/* Paletas de color: 5 opciones (data-palette en <html>), cada una en claro y oscuro (data-theme o el modo del sistema).
   Basadas en las paletas de Pencil; todas las parejas de texto y fondo cumplen WCAG AA (4,5:1 o más).
   Sin data-palette se usa la naranja, que es la de por defecto. */
:root{
  --hand:"Caveat", "Comic Sans MS", cursive;
  --display:"Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body:"Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
}
/* Naranja */
:root{color-scheme:light;
  --bg:#f7f8fa; --surface:#ffffff; --surface-2:#f2f3f6; --ink:#1a1a1a; --muted:#4b5563; --line:#e5e7eb;
  --accent:#c2410c; --accent-ink:#ffffff; --accent-soft:#ffede3; --mark:#ffdcc7; --mark-ink:#8a2c06; --ok:#146c36;
  --ok-bg:#e7f6ec; --bad:#b91c1c; --bad-bg:#fdecec; --ta:#e7eefb; --ta-ink:#2546a3; --tb:#e4f2e9;
  --tb-ink:#17633a; --tc:#f1ecfb; --tc-ink:#5b2a9e; --sticky:#ffe8d9; --sticky-ink:#7a2808; --strong:#7c2d12;
  --strong-ink:#ffffff; --mark-line:#ffdcc7; --focus:#c2410c; --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px -14px rgba(16,24,40,.18);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){color-scheme:dark;
    --bg:#100d0b; --surface:#1a1512; --surface-2:#221c18; --ink:#f2eeea; --muted:#ada49c; --line:#332a24;
    --accent:#ff8a4c; --accent-ink:#1f0a00; --accent-soft:#3a2014; --mark:#4a2614; --mark-ink:#ffcba8; --ok:#5ad394;
    --ok-bg:#10281c; --bad:#f87171; --bad-bg:#3a1414; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
    --tb-ink:#8dd8ae; --tc:#2a2040; --tc-ink:#cdb8f5; --sticky:#3e2214; --sticky-ink:#ffd9c2; --strong:#5a230e;
    --strong-ink:#ffe9dc; --mark-line:#4a2614; --focus:#ff8a4c; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{color-scheme:dark;
  --bg:#100d0b; --surface:#1a1512; --surface-2:#221c18; --ink:#f2eeea; --muted:#ada49c; --line:#332a24;
  --accent:#ff8a4c; --accent-ink:#1f0a00; --accent-soft:#3a2014; --mark:#4a2614; --mark-ink:#ffcba8; --ok:#5ad394;
  --ok-bg:#10281c; --bad:#f87171; --bad-bg:#3a1414; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
  --tb-ink:#8dd8ae; --tc:#2a2040; --tc-ink:#cdb8f5; --sticky:#3e2214; --sticky-ink:#ffd9c2; --strong:#5a230e;
  --strong-ink:#ffe9dc; --mark-line:#4a2614; --focus:#ff8a4c; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}
/* Cobalto */
:root[data-palette="cobalto"]{color-scheme:light;
  --bg:#f7f8fa; --surface:#ffffff; --surface-2:#f1f3f7; --ink:#1a1a1a; --muted:#4b5563; --line:#e3e7ed;
  --accent:#0057e6; --accent-ink:#ffffff; --accent-soft:#e6efff; --mark:#dce8ff; --mark-ink:#0045b5; --ok:#146c36;
  --ok-bg:#e7f6ec; --bad:#c2410c; --bad-bg:#fdeee6; --ta:#e6efff; --ta-ink:#0045b5; --tb:#e6f5ec;
  --tb-ink:#166534; --tc:#fce8f0; --tc-ink:#a3195b; --sticky:#e9eef8; --sticky-ink:#1e3a8a; --strong:#0057e6;
  --strong-ink:#ffffff; --mark-line:#dce8ff; --focus:#0057e6; --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px -14px rgba(16,24,40,.18);
}
@media (prefers-color-scheme: dark){
  :root[data-palette="cobalto"]:not([data-theme="light"]){color-scheme:dark;
    --bg:#0b0f17; --surface:#121826; --surface-2:#182033; --ink:#eef1f6; --muted:#9aa4b2; --line:#263042;
    --accent:#5b95ff; --accent-ink:#04122e; --accent-soft:#14254a; --mark:#1b3466; --mark-ink:#bcd3ff; --ok:#5ad394;
    --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#14254a; --ta-ink:#a9c6ff; --tb:#13281c;
    --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#1c2a47; --sticky-ink:#c9daff; --strong:#1d4ed8;
    --strong-ink:#ffffff; --mark-line:#1b3466; --focus:#5b95ff; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-palette="cobalto"][data-theme="dark"]{color-scheme:dark;
