:root{
  --cream:#FBF7F0; --paper:#FFFFFF; --ink:#241C1A; --muted:#726A63; --line:#ECE6DB;
  --gray:#F4F0E8; --red:#C8102E; --red-soft:#F7E3E5; --maroon:#7A1E24; --gold:#C4A24A;
  --t1:#C8102E; --t2:#E08A1E; --t3:#2E9E5B; --t4:#2F5FD0; --t0:#8A8177;
  --ok:#2E9E5B; --ok-bg:#E7F3EA; --no:#C8102E; --no-bg:#FBE9E6;
  --shadow:0 10px 34px rgba(60,30,20,.08); --shadow-sm:0 4px 14px rgba(60,30,20,.07);
  --r:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{background:var(--cream);color:var(--ink);font-family:'Manrope',system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55}
h1,h2,h3,.dsp{font-family:'Sora',sans-serif;letter-spacing:-.01em}
.zh{font-family:'Noto Sans SC',sans-serif}
.zh-serif{font-family:'Noto Serif SC',serif}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--maroon);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:40;background:rgba(251,247,240,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.logo .mark{width:40px;height:40px;border-radius:11px;background:var(--red);color:#fff;display:grid;place-items:center;
  font-family:'Noto Serif SC',serif;font-weight:700;font-size:23px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.18)}
.logo .txt b{font-family:'Sora';font-weight:800;font-size:15px;display:block;line-height:1.1}
.logo .txt span{font-size:11px;color:var(--muted);font-weight:600}
.menu{display:flex;gap:4px;margin-left:8px}
.menu a{padding:8px 11px;border-radius:9px;font-weight:600;font-size:14px;color:var(--ink);text-decoration:none;transition:background .15s}
.menu a:hover{background:var(--gray)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper)}
.lang button{border:none;background:transparent;padding:6px 11px;font-weight:700;font-size:13px;cursor:pointer;color:var(--muted)}
.lang button.on{background:var(--maroon);color:#fff}
.btn{border:none;cursor:pointer;border-radius:11px;font-weight:700;font-size:14px;padding:10px 16px;transition:transform .08s,filter .15s,background .15s}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--red);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{background:var(--paper);color:var(--maroon);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--gray)}
.btn-dark{background:var(--maroon);color:#fff}
.hamb{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;width:42px;height:40px;cursor:pointer}
.hamb svg{width:20px;height:20px}
@media(max-width:920px){.menu{display:none} .hamb{display:grid;place-items:center} .logo .txt span{display:none}}
.menu.open{display:flex;position:absolute;top:66px;left:0;right:0;background:var(--paper);flex-direction:column;padding:10px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}

/* ---------- hero ---------- */
.hero{padding:54px 0 34px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
@media(max-width:840px){.hero-grid{grid-template-columns:1fr;gap:24px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--red-soft);color:var(--maroon);font-weight:700;
  font-size:12.5px;padding:6px 12px;border-radius:999px;letter-spacing:.02em}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--red)}
.hero h1{font-size:clamp(30px,5.2vw,50px);font-weight:800;margin:16px 0 12px;line-height:1.06}
.hero h1 .u{color:var(--red);position:relative}
.hero p.lead{font-size:clamp(16px,2.2vw,19px);color:var(--muted);max-width:46ch;margin:0 0 24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-cta .btn{padding:13px 20px;font-size:15px}
.trust{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}
.trust .it{font-size:13px;color:var(--muted);font-weight:600}
.trust .it b{display:block;font-family:'Sora';font-size:21px;color:var(--ink);font-weight:800}

/* hero illustration */
.illus{background:linear-gradient(160deg,#fff,#fbeef0);border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.illus .bubble{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow-sm);margin-bottom:14px;max-width:78%}
.illus .bubble.right{margin-left:auto}
.illus .bubble .zh-serif{font-size:30px;line-height:1.1}
.illus .bubble .py{color:var(--red);font-weight:800;font-size:15px;margin-top:2px}
.illus .bubble .es{color:var(--muted);font-size:13px}
.illus .tone-strip{display:flex;gap:8px;margin-top:6px}
.illus .tone-strip .tc{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center}
.illus .tone-strip .tc svg{width:100%;height:26px}
.illus .tone-strip .tc small{font-size:11px;color:var(--muted);font-weight:700}

