/* ══════════ TOKENS — NO TOCAR ══════════ */
  :root{
    --bg:#FFFFFF;--bg2:#F7F8FA;--bg3:#F1F4F7;--line:#E2E6EC;--text:#333333;--muted:#6A7080;
    --accent:#1C1C1C;--accent-soft:#1C1C1C12;--gold:#5A6070;--ok:#1A7F4B;--ok-soft:#1A7F4B14;--err:#B3261E;
    /* === Las 4 familias de sonido — CHIPS (bg pastel · borde color · texto oscuro) · solo fonética === */
    --nasal:#5CE1E6;--nasal-bg:#E4FAFB;--nasal-tx:#0A6E73;   /* nasales on / an / en / un */
    --round:#5271FF;--round-bg:#E7ECFF;--round-tx:#2A3B9E;   /* redondeadas u [y] · eu [ø/œ] */
    --cons:#FF57A8;--cons-bg:#FFE7F1;--cons-tx:#A31861;      /* consonantes nuevas j · z · v · ch */
    --rrr:#FFDE59;--rrr-bg:#FFF6D1;--rrr-tx:#8A6D00;         /* R · e muda · liaison · finales mudas */
    --radius:18px;--shadow:0 12px 30px -18px rgba(20,20,40,.16);--fr:"Noto Sans",sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;background:#FFFFFF!important}
  body{background:#FFFFFF!important;color:var(--text);font-family:"Noto Sans",system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;padding-bottom:90px}
  .wrap{max-width:880px;margin:0 auto;padding:0 18px;position:relative;z-index:1}
  .snd-n,.snd-u,.snd-c,.snd-r{display:inline-block;padding:0 .28em;border-radius:.34em;border:1.5px solid;font-weight:700;line-height:1.25}
  .snd-n{background:var(--nasal-bg);border-color:var(--nasal);color:var(--nasal-tx)}
  .snd-u{background:var(--round-bg);border-color:var(--round);color:var(--round-tx)}
  .snd-c{background:var(--cons-bg);border-color:var(--cons);color:var(--cons-tx)}
  .snd-r{background:var(--rrr-bg);border-color:var(--rrr);color:var(--rrr-tx)}

  /* ══════════ NAV ══════════ */
  .cn-nav-wrap{position:sticky;top:0;z-index:200;background:rgba(255,255,255,0.9);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,0.08);will-change:transform}
  .cn-nav{padding:14px 28px;display:flex;align-items:center;justify-content:space-between}
  .cn-logo{font-size:18px!important;font-weight:700!important;letter-spacing:4px!important;color:#1C1C1C!important;text-decoration:none;font-family:"Outfit",sans-serif}
  .cn-right{display:flex;align-items:center;gap:10px}
  .cn-fb-btn{font-size:12px;font-weight:600;color:#6A7080;text-decoration:none;border:1px solid #CFD6E0;padding:6px 14px;border-radius:6px;font-family:"Outfit",sans-serif;transition:background .2s,color .2s,border-color .2s;background:transparent}
  .cn-fb-btn:hover{background:#1C1C1C;color:#FFFFFF;border-color:#1C1C1C}
  @media(max-width:768px){.cn-nav-wrap{display:block}}

  /* ══════════ HERO ══════════ */
  .hero{padding:34px 0 8px;text-align:center}
  .hero .eyebrow{font-family:"Outfit";letter-spacing:.2em;font-size:.74rem;color:var(--accent);text-transform:uppercase;font-weight:600}
  .hero h1{font-family:var(--fr);font-weight:600;font-size:clamp(2rem,5.4vw,3rem);line-height:1.12;margin:8px 0 4px;font-style:italic}
  .hero .h1sub{font-family:"Outfit";font-weight:700;letter-spacing:.04em;color:var(--muted);font-size:.92rem;text-transform:uppercase;margin-bottom:8px}
  .hero p{color:var(--muted);max-width:600px;margin:0 auto;font-size:1.02rem}