  --bg:#0b0f17; --surface:#121826; --surface-2:#182033; --ink:#eef1f6; --muted:#9aa4b2; --line:#263042;
  --accent:#5b95ff; --accent-ink:#04122e; --accent-soft:#14254a; --mark:#1b3466; --mark-ink:#bcd3ff; --ok:#5ad394;
  --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#14254a; --ta-ink:#a9c6ff; --tb:#13281c;
  --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#1c2a47; --sticky-ink:#c9daff; --strong:#1d4ed8;
  --strong-ink:#ffffff; --mark-line:#1b3466; --focus:#5b95ff; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}
/* Lavanda */
:root[data-palette="lavanda"]{color-scheme:light;
  --bg:#f5f3fa; --surface:#ffffff; --surface-2:#f0edf7; --ink:#1a1a1a; --muted:#5e5670; --line:#e4dfef;
  --accent:#7a4fa6; --accent-ink:#ffffff; --accent-soft:#efe7f7; --mark:#e8dcf4; --mark-ink:#5a2d86; --ok:#146c36;
  --ok-bg:#e7f6ec; --bad:#c2410c; --bad-bg:#fdeee6; --ta:#e7eefb; --ta-ink:#2546a3; --tb:#e4f2e9;
  --tb-ink:#17633a; --tc:#fbe7ee; --tc-ink:#9e1e4d; --sticky:#f1e8fa; --sticky-ink:#4c2675; --strong:#2b1d3a;
  --strong-ink:#ffffff; --mark-line:#e8dcf4; --focus:#7a4fa6; --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px -14px rgba(16,24,40,.18);
}
@media (prefers-color-scheme: dark){
  :root[data-palette="lavanda"]:not([data-theme="light"]){color-scheme:dark;
    --bg:#110e17; --surface:#1a1622; --surface-2:#221d2d; --ink:#f0ecf5; --muted:#a9a0b8; --line:#2f2840;
    --accent:#c3a2e0; --accent-ink:#1e0f2e; --accent-soft:#2d2240; --mark:#3a2a55; --mark-ink:#dcc6f2; --ok:#5ad394;
    --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
    --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#2e2343; --sticky-ink:#e3d3f5; --strong:#2c2340;
    --strong-ink:#f0ecf5; --mark-line:#3a2a55; --focus:#c3a2e0; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-palette="lavanda"][data-theme="dark"]{color-scheme:dark;
  --bg:#110e17; --surface:#1a1622; --surface-2:#221d2d; --ink:#f0ecf5; --muted:#a9a0b8; --line:#2f2840;
  --accent:#c3a2e0; --accent-ink:#1e0f2e; --accent-soft:#2d2240; --mark:#3a2a55; --mark-ink:#dcc6f2; --ok:#5ad394;
  --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
  --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#2e2343; --sticky-ink:#e3d3f5; --strong:#2c2340;
  --strong-ink:#f0ecf5; --mark-line:#3a2a55; --focus:#c3a2e0; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}
/* Bosque */
:root[data-palette="bosque"]{color-scheme:light;
  --bg:#f4f7f5; --surface:#ffffff; --surface-2:#eef3ef; --ink:#1b3a28; --muted:#4a6b52; --line:#d9e4db;
  --accent:#2d5e3a; --accent-ink:#ffffff; --accent-soft:#e1edda; --mark:#d7e8cc; --mark-ink:#1f4a2c; --ok:#146c36;
  --ok-bg:#e6f4ec; --bad:#b5410f; --bad-bg:#fcebe2; --ta:#e7eefb; --ta-ink:#2546a3; --tb:#e3f0e5;
  --tb-ink:#1f5a31; --tc:#fbe7ec; --tc-ink:#9b1e45; --sticky:#e4efdc; --sticky-ink:#1f4a2c; --strong:#1b3a28;
  --strong-ink:#ffffff; --mark-line:#d7e8cc; --focus:#2d5e3a; --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px -14px rgba(16,24,40,.18);
}
@media (prefers-color-scheme: dark){
  :root[data-palette="bosque"]:not([data-theme="light"]){color-scheme:dark;
    --bg:#0c1410; --surface:#121d17; --surface-2:#18261e; --ink:#e7f0e9; --muted:#9fb5a5; --line:#24362b;
    --accent:#8bc79a; --accent-ink:#0a1f12; --accent-soft:#1a3324; --mark:#24452f; --mark-ink:#c2e6cb; --ok:#5ad394;
    --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
    --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#1f3a28; --sticky-ink:#cfe8d5; --strong:#1f3a2a;