/* ---------- section frame ---------- */
section{padding:26px 0}
.sec-head{text-align:center;max-width:60ch;margin:0 auto 22px}
.sec-head .kicker{color:var(--red);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.sec-head h2{font-size:clamp(24px,3.6vw,34px);margin:6px 0 8px;font-weight:800}
.sec-head p{color:var(--muted);margin:0}

/* ---------- tool card ---------- */
.tool{background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fdfbf7)}
.modes{display:inline-flex;background:var(--gray);border-radius:12px;padding:4px}
.modes button{border:none;background:transparent;cursor:pointer;font-weight:700;font-size:14px;color:var(--muted);padding:8px 15px;border-radius:9px;transition:all .15s}
.modes button.on{background:var(--paper);color:var(--maroon);box-shadow:var(--shadow-sm)}
.search{position:relative;flex:1;min-width:200px}
.search input{width:100%;border:1px solid var(--line);border-radius:11px;padding:10px 12px 10px 38px;font-size:14px;font-family:inherit;background:var(--paper);color:var(--ink)}
.search input:focus{outline:none;border-color:var(--red)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted)}
.search .sugg{position:absolute;z-index:20;top:46px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:none}
.search .sugg.show{display:block}
.search .sugg button{display:block;width:100%;text-align:left;border:none;background:transparent;padding:8px 10px;border-radius:8px;cursor:pointer;font-weight:700;font-size:14px}
.search .sugg button:hover{background:var(--gray)}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:12px 18px;border-bottom:1px solid var(--line)}
.chip{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:7px 13px;font-weight:700;font-size:13px;color:var(--muted);cursor:pointer;transition:all .15s}
.chip.on{background:var(--maroon);color:#fff;border-color:transparent}
.toggles{display:flex;flex-wrap:wrap;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--cream)}
.tg{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:13px;color:var(--muted);cursor:pointer;user-select:none}
.tg input{appearance:none;width:34px;height:20px;border-radius:999px;background:var(--line);position:relative;cursor:pointer;transition:background .2s;flex:none}
.tg input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.tg input:checked{background:var(--red)} .tg input:checked::after{transform:translateX(14px)}

/* ---------- table ---------- */
.tbl-scroll{overflow:auto;max-height:min(64vh,640px)}
table.pin{border-collapse:separate;border-spacing:0;width:max-content;min-width:100%}
table.pin th,table.pin td{text-align:center}
.pin thead th{position:sticky;top:0;z-index:6;background:var(--maroon);color:#fff;font-family:'Sora';font-weight:700;font-size:13px;padding:9px 5px;min-width:46px}
.pin thead th.corner{left:0;z-index:8;background:#5b141a}
.pin .init{position:sticky;left:0;z-index:5;background:var(--gray);font-family:'Sora';font-weight:800;color:var(--maroon);min-width:44px;border-right:1px solid var(--line);font-size:15px}
.pin td.cell{padding:3px}
.syl{width:100%;min-width:44px;height:38px;border:1px solid var(--line);background:var(--paper);border-radius:9px;cursor:pointer;
  font-family:'Sora';font-weight:600;font-size:15px;color:var(--ink);display:flex;align-items:center;justify-content:center;gap:4px;
  transition:transform .1s,box-shadow .15s,border-color .15s,background .15s;position:relative}
.syl:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:var(--red)}
.syl.playing{background:var(--red);color:#fff;border-color:transparent}
.syl.sel{border-color:var(--red);box-shadow:0 0 0 2px var(--red-soft)}
.syl .spk{width:12px;height:12px;opacity:0;transition:opacity .15s}
.syl:hover .spk,.syl.playing .spk{opacity:.9}
.syl .fav{position:absolute;top:-4px;right:-3px;font-size:11px;color:var(--gold);display:none}
.syl.faved .fav{display:block}
.pin td.empty .syl{visibility:hidden}
.pin tr:hover .init{background:var(--red-soft)}
.hidden-row{display:none}