  /* ══════════ SECTION CARDS ══════════ */
  section.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;margin:22px 0;box-shadow:var(--shadow);opacity:0;transform:translateY(14px);animation:rise .6s forwards}
  @keyframes rise{to{opacity:1;transform:none}}
  .sec-head{display:flex;align-items:center;gap:13px;margin-bottom:6px}
  .sec-ico{flex:none;width:62px;height:62px;border-radius:17px;display:grid;place-items:center;font-size:1.7rem;background:var(--bg3);border:2px solid var(--line);font-family:var(--fr);font-style:italic}
  .sec-head h2{font-family:"Outfit";font-weight:700;font-size:1.22rem;line-height:1.2}
  .sec-head .sub{color:var(--muted);font-size:.82rem;font-family:"Outfit"}
  .sec-no{margin-left:auto;font-family:"Outfit";font-weight:800;color:#1C1C1C;font-size:1.5rem}
  .sec-body{margin-top:14px}.sec-body p{margin:10px 0;color:#414A5C}.sec-body strong{color:#1C1C1C}
  .fr-inline{font-family:var(--fr);font-style:italic;color:var(--text)}
  .hl{color:var(--accent);font-weight:700}.hl-gold{color:var(--gold);font-weight:700}

  /* ══════════ §01 — hook · keybox · trap · triangle · sndlegend ══════════ */
  .hook{display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:center;background:var(--bg3);border:1px dashed #C7D0DA;border-radius:14px;padding:16px;margin:16px 0}
  .hook .pair{text-align:center}.hook .glyph{font-size:1.8rem;line-height:1.1;font-family:var(--fr);font-style:italic}
  .hook .glyph.esp{color:var(--gold)}.hook .glyph.fr{color:var(--accent)}
  .hook .eq{font-size:1.6rem;color:var(--muted)}.hook .cap{font-size:.72rem;color:var(--muted);font-family:"Outfit";margin-top:4px;font-style:normal}
  .sndlegend{display:flex;flex-wrap:wrap;gap:10px 18px;background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:14px 0;font-family:"Outfit";font-size:.82rem}
  .sndlegend span{display:inline-flex;align-items:center;gap:7px;color:#414A5C}.sndlegend .sw{width:11px;height:11px;border-radius:4px;flex:none}
  .keybox{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
  .keybox .k{background:var(--bg3);border:1px solid var(--line);border-radius:13px;padding:13px 15px;font-size:.92rem}
  .keybox .k b{font-family:"Outfit";display:block;margin-bottom:3px}
  @media(max-width:560px){.keybox{grid-template-columns:1fr}}
  .trap{background:#FBEBEA;border:1px solid #F0C9C5;border-left:3px solid var(--err);border-radius:12px;padding:13px 15px;margin-top:14px;font-size:.93rem}
  .triangle{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:8px}
  @media(max-width:560px){.triangle{grid-template-columns:1fr}}
  .tri{background:var(--bg3);border:1px solid var(--line);border-radius:13px;padding:13px 14px}
  .tri .lab{font-family:"Outfit";font-weight:700;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}
  .tri.aff .lab{color:var(--ok)}.tri.neg .lab{color:var(--err)}.tri.que .lab{color:var(--accent)}
  .tri .ph{font-family:var(--fr);font-style:italic;font-size:1.14rem;line-height:1.3}
  .tri .rp{font-family:"Outfit";font-size:.74rem;color:var(--muted);margin-top:4px}