    --strong-ink:#e7f0e9; --mark-line:#24452f; --focus:#8bc79a; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-palette="bosque"][data-theme="dark"]{color-scheme:dark;
  --bg:#0c1410; --surface:#121d17; --surface-2:#18261e; --ink:#e7f0e9; --muted:#9fb5a5; --line:#24362b;
  --accent:#8bc79a; --accent-ink:#0a1f12; --accent-soft:#1a3324; --mark:#24452f; --mark-ink:#c2e6cb; --ok:#5ad394;
  --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
  --tb-ink:#8dd8ae; --tc:#32182a; --tc-ink:#f3a9c6; --sticky:#1f3a28; --sticky-ink:#cfe8d5; --strong:#1f3a2a;
  --strong-ink:#e7f0e9; --mark-line:#24452f; --focus:#8bc79a; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}
/* Rosa */
:root[data-palette="rosa"]{color-scheme:light;
  --bg:#f3f4f6; --surface:#ffffff; --surface-2:#eef0f3; --ink:#1a1a1a; --muted:#4b5563; --line:#e1e4e8;
  --accent:#c2257a; --accent-ink:#ffffff; --accent-soft:#fce7f2; --mark:#fbd9eb; --mark-ink:#8e1458; --ok:#146c36;
  --ok-bg:#e7f6ec; --bad:#c2410c; --bad-bg:#fdeee6; --ta:#e7eefb; --ta-ink:#2546a3; --tb:#e4f2e9;
  --tb-ink:#17633a; --tc:#f1ecfb; --tc-ink:#5b2a9e; --sticky:#fde6f1; --sticky-ink:#7a1149; --strong:#1a1a1a;
  --strong-ink:#ffffff; --mark-line:#fbd9eb; --focus:#c2257a; --shadow:0 1px 2px rgba(16,24,40,.05), 0 8px 24px -14px rgba(16,24,40,.18);
}
@media (prefers-color-scheme: dark){
  :root[data-palette="rosa"]:not([data-theme="light"]){color-scheme:dark;
    --bg:#0f0f11; --surface:#18181b; --surface-2:#202024; --ink:#ededf0; --muted:#a3a3ad; --line:#2e2e33;
    --accent:#ff6dbf; --accent-ink:#2a0418; --accent-soft:#3a1530; --mark:#4a1a3b; --mark-ink:#ffc2e3; --ok:#5ad394;
    --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
    --tb-ink:#8dd8ae; --tc:#2a2040; --tc-ink:#cdb8f5; --sticky:#3a1a30; --sticky-ink:#ffd3ea; --strong:#26262b;
    --strong-ink:#ededf0; --mark-line:#4a1a3b; --focus:#ff6dbf; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-palette="rosa"][data-theme="dark"]{color-scheme:dark;
  --bg:#0f0f11; --surface:#18181b; --surface-2:#202024; --ink:#ededf0; --muted:#a3a3ad; --line:#2e2e33;
  --accent:#ff6dbf; --accent-ink:#2a0418; --accent-soft:#3a1530; --mark:#4a1a3b; --mark-ink:#ffc2e3; --ok:#5ad394;
  --ok-bg:#10281c; --bad:#f59470; --bad-bg:#341a12; --ta:#18223b; --ta-ink:#aac1f5; --tb:#13281c;
  --tb-ink:#8dd8ae; --tc:#2a2040; --tc-ink:#cdb8f5; --sticky:#3a1a30; --sticky-ink:#ffd3ea; --strong:#26262b;
  --strong-ink:#ededf0; --mark-line:#4a1a3b; --focus:#ff6dbf; --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 var(--body);padding-bottom:64px;-webkit-tap-highlight-color:transparent}
a,button,summary,label,input{touch-action:manipulation}
img{max-width:100%}
a{color:var(--accent)}
.wrap{max-width:800px;margin:0 auto;padding:32px max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;gap:20px}
body:is([data-tab="inicio"],[data-tab="planes"]) .wrap{max-width:1180px}
/* barra superior: marca, pestañas y estadísticas */
.topbar{background:var(--surface);border-bottom:1px solid var(--line)}
.topin{max-width:1180px;margin:0 auto;padding:0 16px;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{margin:0;font:800 22px/1 var(--display);letter-spacing:-.02em}
.brand a{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none}
.logo{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:var(--accent-ink);font:800 15px var(--display);letter-spacing:0}
.stats{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted)}
.chip svg{width:15px;height:15px;flex:none;color:var(--accent)}
.chip:first-child svg{color:#e8742c}
#back-top{display:none}
.chip b{color:var(--ink)}
