom:8px;font-size:.9rem;color:#4b3b07}
.bubble .corr b{color:#6b5310}
.bubble .tools{display:flex;gap:6px;margin-top:6px}
.bubble .tools button{border:0;background:var(--ceu);color:var(--azul);border-radius:999px;padding:4px 10px;font-size:.8rem;cursor:pointer}
.typing{display:inline-flex;gap:4px;padding:14px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:#9bb7d6;animation:dot 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}
.composer{display:flex;gap:8px;align-items:flex-end;margin-top:10px}
.composer textarea{flex:1;min-width:0;border:1px solid var(--line);border-radius:16px;padding:12px 14px;resize:none;min-height:48px;max-height:140px;background:#fff;line-height:1.4}
.mic{width:48px;height:48px;border-radius:50%;border:0;background:var(--sol);box-shadow:inset 0 0 0 1px var(--sol3);display:grid;place-items:center;cursor:pointer;flex:none;color:#6b5310}
.mic.on{background:#ffe08a;animation:pulse2 1.2s infinite}
.mic svg,.send svg{width:20px;height:20px}
.send{width:48px;height:48px;border-radius:50%;border:0;background:var(--azul);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}
@keyframes pulse2{50%{box-shadow:0 0 0 8px rgba(246,220,134,.45)}}

/* phase map */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px}
.stat b{display:block;font-family:"Plus Jakarta Sans";font-size:1.6rem;font-weight:600;color:var(--azul-esc)}
.stat span{font-size:.85rem;color:var(--muted)}
.path{position:relative;display:grid;gap:18px;margin-top:22px}
.path:before{content:"";position:absolute;left:27px;top:20px;bottom:20px;width:3px;background:repeating-linear-gradient(180deg,#cfe2f6 0 10px,transparent 10px 18px);border-radius:3px}
.phase{position:relative;display:grid;grid-template-columns:58px 1fr;gap:14px}
.node{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-family:"Plus Jakarta Sans";font-weight:600;font-size:1.15rem;background:#fff;border:2px solid var(--line);color:var(--muted);position:relative;z-index:1}
.phase.open .node{background:linear-gradient(160deg,#fff,#e3f0fd);border-color:#9cc6ef;color:var(--azul)}
.phase.current .node{background:var(--azul);color:#fff;border-color:var(--azul);box-shadow:0 0 0 6px rgba(27,98,173,.12)}
.phase.done .node{background:var(--sol);border-color:var(--sol3);color:#6b5310}
.phase-body{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow2)}
.phase.locked .phase-body{background:rgba(250,251,253,.8)}
.phase-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:space-between}
.units{display:grid;gap:8px;margin-top:12px}
@media(min-width:760px){.units{grid-template-columns:1fr 1fr}}
.unit-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;text-decoration:none;color:var(--ink);transition:border-color .2s,transform .2s var(--ease)}
.unit-link:hover{border-color:#9cc6ef;transform:translateY(-1px)}
.unit-link .num{width:34px;height:34px;border-radius:10px;background:var(--ceu);display:grid;place-items:center;font-size:.85rem;color:var(--azul);flex:none}
.unit-link.passed .num{background:var(--sol);color:#6b5310}
.unit-link small{display:block;color:var(--muted);font-size:.8rem}
.unit-link .sc{margin-left:auto;font-size:.82rem;color:var(--muted);white-space:nowrap}
.locked .unit-link{pointer-events:none;opacity:.6}
.bar{height:8px;border-radius:99px;background:#e8f0fa;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#7fb4e6,var(--azul));border-radius:99px;transition:width .6s var(--ease)}