/* ---------- detail panel ---------- */
.detail{padding:0}
.detail.empty-state{padding:26px 18px;text-align:center;color:var(--muted);font-weight:600}
.detail-grid{display:grid;grid-template-columns:250px 1fr;gap:0}
@media(max-width:720px){.detail-grid{grid-template-columns:1fr}}
.d-left{padding:22px;border-right:1px solid var(--line);text-align:center;background:linear-gradient(180deg,#fff,#fdf7f2)}
@media(max-width:720px){.d-left{border-right:none;border-bottom:1px solid var(--line)}}
.d-syl{font-family:'Sora';font-weight:800;font-size:44px;color:var(--maroon);line-height:1}
.d-init-final{color:var(--muted);font-weight:700;font-size:13px;margin-top:4px}
.d-fav{margin-top:14px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 15px;font-weight:700;font-size:13px;cursor:pointer;color:var(--maroon);display:inline-flex;gap:7px;align-items:center}
.d-fav.on{background:var(--gold);color:#fff;border-color:transparent}
.d-right{padding:18px 20px}
.tone-rows{display:flex;flex-direction:column;gap:8px}
.trow{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:13px;padding:9px 12px;background:#fff}
.trow .badge{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;color:#fff;font-family:'Sora';font-weight:800;position:relative}
.trow .badge svg{position:absolute;width:30px;height:20px;bottom:4px;opacity:.55}
.b1{background:var(--t1)}.b2{background:var(--t2)}.b3{background:var(--t3)}.b4{background:var(--t4)}.b0{background:var(--t0)}
.trow .info .py{font-family:'Sora';font-weight:800;font-size:22px}
.trow .info .meta{font-size:12.5px;color:var(--muted);font-weight:600}
.trow .info .meta .zh-serif{font-size:17px;color:var(--ink);margin-right:6px}
.trow .info .tname{font-size:11px;color:var(--muted);font-weight:700}
.playbtn{border:none;background:var(--gray);color:var(--maroon);width:42px;height:42px;border-radius:11px;cursor:pointer;display:grid;place-items:center;transition:background .15s,transform .08s}
.playbtn:hover{background:var(--red-soft)} .playbtn:active{transform:scale(.9)} .playbtn svg{width:18px;height:18px}
.playbtn.playing{background:var(--red);color:#fff}
.tip{margin-top:14px;background:var(--red-soft);border:1px solid #f0cfd3;border-radius:13px;padding:12px 14px}
.tip .h{font-weight:800;font-size:13px;color:var(--maroon);display:flex;align-items:center;gap:7px;margin-bottom:3px}
.tip p{margin:2px 0;font-size:13.5px;color:#5a3238}
.tip p b{color:var(--maroon)}

/* ---------- practice / quiz ---------- */
.pmode{padding:26px 20px;text-align:center;display:none}
.pmode.on{display:block}
.big-syl{font-family:'Sora';font-weight:800;font-size:60px;color:var(--maroon);margin:8px 0}
.pmode .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.opt{border:2px solid var(--line);background:#fff;border-radius:14px;padding:14px 18px;font-family:'Sora';font-weight:800;font-size:22px;cursor:pointer;transition:all .12s;min-width:96px}
.opt:hover{border-color:var(--red);transform:translateY(-1px)}
.opt.correct{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}
.opt.wrong{border-color:var(--no);background:var(--no-bg);color:var(--no)}
.opt small{display:block;font-family:'Manrope';font-weight:600;font-size:11px;color:var(--muted)}
.qfeed{min-height:26px;margin-top:14px;font-weight:800;font-family:'Sora'}
.qfeed.ok{color:var(--ok)} .qfeed.no{color:var(--no)}
.qscore{display:inline-flex;gap:16px;margin-top:10px;background:var(--gray);border-radius:12px;padding:8px 16px;font-weight:800;font-family:'Sora';font-size:15px}
.big-play{border:none;background:var(--red);color:#fff;border-radius:16px;padding:16px 26px;font-weight:800;font-size:17px;cursor:pointer;display:inline-flex;gap:10px;align-items:center;box-shadow:var(--shadow-sm)}
.big-play:active{transform:scale(.96)} .big-play svg{width:22px;height:22px}
.muted-note{color:var(--muted);font-size:13px;font-weight:600;margin-top:8px}