  /* ══════════ VISUAL L11 — "uno vs el todo" ══════════ */
  .whole{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch;background:var(--bg3);border:1px solid var(--line);border-radius:16px;padding:18px 16px;margin:16px 0}
  @media(max-width:560px){.whole{grid-template-columns:1fr;gap:10px}.whole .vs{transform:rotate(90deg)}}
  .whole .pan{background:var(--bg2);border:1px solid var(--line);border-radius:13px;padding:14px 12px;text-align:center}
  .whole .pan.one{border-color:#C9D0DB}
  .whole .pan.all{border-color:#E4D9A8;background:#FBF6E9}
  .whole .art{font-family:"Outfit";font-weight:800;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase}
  .whole .pan.one .art{color:var(--accent)}
  .whole .pan.all .art{color:var(--gold)}
  .whole .ico{font-size:1.55rem;margin:8px 0 4px;line-height:1.2;letter-spacing:2px}
  .whole .cap{font-size:.72rem;color:var(--muted);font-family:"Outfit";min-height:30px;line-height:1.3}
  .whole .fr{font-family:var(--fr);font-style:italic;font-size:1.08rem;margin-top:8px;line-height:1.35;color:var(--text)}
  .whole .fr b{color:var(--accent)}
  .whole .pan.all .fr b{color:var(--gold)}
  .whole .es{display:block;font-size:.66rem;color:var(--muted);font-family:"Outfit";font-style:normal;margin-top:2px}
  .whole .vs{align-self:center;font-family:"Outfit";font-weight:800;color:var(--muted);font-size:.9rem}
  .whole-verbs{text-align:center;font-family:"Outfit";font-size:.84rem;color:#414A5C;margin:6px 0 0}
  .whole-verbs b{color:var(--gold)}

  /* ══════════ §★ GRID DE FORMAS ══════════ */
  .cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
  @media(max-width:680px){.cgrid{grid-template-columns:repeat(2,1fr)}}
  .ccard{background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:15px 10px 13px;text-align:center;cursor:pointer;position:relative;transition:transform .12s,border-color .15s,background .15s}
  .ccard:hover{transform:translateY(-3px);border-color:var(--accent);background:#F0F2F5}.ccard:active{transform:scale(.97)}
  .ccard .ch{font-family:var(--fr);font-style:italic;font-size:1.4rem;line-height:1.15;margin-bottom:4px}
  .ccard .ro{font-family:"Outfit";font-weight:700;font-size:.85rem}
  .ccard .mn{font-size:.68rem;color:var(--muted);margin-top:6px;min-height:30px;line-height:1.3}
  .ccard .spk{position:absolute;top:7px;left:9px;font-size:.78rem;opacity:.5}
  .ccard .tag{position:absolute;top:7px;right:9px;font-size:.58rem;color:var(--muted);font-family:"Outfit";text-transform:uppercase;letter-spacing:.04em}
  .ccard.vous{border-color:#E4D9A8;background:#FBF6E9}      /* dorada = la del cliente */
  .ccard.boot{border-color:#E4D9A8;background:#FBF6E9}      /* dorada = dentro de la bota */
  .ccard.boot .ch{color:var(--gold)}
  .ccard.silent{border-color:#A7E3C4}                        /* verde = suena igual */
  .ccard.playing{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
  /* banco de verbos (opcional) */
  .vbank{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:12px}
  @media(max-width:680px){.vbank{grid-template-columns:repeat(2,1fr)}}
  .vb{background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:11px 6px;text-align:center;cursor:pointer;transition:.12s}
  .vb:hover{border-color:var(--accent);transform:translateY(-2px)}
  .vb .f{font-family:var(--fr);font-style:italic;font-size:.98rem}
  .vb .m{font-size:.63rem;color:var(--muted);margin-top:3px}
  .vb .fam{font-size:.58rem;color:var(--gold);font-family:"Outfit";font-weight:700;margin-top:2px}