/* unit page */
.crumbs{font-size:.88rem;color:var(--muted);margin:18px 0 8px}
.crumbs a{color:var(--muted)}
.steps{display:flex;gap:6px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none;margin:10px 0 14px}
.steps::-webkit-scrollbar{display:none}
.step{flex:none;display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:.9rem;color:var(--ink)}
.step i{width:22px;height:22px;border-radius:50%;background:var(--ceu);display:grid;place-items:center;font-style:normal;font-size:.75rem;color:var(--azul)}
.step.on{background:var(--azul);color:#fff;border-color:var(--azul)}
.step.on i{background:rgba(255,255,255,.2);color:#fff}
.step.done i{background:var(--sol);color:#6b5310}
.point{padding:18px 0;border-top:1px solid var(--line)}
.point:first-of-type{border-top:0;padding-top:4px}
.ex-list{display:grid;gap:8px;margin-top:10px}
.ex-item{display:flex;gap:10px;align-items:center;background:var(--ceu2);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.ex-item div{min-width:0}
.ex-item .en{font-weight:500}
.ex-item .pt{font-size:.88rem;color:var(--muted)}
.tip{display:flex;gap:10px;background:var(--sol2);border:1px solid var(--line2);border-radius:16px;padding:14px;margin-top:14px;color:#4b3b07}
.vocab{display:grid;grid-template-columns:1fr;gap:8px}
@media(min-width:600px){.vocab{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.vocab{grid-template-columns:1fr 1fr 1fr}}
.voc{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 10px}
.voc .icon-btn{width:34px;height:34px}
.voc b{font-weight:500;display:block}
.voc span{font-size:.85rem;color:var(--muted)}
.scenario{display:grid;gap:16px}
@media(min-width:900px){.scenario{grid-template-columns:280px 1fr}}
.side{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.goals{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:6px;text-align:left;width:100%}
.goals li{font-size:.88rem;background:var(--ceu2);border:1px solid var(--line);border-radius:12px;padding:7px 10px}

/* exercises */
.q{padding:16px 0;border-top:1px solid var(--line)}
.q:first-child{border-top:0}
.q .qt{font-weight:500;margin-bottom:10px}
.opts{display:grid;gap:8px}
.opt{display:flex;gap:10px;align-items:center;text-align:left;padding:11px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;width:100%}
.opt:hover{border-color:#9cc6ef}
.opt.sel{border-color:var(--azul);background:#f1f7fe}
.opt.right{border-color:#8fd0a8;background:var(--ok-bg)}
.opt.wrong{border-color:#efb3a6;background:var(--err-bg)}
.opt .l{width:26px;height:26px;border-radius:8px;background:var(--ceu);display:grid;place-items:center;font-size:.8rem;flex:none}
.fill{width:100%;max-width:420px;border:1px solid var(--line);border-radius:12px;padding:11px 14px;background:#fff}
.fill.right{border-color:#8fd0a8;background:var(--ok-bg)}.fill.wrong{border-color:#efb3a6;background:var(--err-bg)}
.fb{font-size:.88rem;margin-top:8px;padding:8px 12px;border-radius:12px}
.fb.ok{background:var(--ok-bg);color:var(--ok)}.fb.no{background:var(--err-bg);color:var(--err)}
textarea.write{width:100%;min-height:170px;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff;resize:vertical;line-height:1.5}
.wc{font-size:.82rem;color:var(--muted);margin-top:6px}
.result{text-align:center;padding:26px}
.score-ring{--p:0;width:140px;height:140px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;background:conic-gradient(var(--azul) calc(var(--p)*1%),#e6eef8 0)}
.score-ring div{width:112px;height:112px;border-radius:50%;background:#fff;display:grid;place-items:center;font-family:"Plus Jakarta Sans";font-size:2rem;font-weight:600;color:var(--azul-esc)}
.score-ring.pass{background:conic-gradient(#e2b93b calc(var(--p)*1%),#f3ecd2 0)}
.ai-fb{text-align:left;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;margin-top:12px}
.ai-fb h4{font-size:1rem;margin-bottom:6px}
.ai-fb ul{margin:4px 0 10px;padding-left:18px}
.corrected-text{background:var(--ceu2);border-radius:12px;padding:10px 12px;font-size:.93rem;white-space:pre-wrap}