/* ---------- tone trainer + shapes ---------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.cols{grid-template-columns:1fr}}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);padding:20px}
.panel h3{margin:0 0 4px;font-size:19px;font-weight:800}
.panel .sub{color:var(--muted);font-size:13.5px;margin-bottom:14px}
.shapes{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.shape{border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;background:#fff}
.shape svg{width:100%;height:56px}
.shape .zh{font-weight:700;font-size:15px;margin-top:4px}
.shape .en{font-size:12px;color:var(--muted);font-weight:700}
.shape .num{font-family:'Sora';font-weight:800;font-size:12px;margin-top:2px}
.s1c{color:var(--t1)}.s2c{color:var(--t2)}.s3c{color:var(--t3)}.s4c{color:var(--t4)}
.pair{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:13px;padding:10px 12px;margin-bottom:10px;background:#fff}
.pair .lbl{font-weight:800;font-family:'Sora'}
.pair .opts{margin-left:auto;display:flex;gap:8px}
.pair .opts button{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:8px 12px;font-weight:800;font-family:'Sora';cursor:pointer}
.pair .opts button.correct{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}
.pair .opts button.wrong{background:var(--no-bg);border-color:var(--no);color:var(--no)}
.pair .play{border:none;background:var(--gray);color:var(--maroon);width:38px;height:38px;border-radius:10px;cursor:pointer;display:grid;place-items:center}
.pair .play svg{width:16px;height:16px}

/* ---------- favorites + progress ---------- */
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.mini-grid{grid-template-columns:1fr}}
.fav-list{display:flex;flex-wrap:wrap;gap:8px}
.fav-list .f{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;font-family:'Sora';font-weight:800;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.fav-list .f .x{color:var(--muted);font-weight:600}
.fav-empty{color:var(--muted);font-weight:600;font-size:14px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff;text-align:center}
.stat .v{font-family:'Sora';font-weight:800;font-size:26px;color:var(--maroon)}
.stat .k{font-size:11.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.bar{height:9px;border-radius:999px;background:var(--gray);overflow:hidden;margin-top:8px}
.bar .fill{height:100%;background:linear-gradient(90deg,var(--red),var(--gold));width:0%}

/* ---------- academy ---------- */
.academy{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:30px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.cards{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:18px;padding:20px;background:linear-gradient(180deg,#fff,#fdfaf5);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--red-soft);color:var(--maroon);display:grid;place-items:center;font-size:22px;margin-bottom:12px}
.card h3{margin:0 0 6px;font-size:17px;font-weight:800}
.card p{margin:0;color:var(--muted);font-size:14px}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(135deg,var(--maroon),#a4272e);color:#fff;border-radius:26px;padding:40px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta::after{content:"练";position:absolute;right:-10px;bottom:-30px;font-family:'Noto Serif SC';font-size:200px;opacity:.06;font-weight:700}
.cta h2{font-size:clamp(24px,3.6vw,32px);margin:0 0 8px;font-weight:800}
.cta p{opacity:.9;max-width:52ch;margin:0 auto 20px}
.cta .btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta .btn-primary{background:#fff;color:var(--maroon)}
.cta .btn-wa{background:#25D366;color:#fff}
.placeholder{outline:1px dashed rgba(255,255,255,.5);border-radius:6px;padding:0 4px}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#e9e2da;margin-top:34px;padding:44px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:26px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
footer h4{font-family:'Sora';font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:#b9aea3;margin:0 0 12px}
footer a{color:#e9e2da;text-decoration:none;display:block;padding:4px 0;font-size:14px;opacity:.9}
footer a:hover{opacity:1;color:#fff}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.foot-logo .mark{width:38px;height:38px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center;font-family:'Noto Serif SC';font-weight:700;font-size:21px}
.foot-note{font-size:13px;opacity:.7;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:12px}
.socials a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;padding:0}
.socials svg{width:17px;height:17px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;opacity:.75}
.foot-bottom .legal{display:flex;gap:16px;flex-wrap:wrap}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  padding:14px 16px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;max-width:760px;margin:0 auto}
.cookie p{margin:0;font-size:13px;color:var(--muted);flex:1;min-width:220px}
.cookie .btn{padding:8px 14px;font-size:13px}
.cookie.hide{display:none}