  /* ══════════ §02 EJEMPLOS ══════════ */
  .exrow{background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:15px;margin:12px 0}
  .exrow .top{display:flex;align-items:flex-start;gap:10px;justify-content:space-between}
  .exrow .scn{font-family:"Outfit";font-size:.68rem;font-weight:700;letter-spacing:.04em;color:var(--gold);text-transform:uppercase;margin-bottom:5px}
  .exrow .frword{font-family:var(--fr);font-style:italic;font-size:1.45rem;line-height:1.25}
  .exrow .romaji{color:var(--muted);font-family:"Outfit";font-size:.9rem;margin-top:3px}
  .exrow .mean{color:#3F4656;margin-top:6px;font-size:.96rem}
  .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:11px}
  .chip{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:7px 10px;text-align:center;min-width:54px}
  .chip .c{font-family:var(--fr);font-style:italic;font-size:1.02rem}.chip .m{font-size:.66rem;color:var(--muted);margin-top:2px}
  .audiobtns{display:flex;gap:8px;flex:none}
  .ab{border:1px solid var(--line);background:var(--bg2);color:var(--text);border-radius:10px;width:38px;height:38px;font-size:1.05rem;cursor:pointer;display:grid;place-items:center;transition:.12s}
  .ab:hover{border-color:var(--accent);color:var(--accent)}.ab:active{transform:scale(.92)}

  /* ══════════ §03 ERRORES ══════════ */
  .mrow{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:560px){.mrow{grid-template-columns:1fr}}
  .mcell{border-radius:13px;padding:13px 14px;border:1px solid var(--line)}
  .mcell.bad{background:#FBEBEA;border-color:#E7B8B3}.mcell.good{background:#EAF6EF;border-color:#A7E3C4}
  .mcell .tag{font-family:"Outfit";font-weight:700;font-size:.74rem;letter-spacing:.05em;margin-bottom:5px}
  .mcell.bad .tag{color:var(--err)}.mcell.good .tag{color:var(--ok)}
  .mcell .jp{font-family:var(--fr);font-style:italic;font-size:1.12rem}
  .mcell small{color:var(--muted);display:block;margin-top:3px}
  .errlist{margin:14px 0 0;padding-left:0;list-style:none;display:grid;gap:11px}
  .errlist li{background:var(--bg3);border:1px solid var(--line);border-left:3px solid var(--err);border-radius:10px;padding:11px 13px;font-size:.92rem}
  .errlist b{color:#1C1C1C}
  .faux{background:var(--bg3);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:11px 13px;margin-top:11px;font-size:.9rem}

  /* ══════════ §04 CULTURE ══════════ */
  .culture{background:linear-gradient(135deg,#F5F8F7,#EEF3F1);border:1px solid #D9E2E0}
  .culture .sec-ico{background:#EAF3F0;border-color:#D9E2E0}

  /* ══════════ §05 SHADOWING · §06 COVER TEST ══════════ */
  .revrow{display:flex;align-items:center;gap:12px;background:var(--bg3);border:1px solid var(--line);border-radius:13px;padding:12px 14px;margin:10px 0}
  .revrow .num{font-family:"Outfit";font-weight:800;color:var(--muted);width:24px;text-align:center;flex:none}
  .reveal{cursor:pointer;font-family:var(--fr);font-style:italic;font-size:1.3rem;border-radius:10px;padding:3px 14px;background:var(--bg2);border:1px solid var(--line);transition:.15s;user-select:none}
  .reveal.blur{filter:blur(8px);color:var(--muted)}.reveal:hover{border-color:var(--accent)}.revrow .grow{flex:1}
  .hint-mini{font-size:.7rem;color:var(--muted);font-family:"Outfit"}