/* pronunciation */
.pron{display:grid;gap:12px}
.pron-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px}
.pron-item .ph{font-size:1.12rem;font-weight:500}
.pron-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;align-items:center}
.heard{margin-top:8px;font-size:.92rem}
.heard .w-ok{color:var(--ok)}.heard .w-no{color:var(--err);text-decoration:underline wavy rgba(163,58,43,.5)}

/* landing bits */
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ic{width:46px;height:46px;border-radius:14px;background:var(--ceu);display:grid;place-items:center;flex:none;color:var(--azul)}
.feature .ic.y{background:var(--sol);color:#7a5c0c}
.feature .ic svg{width:22px;height:22px}
.phase-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;position:relative;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s}
.phase-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.phase-card .big{font-family:"Plus Jakarta Sans";font-size:2.4rem;font-weight:600;color:#d6e6f7;position:absolute;right:14px;top:6px}
.phase-card ul{padding-left:18px;margin:8px 0 0;font-size:.9rem;color:#3a4860}
.how{counter-reset:h;display:grid;gap:14px}
@media(min-width:760px){.how{grid-template-columns:repeat(4,1fr)}}
.how li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;position:relative}
.how li:before{counter-increment:h;content:counter(h);width:34px;height:34px;border-radius:50%;background:var(--sol);display:grid;place-items:center;font-weight:600;color:#6b5310;margin-bottom:10px}
.how{padding:0;margin:0}
details.faq{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 18px;margin-bottom:10px}
details.faq summary{cursor:pointer;padding:16px 0;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:after{content:"+";color:var(--azul);font-size:1.3rem;line-height:1}
details.faq[open] summary:after{content:"–"}
details.faq p{padding-bottom:14px;margin:0;color:#3a4860}
.plan{display:grid;gap:16px}
@media(min-width:760px){.plan{grid-template-columns:1fr 1fr}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.cora .bob,.cora .lid{animation:none}}

/* modal */
.modal{position:fixed;inset:0;background:rgba(23,36,59,.28);display:grid;place-items:center;z-index:80;padding:16px}
.modal .card{max-width:440px;width:100%}
.modal input{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:8px 0 14px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:12px 16px;z-index:90;font-size:.92rem;max-width:calc(100% - 32px)}

footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 0 30px;color:var(--muted);font-size:.86rem}
footer p{margin:0 0 8px}
footer .links{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px}
.notice{font-size:.85rem;color:var(--muted);background:var(--ceu2);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.sp{flex:1}
.mt{margin-top:16px}.mt2{margin-top:26px}

/* TOEFL */
.timer{font-variant-numeric:tabular-nums;font-weight:500;color:var(--azul-esc);background:var(--ceu);border-radius:10px;padding:3px 10px}
.timer.big{font-size:1.15rem}
.timer.low{background:var(--err-bg);color:var(--err)}
.mockbar{display:flex;align-items:center;gap:12px;position:sticky;top:74px;z-index:5;padding:12px 16px;margin-bottom:14px}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-weight:500;color:var(--muted);background:var(--ceu2)}
.ctw-text{line-height:2.2}
.ctw{white-space:nowrap}
.ctw-in{border:0;border-bottom:2px solid #9cc6ef;background:var(--sol2);border-radius:4px 4px 0 0;padding:0 2px;min-width:1.4em;font-size:1rem;letter-spacing:.04em}
.ctw-in.right{border-color:var(--ok);background:var(--ok-bg)}
.ctw-in.wrong{border-color:var(--err);background:var(--err-bg)}
.ctw sup.ans{color:var(--ok);font-size:.72rem;margin-left:2px}
pre.doc{white-space:pre-wrap;font-family:inherit;background:var(--sol2);border:1px solid var(--line2);border-radius:14px;padding:14px;margin:12px 0}
.passage{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px}
.passage p:last-child{margin:0}
.lblock .lq{margin-top:10px}
.bas-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:10px 0}
.slots{display:inline-flex;flex-wrap:wrap;gap:6px;min-height:40px;min-width:160px;padding:4px;border-bottom:2px dashed #9cc6ef}
.bank{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fff;border-radius:12px;padding:7px 12px;cursor:pointer;font-size:.95rem}
.slots .chip{background:var(--ceu);border-color:#b9d6f3}
.mailhead{background:var(--ceu2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:10px 0;font-size:.92rem}
.forum{display:grid;gap:10px;margin:12px 0}
.forum .post{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.forum .post.prof{background:var(--sol2);border-color:var(--line2)}
.forum .post p{margin:.3em 0 0}
.steps-list{padding-left:1.2em}.steps-list li{margin:.35em 0}
@media (max-width:640px){.mockbar{top:72px}.timer.big{font-size:1rem}}
.scenario{grid-template-columns:minmax(0,1fr)}.scenario>*,.grid>*{min-width:0}
@media(min-width:900px){.scenario{grid-template-columns:280px minmax(0,1fr)}}
.kicker svg{width:16px;height:16px;flex:none}.pill svg{width:13px;height:13px;flex:none}.tools svg,.chip svg{width:15px;height:15px}
.card h3 svg,.phase svg:not(.cora svg){max-width:22px;max-height:22px}
.tbl td:nth-child(3){white-space:nowrap}