.demo-flag{background:#FFF6E5;border:1px solid #F0D89A;color:#7a5b12;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:10px;margin:0 18px 12px;display:inline-block}


/* ===================== modal de reserva (backend) ===================== */
.modal-ov{position:fixed;inset:0;z-index:80;background:rgba(36,28,26,.55);
  display:flex;align-items:flex-end;justify-content:center;padding:0}
@media(min-width:640px){.modal-ov{align-items:center;padding:24px}}
.modal-ov[hidden]{display:none}
.modal{background:var(--paper);width:100%;max-width:560px;max-height:92vh;overflow:auto;
  border-radius:22px 22px 0 0;box-shadow:var(--shadow);padding:26px 24px 22px;position:relative}
@media(min-width:640px){.modal{border-radius:22px}}
.modal h3{font-size:23px;margin:0 0 4px}
.modal .modal-sub{color:var(--muted);font-size:14px;margin:0 0 18px}
.modal-x{position:absolute;top:14px;right:14px;border:none;background:var(--gray);width:34px;height:34px;
  border-radius:10px;cursor:pointer;font-size:15px;color:var(--muted)}
.modal-x:hover{background:var(--red-soft);color:var(--maroon)}
.fld{margin-bottom:13px}
.fld.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.fld.two{grid-template-columns:1fr}}
.fld label{display:block;font-weight:700;font-size:12.5px;color:var(--ink);margin-bottom:5px}
.fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line);border-radius:11px;
  padding:11px 12px;font-family:inherit;font-size:14.5px;background:var(--paper);color:var(--ink)}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--red);
  box-shadow:0 0 0 3px var(--red-soft)}
.fld input.invalid,.fld select.invalid{border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin:6px 0 4px}
.consent input{margin-top:2px}
.consent a{color:var(--maroon);font-weight:700}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.form-msg{margin-top:12px;font-size:13.5px;font-weight:600;min-height:18px}
.form-msg.ok{color:var(--ok)}
.form-msg.no{color:var(--no)}
.modal .done{text-align:center;padding:18px 6px}
.modal .done .big{font-size:46px;line-height:1}
.modal .done h3{margin-top:10px}

/* ===================== sección HSK + tarjetas clicables ===================== */
.hsk-levels{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.hsk-levels{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.hsk-levels{grid-template-columns:1fr}}
.hsk{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.hsk b{font-family:'Sora',sans-serif;color:var(--maroon);font-size:18px;display:block;margin-bottom:4px}
.hsk span{font-size:13.5px;color:var(--muted)}
.hsk-note{margin-top:16px;font-size:13.5px;color:var(--muted);text-align:center}
.card.clickable{cursor:pointer}
.card.clickable:focus-visible{outline:3px solid var(--maroon);outline-offset:2px}
#bookCopyTxt{width:100%;border:1px solid var(--line);border-radius:11px;padding:10px 12px;font-family:inherit;font-size:13.5px;resize:vertical;color:var(--ink);background:var(--paper)}

/* filtros: atenuar sílabas que no cumplen (en vez de dejar huecos) */
.syl.dim{opacity:.16;filter:grayscale(1);pointer-events:none;box-shadow:none}
.syl.dim:hover{transform:none}

/* ===================== Entrena tu oído (dictado) ===================== */
.ear{display:flex;flex-direction:column;gap:12px}
.ear-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.ear-score-wrap{font-size:14px;color:var(--muted);font-weight:600}
.ear-score-wrap b{color:var(--ink)}
#earInput{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-family:inherit;
  font-size:18px;font-weight:600;background:var(--paper);color:var(--ink);letter-spacing:.01em}
#earInput:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
#earInput:disabled{opacity:.7}
.ear-actions{display:flex;gap:10px;flex-wrap:wrap}
.ear-feed{min-height:22px;font-size:15px;font-weight:600}
.ear-feed.ok{color:var(--ok)}
.ear-feed.no{color:var(--no)}
.ear-feed b{font-size:18px}
.ear-you{font-weight:500;color:var(--muted);font-size:13px;margin-top:2px}