  /* ══════════ §07 EJERCICIOS ══════════ */
  .exq{background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:16px;margin:13px 0}
  .exq .label{font-family:"Outfit";font-weight:700;font-size:.74rem;letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
  .exq .q{font-weight:600;margin:8px 0 13px;font-size:1.02rem}
  .opts{display:grid;gap:9px}
  .opt{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--bg2);border-radius:11px;padding:11px 13px;cursor:pointer;transition:.12s;font-size:.96rem}
  button.opt{font-family:inherit;color:inherit;text-align:left;width:100%;appearance:none}
  .opt .jp{font-family:var(--fr);font-style:italic;font-size:1.08rem}
  .opt:hover{border-color:var(--muted)}.opt.correct{border-color:var(--ok);background:var(--ok-soft)}.opt.wrong{border-color:var(--err);background:#FBEBEA}
  .opt .fb{margin-left:auto;font-size:.76rem;color:var(--muted);display:none}.opt.correct .fb{display:block}
  .match{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:560px){.match{gap:10px}}
  .mcol{display:grid;gap:9px}
  .mitem{border:1px solid var(--line);background:var(--bg2);border-radius:11px;padding:12px;cursor:pointer;text-align:center;transition:.12s;font-family:var(--fr);font-style:italic;font-size:1.05rem}
  button.mitem{color:inherit;width:100%;appearance:none}
  .mitem.sel{border-color:#B9C0CC;background:#EEF1F4}.mitem.done{border-color:var(--ok);background:var(--ok-soft);cursor:default;opacity:.7}
  .mitem.shake{animation:shake .35s}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
  .prod{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:4px}
  .prod input{flex:1;min-width:170px;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:11px;padding:12px 14px;font-size:1.05rem;font-family:var(--fr)}
  .prod input:focus{outline:none;border-color:var(--accent)}
  .btn{border:none;border-radius:11px;padding:12px 16px;font-family:"Outfit";font-weight:700;font-size:.92rem;cursor:pointer;transition:.12s}
  .btn-accent{background:var(--accent);color:#FFFFFF}.btn-accent:hover{filter:brightness(1.08)}
  .btn-ghost{background:var(--bg2);color:var(--muted);border:1px solid var(--line)}.btn-ghost:hover{color:var(--text)}
  .prodfb{font-size:.88rem;margin-top:9px;min-height:20px}.prodfb.ok{color:var(--ok)}.prodfb.no{color:var(--err)}
  .prod-answer{font-family:var(--fr);font-style:italic;color:var(--gold)}

  /* ══════════ §08 REPASO ══════════ */
  .revgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}@media(max-width:560px){.revgrid{grid-template-columns:repeat(2,1fr)}}
  .rcard{background:var(--bg3);border:1px solid var(--line);border-radius:13px;padding:13px 6px;text-align:center;cursor:pointer;transition:.12s}
  button.rcard,button.vb{color:inherit;width:100%;appearance:none}
  .rcard:hover{border-color:var(--accent);transform:translateY(-2px)}
  .rcard .jp{font-family:var(--fr);font-style:italic;font-size:1.05rem}.rcard .r{font-family:"Outfit";font-size:.68rem;color:var(--accent);margin-top:3px}.rcard .m{font-size:.62rem;color:var(--muted);margin-top:2px}
  .seed-note{font-size:.84rem;color:var(--muted);background:var(--bg3);border:1px solid var(--line);border-radius:11px;padding:11px 13px;margin-bottom:13px}