nav.tabs{display:flex;gap:4px;align-self:stretch}
nav.tabs a{position:relative;display:flex;align-items:center;gap:8px;font:600 16px var(--display);color:var(--muted);padding:0 16px;border-bottom:3px solid transparent;text-decoration:none;white-space:nowrap}
nav.tabs a svg{width:18px;height:18px}
nav.tabs a[aria-current="page"]{color:var(--ink);border-color:var(--accent)}
@media (min-width:701px) and (max-width:1180px){
  .topin{flex-wrap:wrap;padding-top:14px;row-gap:6px}
  nav.tabs{order:3;width:100%;min-height:50px}
  nav.tabs a{padding:0 12px}
}
@media (max-width:700px){
  :root{--navh:calc(68px + env(safe-area-inset-bottom,0px)); --toph:56px}
  html{padding-top:0;scroll-padding-top:calc(var(--toph) + env(safe-area-inset-top,0px) + 8px);scroll-padding-bottom:calc(var(--navh) + 12px)}
  body{padding-bottom:calc(var(--navh) + 24px)}
  .wrap{gap:12px;padding:12px max(10px,env(safe-area-inset-right,0px)) 0 max(10px,env(safe-area-inset-left,0px))}
  /* barra superior compacta y fija: marca o «volver» a la izquierda, racha y acierto a la derecha */
  /* sin backdrop-filter: haría que la barra de pestañas (position:fixed, dentro de la cabecera) se quede arriba */
  .topbar{position:sticky;top:0;z-index:9;background:var(--bg);border:0}
  .topin{min-height:var(--toph);padding:env(safe-area-inset-top,0px) 12px 0;flex-wrap:nowrap}
  .brand{font-size:26px}
  .brand .logo{display:none}
  #back-top{flex:1 1 auto;min-width:0}
  body.has-back #back-top{display:block}
  body.has-back .brand,body.has-back .wrap>#back{display:none}
  .stats{flex:none;gap:6px;flex-wrap:nowrap}
  .chip{padding:4px 10px;font-size:13.5px}
  .chip .l{display:none}
  nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--surface);border-top:1px solid var(--line);padding:6px max(4px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(4px,env(safe-area-inset-left,0px));gap:0;box-shadow:0 -6px 20px -14px rgba(0,0,0,.4)}
  nav.tabs a{flex:1;flex-direction:column;justify-content:center;gap:2px;font:700 11.5px var(--body);padding:6px 2px;border:0;margin:0;border-radius:10px;transition:transform .12s}
  nav.tabs a:active{transform:scale(.92)}
  nav.tabs a svg{width:23px;height:23px}
  nav.tabs a[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
  nav.tabs .badge{position:absolute;top:0;right:calc(50% - 26px);margin:0}
  /* con el teclado abierto la barra de abajo estorba: se esconde mientras escribes */
  body:has(input:not([type=checkbox]):not([type=date]):focus,textarea:focus) nav.tabs{display:none}
  /* dentro de un test o unas tarjetas se ocultan las pestañas para concentrarse */
  body[data-focus]{--navh:env(safe-area-inset-bottom,0px)}
  body[data-focus] nav.tabs{display:none}
}
.badge{display:inline-block;min-width:20px;padding:0 6px;border-radius:999px;background:var(--bad-bg);color:var(--bad);font:700 12px/20px var(--body);text-align:center;margin-left:4px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:clamp(18px,4vw,32px)}
.intro{color:var(--muted);font-size:15px;margin:0}
/* foco visible en los dos temas: contorno de color con un halo del color del fondo */
:where(button,input,select,textarea,a,summary,[tabindex]):focus-visible{outline:3px solid var(--focus);outline-offset:2px;box-shadow:0 0 0 5px var(--bg)}
main:focus{outline:none}

/* quiz */
.quiz{display:flex;flex-direction:column;gap:18px}
.qmeta{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.bar{height:6px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);transition:width .3s}