/* ===================== Análisis tonal (micrófono) ===================== */
.evalbtn{border:none;background:var(--gray);width:38px;height:38px;border-radius:11px;cursor:pointer;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-left:6px}
.evalbtn:hover{background:var(--red-soft)}
.ta-ov{position:fixed;inset:0;z-index:90;background:rgba(36,28,26,.55);display:flex;align-items:flex-end;justify-content:center;padding:0}
@media(min-width:640px){.ta-ov{align-items:center;padding:24px}}
.ta-ov[hidden]{display:none}
.ta-modal{background:var(--paper);width:100%;max-width:600px;max-height:94vh;overflow:auto;border-radius:22px 22px 0 0;
  box-shadow:var(--shadow);padding:24px 22px;position:relative}
@media(min-width:640px){.ta-modal{border-radius:22px}}
.ta-x{position:absolute;top:14px;right:14px;border:none;background:var(--gray);width:34px;height:34px;border-radius:10px;cursor:pointer;color:var(--muted)}
.ta-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.ta-syl{font-family:'Sora',sans-serif;font-weight:800;font-size:40px;color:var(--red);line-height:1}
.ta-tone{color:var(--muted);font-weight:600}
.ta-controls{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.ta-status{font-size:13.5px;font-weight:600;color:var(--muted);min-height:18px;margin-bottom:6px}
.ta-status.rec{color:var(--red)} .ta-status.no{color:var(--no)}
.ta-scorebig{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font-weight:700;font-size:15px;color:var(--ink);
  background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-bottom:12px}
.ta-scorebig b{font-family:'Sora',sans-serif;font-size:34px;color:var(--maroon)}
.ta-note{font-size:11.5px;font-weight:600;color:var(--muted)}
.ta-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.ta-metric{border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.ta-metric b{font-family:'Sora',sans-serif;font-size:18px;color:var(--ink)}
.ta-seg{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.ta-segrow{display:flex;align-items:center;gap:10px;font-size:13px}
.ta-segrow>span{width:56px;color:var(--muted);font-weight:600}
.ta-segrow>b{width:44px;text-align:right;font-family:'Sora',sans-serif}
.ta-bar{flex:1;height:10px;background:var(--gray);border-radius:99px;overflow:hidden}
.ta-bar i{display:block;height:100%;border-radius:99px}
.ta-bar.g i{background:var(--ok)} .ta-bar.m i{background:#D98324} .ta-bar.b i{background:var(--no)}
.ta-chart-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px;font-size:14px}
.ta-legend{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.ta-legend i{width:14px;height:3px;border-radius:2px;display:inline-block}
.ta-legend i.ref{background:#7A1420} .ta-legend i.stu{background:#16346E}
.ta-toggle{margin-left:auto;border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:6px 12px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink)}
#taCanvas{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper);display:block}
.ta-feed{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.ta-feed .fb{font-size:13.5px;font-weight:600}
.ta-feed .fb.ok{color:var(--ok)} .ta-feed .fb.no{color:var(--maroon)}
.ta-doc{margin-top:12px;font-size:13px;color:var(--muted)}
.ta-doc summary{cursor:pointer;font-weight:700;color:var(--ink)}
.ta-doc code{background:var(--gray);padding:1px 5px;border-radius:5px}
.ta-doc ol{margin:8px 0 8px 18px;display:flex;flex-direction:column;gap:4px}

/* pista bajo el gráfico de comparación */
.ta-hint{margin-top:10px;font-size:13px;color:var(--muted)}

/* ===================== medidor de nivel de voz (micrófono) ===================== */
.ta-meter{display:flex;align-items:center;gap:10px;margin:2px 0 14px;color:var(--muted)}
.ta-meter .mic-ic{width:20px;height:20px;color:#9a8f84;flex-shrink:0;transition:color .12s,transform .12s}
.ta-meter.live .mic-ic{color:var(--red);transform:scale(1.08)}
.meter-track{flex:1;max-width:280px;height:11px;background:var(--gray);border-radius:99px;overflow:hidden}
.meter-track i{display:block;height:100%;width:0;border-radius:99px;background:#2F9E6A;transition:width .06s linear,background .12s}
.meter-track i.mid{background:#D98324}
.meter-track i.hi{background:var(--red)}
.meter-lbl{font-size:12px;white-space:nowrap}