  /* ══════════ SCORE + CELEBRACIÓN ══════════ */
  .scorebar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:22px 0}
  .scorebar .lbl{font-family:"Outfit";color:var(--muted);font-size:.85rem}.scorebar .val{font-family:"Outfit";font-weight:800;font-size:1.3rem}
  .gatehint{font-size:.8rem;color:var(--muted);font-family:"Outfit"}#finishBtn:disabled{opacity:.45;cursor:not-allowed}
  .cele-overlay{position:fixed;inset:0;background:rgba(28,28,34,.55);backdrop-filter:blur(6px);display:none;place-items:center;z-index:50;padding:20px}
  .cele-overlay.show{display:grid;animation:fade .3s}@keyframes fade{from{opacity:0}}
  .cele{background:var(--bg2);border:1px solid var(--accent);border-radius:24px;max-width:420px;width:100%;text-align:center;padding:34px 26px;box-shadow:0 30px 80px -20px rgba(20,20,40,.32);position:relative}
  .cele .big{font-size:3.4rem}.cele h3{font-family:var(--fr);font-style:italic;font-weight:700;font-size:1.5rem;margin:6px 0}.cele p{color:var(--muted);font-size:.95rem}
  .cele .stats{display:flex;justify-content:center;gap:14px;margin:20px 0}
  .cele .stat{background:var(--bg3);border:1px solid var(--line);border-radius:14px;padding:12px 16px;min-width:78px}
  .cele .stat .n{font-family:"Outfit";font-weight:800;font-size:1.3rem}
  .cele .stat .n.xp{color:var(--gold)}.cele .stat .n.sc{color:var(--ok)}.cele .stat .n.st{color:var(--accent)}
  .cele .stat .t{font-size:.66rem;color:var(--muted);font-family:"Outfit";text-transform:uppercase;letter-spacing:.05em}
  .cele .next{margin-top:6px}
  .confetti{position:absolute;top:0;width:9px;height:14px;opacity:0;animation:drop 1.6s ease-in forwards}
  @keyframes drop{0%{opacity:1;transform:translateY(-30px) rotate(0)}100%{opacity:0;transform:translateY(360px) rotate(540deg)}}

  /* ══════════ FOOTER ══════════ */
  footer{border-top:1px solid var(--line);margin-top:34px;padding:26px 0;text-align:center}
  footer .verse{font-style:italic;color:var(--muted);max-width:540px;margin:0 auto 14px;font-size:.9rem;font-family:var(--fr)}
  footer .qa{font-size:.78rem;color:var(--muted)}footer .qa b{color:var(--ok)}
  .tts-warn{font-size:.72rem;color:var(--muted);text-align:center;margin-top:8px}

  /* ══════════ SIDEBAR ══════════ */
  aside{background:#F7F8FA!important;border-right:1px solid var(--line)!important;padding:0!important;gap:0!important;display:flex!important;flex-direction:column!important;position:sticky!important;top:58px!important;align-self:start!important;height:calc(100vh - 58px)!important}
  aside::-webkit-scrollbar{width:4px}aside::-webkit-scrollbar-track{background:transparent}aside::-webkit-scrollbar-thumb{background:#5A6070;border-radius:2px}
  aside{scrollbar-width:thin;scrollbar-color:#5A6070 transparent}
  .cn-sb{display:flex;flex-direction:column;height:100%;padding:16px 10px;overflow-y:auto}
  .cn-sb-top{display:flex;justify-content:space-between;align-items:center;padding:0 4px 14px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-shrink:0}
  .cn-back{font-size:11px;font-weight:700;color:var(--muted);text-decoration:none;transition:color .2s;font-family:"Outfit",sans-serif}.cn-back:hover{color:var(--text)}
  .cn-section-lbl{font-size:9px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#7A8490;padding:0 4px;margin-bottom:8px;flex-shrink:0;font-family:"Outfit",sans-serif}
  .cn-list{display:flex;flex-direction:column;gap:2px}
  .cn-li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;text-decoration:none;border:1px solid transparent;transition:all .18s;position:relative;overflow:hidden}
  .cn-li:not(.is-active):hover{background:rgba(0,0,0,.04);border-color:var(--line)}
  .cn-li.is-active{background:rgba(var(--ac-rgb),.12);border-color:rgba(var(--ac-rgb),.28)}
  .cn-li.is-active::before{content:'';position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:0 2px 2px 0;background:var(--ac)}
  .cn-li-badge{width:26px;height:26px;border-radius:7px;flex-shrink:0;background:rgba(0,0,0,.04);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;color:#7A8490;font-family:"Outfit",sans-serif;transition:all .18s}
  .cn-li.is-active .cn-li-badge{background:rgba(var(--ac-rgb),.15);border-color:rgba(var(--ac-rgb),.32);color:var(--ac)}
  .cn-li:not(.is-active):hover .cn-li-badge{color:var(--muted);border-color:#6A7080}
  .cn-li-meta{flex:1;min-width:0}
  .cn-li-hindi{font-size:15px;font-weight:700;color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3;transition:color .18s;font-family:"Outfit",sans-serif}
  .cn-li.is-active .cn-li-hindi{color:var(--text)}.cn-li:not(.is-active):hover .cn-li-hindi{color:#1C1C1C}
  .cn-li-sub{font-size:12px;color:#7A8490;display:block;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2;transition:color .18s;font-family:"Outfit",sans-serif}
  .cn-li.is-active .cn-li-sub{color:rgba(var(--ac-rgb),.7)}
  .cn-prog-area{flex-shrink:0;padding-top:12px;border-top:1px solid var(--line);margin-top:auto;position:sticky;bottom:-16px;background:var(--bg2);padding-bottom:16px;z-index:10}
  .cn-prog-lbl{font-size:9px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:#7A8490;display:block;margin-bottom:9px;padding:0 2px;font-family:"Outfit",sans-serif}
  .cn-dots{display:flex;gap:3px;flex-wrap:wrap}
  .cn-dt{flex:1;min-width:22px;height:22px;border-radius:5px;border:1px solid var(--line);background:transparent;display:flex;align-items:center;justify-content:center;font-size:8px;font-weight:800;color:#7A8490;font-family:"Outfit",sans-serif;transition:all .2s;cursor:default}
  .cn-dt.done{background:rgba(28,28,28,.06);border-color:rgba(28,28,28,.16);color:var(--accent)}
  .cn-dt.curr{background:var(--accent);border-color:var(--accent);color:#FFFFFF;font-weight:900}