.tag{margin:0;font:700 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.sentence{font:600 clamp(21px,3.6vw,27px)/1.4 var(--display);margin:0;text-wrap:balance}
.blank{display:inline-block;min-width:4.5em;border-bottom:3px solid var(--ink);text-align:center;color:transparent}
.blank.filled{color:var(--mark-ink);background:var(--mark);border-color:transparent;border-radius:3px;padding-inline:6px}
.hint{color:var(--muted);font-weight:400;font-family:var(--body);font-size:.8em}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.opt{font:inherit;text-align:left;display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1.5px solid var(--line);color:var(--ink);border-radius:10px;padding:12px 14px;cursor:pointer}
.opt:hover:not(:disabled){border-color:var(--accent)}
.opt kbd{font:700 12px var(--body);color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.opt.ok{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}
.opt.bad{background:var(--bad-bg);border-color:var(--bad);color:var(--bad)}
.opt:disabled{cursor:default}
.opt:disabled:not(.ok):not(.bad){opacity:.6}
.opt>svg{width:20px;height:20px;margin-left:auto;flex:none}
.opt.ok,.opt.bad{font-weight:700}
.typed{display:flex;gap:10px;flex-wrap:wrap}
.typed input{flex:1 1 220px;font:inherit;font-size:19px;padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface-2);color:var(--ink)}
.typed input.ok{border-color:var(--ok);background:var(--ok-bg)}
.typed input.bad{border-color:var(--bad);background:var(--bad-bg)}
.btn{font:600 16px var(--body);border-radius:10px;padding:10px 18px;cursor:pointer;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:none}
.btn:disabled{opacity:.5;cursor:default}
.feedback{border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.feedback.ok{background:var(--ok-bg)} .feedback.bad{background:var(--bad-bg)}
.verdict{margin:0;font-weight:700}
.feedback.ok .verdict{color:var(--ok)} .feedback.bad .verdict{color:var(--bad)}
.note{margin:0;color:var(--ink)}
.end{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.big{font:800 64px/1 var(--display);margin:0;font-variant-numeric:tabular-nums}
.row{display:flex;gap:10px;flex-wrap:wrap}
.review{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;width:100%}
.review li{border-top:1px solid var(--line);padding-top:8px;font-size:15px}
.review .q{font-weight:700}
.review .n{color:var(--muted)}
mark{background:var(--mark);color:var(--mark-ink);padding-inline:3px;border-radius:2px}

/* flashcards */
.fc{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.card{min-height:220px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface-2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;cursor:pointer;font:inherit;color:var(--ink)}
.card .pv{font:800 clamp(34px,7vw,48px)/1.05 var(--display);margin:0}
.card .es{font:700 22px var(--display);margin:0;color:var(--accent)}
.card .ex{margin:0;max-width:44ch}
.card small{color:var(--muted)}
.fcnav{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px}

/* tables & reference */
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:700 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
td:first-child{font-weight:700;white-space:nowrap}
.traps{border:2px dashed var(--accent);border-radius:12px;padding:16px 18px;margin-top:14px}
.traps h3{font:700 19px var(--display);margin:0 0 8px}
.traps ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:15px}
.wrong{color:var(--bad);text-decoration:line-through}
.right{color:var(--ok);font-weight:700}
.empty{color:var(--muted);text-align:center;padding:30px 0}
.confirm{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:15px}
/* guides */
.guide{display:flex;flex-direction:column;gap:26px}