.timer:empty{display:none}.ceu .row{gap:20px;flex-wrap:wrap}

/* Cora: estados e barra compacta */
.cora .mouth{transform:scaleY(var(--m,1));transition:transform .09s ease}
.cora.speaking.sync .mouth{animation:none}
.cora .smile,.cora .badge,.cora .heart{opacity:0;transition:opacity .2s;transform-box:fill-box;transform-origin:center}
.cora .eyes,.cora .brows{transform-box:fill-box;transform-origin:center;transition:transform .25s var(--ease)}
.cora.thinking .eyes{transform:translate(4px,-3px)}
.cora.thinking .bob{animation:bob 2.4s ease-in-out infinite}
.cora.listening .bob{animation:lean 1.6s ease-in-out infinite}
.cora.listening .brows{transform:translateY(-2px)}
.cora.happy:not(.speaking) .mouth{opacity:0}
.cora.happy:not(.speaking) .smile{opacity:1}
.cora.happy .heart{opacity:1;animation:floatup 1.6s ease-out infinite}
.cora.happy .bob{animation:hop .6s ease-in-out 2}
.cora.happy .lid{animation:none;transform:scaleY(.35)}
.cora.correcting .badge{opacity:1;animation:badge 1s ease-in-out infinite}
.cora.correcting .bob{animation:tilt 1.4s ease-in-out infinite}
.cora.correcting .brows{transform:translateY(-3px)}
@keyframes lean{50%{transform:translateY(-2px) rotate(-3deg)}}
@keyframes hop{50%{transform:translateY(-9px)}}
@keyframes tilt{0%,100%{transform:rotate(0)}50%{transform:rotate(5deg)}}
@keyframes badge{50%{transform:scale(1.12)}}
@keyframes floatup{from{transform:translateY(4px);opacity:.9}to{transform:translateY(-12px);opacity:0}}
.cora-state{display:block;font-size:.8rem;color:var(--muted);min-height:1.2em}
.cora-state[data-state="listening"]{color:#8a6a10}
.cora-state[data-state="thinking"],.cora-state[data-state="speaking"]{color:var(--azul)}
.cora-state[data-state="correcting"]{color:#8a6a10}
.cora-state[data-state="happy"]{color:var(--ok)}
.cora.sm{width:58px}
.cora-bar{display:none;align-items:center;gap:10px;padding:8px 10px;margin:-4px -4px 8px;border-radius:16px;background:rgba(244,249,255,.94);border:1px solid var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.cora-bar-txt{display:flex;flex-direction:column;line-height:1.2}
.cora-bar-txt b{font-weight:600;font-size:.95rem}
@media (max-width:899px){
  .cora-bar{display:flex;position:sticky;top:72px;z-index:6;box-shadow:var(--shadow2)}
  .scenario .side .side-av{display:none}
  .chat{max-height:none;min-height:200px;overflow:visible}
}
.cora-bar .pill{white-space:nowrap}