  /* ══════════ LAYOUT + ANIMACIONES DE ICONO ══════════ */
  .layout{display:grid;grid-template-columns:268px 1fr;min-height:calc(100vh - 58px)}

  /* ══════════ MOBILE/TABLET: sidebar se vuelve drawer off-canvas ══════════ */
  .sb-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:1px solid rgba(0,0,0,.2);border-radius:8px;cursor:pointer;flex:none}
  .sb-toggle span,.sb-toggle::before,.sb-toggle::after{content:'';display:block;width:16px;height:2px;background:#1C1C1C;border-radius:2px}
  .sb-toggle span{margin:3px 0}
  .sb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:400;opacity:0;pointer-events:none;transition:opacity .3s ease}
  .sb-overlay.show{opacity:1;pointer-events:all}
  @media(max-width:880px){
    .layout{grid-template-columns:1fr}
    .sb-toggle{display:flex}
    aside{position:fixed!important;top:0!important;height:100vh!important;width:268px!important;max-width:80vw;transform:translateX(-100%);transition:transform .3s cubic-bezier(.165,.84,.44,1);box-shadow:0 0 40px rgba(0,0,0,.18);z-index:500}
    aside.open{transform:translateX(0)}
    .cn-sb{position:static!important;top:0!important}
  }
  main{max-width:100%;overflow-x:hidden}
  @keyframes gear-rotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
  .gear-spin-infinite{animation:gear-rotate 8s linear infinite;display:inline-block;transform-origin:center}
  @keyframes bulb-bounce{0%,100%{transform:translateY(0) scale(1)}30%{transform:translateY(-6px) scale(1.08)}50%{transform:translateY(2px) scale(0.96)}70%{transform:translateY(-2px) scale(1.02)}}
  .lightbulb-bounce{animation:bulb-bounce 1s ease-out 1;display:inline-block;transform-origin:center}

@media(max-width:880px){.cn-nav{flex-wrap:wrap!important;padding:12px 16px!important;gap:8px!important}.cn-right{width:100%!important;justify-content:flex-start!important;gap:8px!important;overflow-x:auto!important}.cn-fb-btn{padding:5px 10px!important;font-size:11px!important;white-space:nowrap!important}main{max-width:100vw!important;box-sizing:border-box!important;overflow-x:hidden!important}body,html{overflow-x:hidden!important}}