.ghead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px}
.ghead :is(h1,h2){font:800 clamp(26px,5vw,36px)/1.05 var(--display);margin:0;letter-spacing:-.015em;text-wrap:balance}
.ghead :is(h1,h2) em{font-style:normal;color:var(--muted);font-weight:600}
.ghead p{margin:6px 0 0;color:var(--muted);font-size:15px}
.sticky{background:var(--sticky);color:var(--sticky-ink);font:600 22px/1.15 var(--hand);padding:12px 16px;max-width:220px;transform:rotate(2deg);box-shadow:0 6px 14px -8px rgba(0,0,0,.35)}
.sticky s{opacity:.7}
.gsec h3{display:inline-block;font:700 20px var(--display);margin:0 0 10px;background:linear-gradient(transparent 68%,var(--mark-line) 68%,var(--mark-line) 94%,transparent 94%);padding-inline:2px}
.gcols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.gcell{border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;font-size:15.5px}
.gcell.a{background:var(--ta)} .gcell.b{background:var(--tb)} .gcell.c{background:var(--tc)}
.cname{margin:0;font:700 13px var(--body);letter-spacing:.06em;text-transform:uppercase}
.gcell.a .cname{color:var(--ta-ink)} .gcell.b .cname{color:var(--tb-ink)} .gcell.c .cname{color:var(--tc-ink)}
.gcell ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:3px}
.gcell p{margin:0}
.gcell .form{font-weight:700}
.gcell .chips{display:flex;flex-wrap:wrap;gap:5px}
.gcell .chips span{background:var(--surface);border-radius:6px;padding:1px 8px;font-size:14px}
.gcell .hl{font:600 19px/1.2 var(--hand)}
.gtable{overflow-x:auto}
.gtable table td:first-child{white-space:normal}
.gtable td b{color:var(--accent)}
.filter{font:inherit;padding:8px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface-2);color:var(--ink);width:100%;max-width:320px;margin-bottom:10px}
.xmp{font-size:14px;color:var(--muted)}
.timeline{position:relative;height:120px;margin:4px 0 14px}
.tl-axis{position:absolute;left:0;right:0;top:62px;border-top:2px solid var(--ink);display:flex;justify-content:space-between;padding-top:4px;font-size:13px;color:var(--muted)}
.tl-axis::after{content:"";position:absolute;right:-2px;top:-7px;border:6px solid transparent;border-left:10px solid var(--ink)}
.tl-long{position:absolute;left:8%;right:14%;top:36px;height:26px;background:var(--tb);color:var(--tb-ink);border:2px solid var(--tb-ink);border-bottom:0;border-radius:8px 8px 0 0;font:700 15px/24px var(--body);text-align:left;padding-left:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-hit{position:absolute;left:72%;top:4px;display:flex;flex-direction:column;align-items:center;transform:translateX(-50%)}
.tl-hit::before{content:"";width:2px;height:54px;background:var(--ta-ink);order:1}
.tl-dot{order:2;width:14px;height:14px;border-radius:50%;background:var(--ta-ink);margin-top:-8px}
.tl-lbl{order:3;margin-top:22px;background:var(--ta);color:var(--ta-ink);font:700 14px var(--body);padding:2px 8px;border-radius:6px;white-space:nowrap}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .opt:active,.xopt:active,.btn:active,.qbtn:active,.mini:active,.clb:active,.spk:active,.card:active,nav.tabs a:active{transform:none!important}
}

/* ---------- app v2 ---------- */
.foot{color:var(--muted);font-size:13px;text-align:center}
.back{display:inline-flex;align-items:center;gap:6px;font:600 15px var(--body);text-decoration:none;color:var(--accent);padding:6px 0}
#back:empty{display:none}
.h2{font:800 22px/1.15 var(--display);margin:0 0 10px;letter-spacing:-.01em;text-wrap:balance}
.h3{font:700 17px var(--display);margin:16px 0 8px}
.seen{display:inline-flex;color:var(--ok)}
.seen svg{width:18px;height:18px}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.qbtn{display:flex;flex-direction:column;gap:2px;padding:14px 12px;border-radius:12px;background:var(--accent);color:var(--accent-ink);text-decoration:none}
.qbtn b{font:800 24px/1 var(--display)}
.qbtn span{font-size:14px}
.qbtn:nth-child(2){background:var(--mark);color:var(--mark-ink)}
.qbtn:nth-child(3){background:var(--strong);color:var(--strong-ink)}
.btn.small{padding:7px 12px;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.btn svg,.spk svg{width:18px;height:18px}
a.btn{text-decoration:none;display:inline-block}
.spk{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);color:var(--accent);cursor:pointer;flex:none}
li.say{cursor:pointer}
li.say svg{width:15px;height:15px;vertical-align:-2px;color:var(--muted)}
.linkbtn{background:none;border:0;color:var(--accent);font:inherit;text-decoration:underline;cursor:pointer;padding:0}
.warn{background:var(--bad-bg);color:var(--bad);padding:10px 12px;border-radius:10px;font-size:15px}

/* plan */
.big-bar{height:10px}
/* plan: semana actual, tareas y columna lateral */
body:is([data-tab="inicio"],[data-tab="planes"]) .panel{background:none;border:0;padding:0;border-radius:0}
.plan{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start}
.pmain,.pside{display:flex;flex-direction:column;gap:24px;min-width:0}
.pside section{display:flex;flex-direction:column}
.whero{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,36px);display:flex;flex-direction:column;gap:20px}
.wtop{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.wtop .tag{margin-bottom:8px}
.wtitle{font:800 clamp(26px,4.4vw,40px)/1.05 var(--display);margin:0 0 10px;letter-spacing:-.02em;text-wrap:balance}
.wtop .sticky{flex:none;margin:0;max-width:200px;transform:rotate(2deg)}
.wprog{display:flex;flex-direction:column;gap:8px}
.big-bar{height:8px}
.wstrip{display:grid;grid-template-columns:repeat(10,1fr);gap:6px}
.wk{font:700 15px var(--display);height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:3px;padding:0}
.wk svg{width:14px;height:14px}
.wk.full{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.wk.now{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.wk[aria-current="true"]{outline:3px solid var(--accent);outline-offset:2px}
.wk.now[aria-current="true"]{outline:0}
.phead{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:14px}
.phead .h2{margin:0;font-size:24px}
.tasks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tasks li{display:flex;align-items:center;gap:14px;padding:0 0 0 20px}
.tasks li+li{border-top:1px solid var(--line)}
.tasks input{width:22px;height:22px;flex:none;accent-color:var(--accent);margin:0}
.tasks a,.tasks label{flex:1;min-width:0;display:flex;align-items:center;gap:12px;padding:14px 20px 14px 0;color:var(--ink);text-decoration:none;cursor:pointer}
.tasks a:hover{background:var(--surface-2)}
.tasks a>svg{width:18px;height:18px;flex:none;color:var(--muted)}
.tname{flex:1;min-width:0;font-weight:700;font-size:16px}
.tasks li.done .tname{color:var(--muted);text-decoration:line-through;font-weight:400}
.kind{flex:none;display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font:700 13px var(--body)}
.kind svg{width:14px;height:14px}
.k-g{background:var(--ta);color:var(--ta-ink)} .k-q{background:var(--accent-soft);color:var(--accent)} .k-c{background:var(--tc);color:var(--tc-ink)}
.k-t{background:var(--sticky);color:var(--sticky-ink)} .k-r{background:var(--surface-2);color:var(--muted)}
.pside .h2{font-size:20px}
.pside .h3{margin-top:0}
.qbtn{border-radius:14px;padding:16px 14px}
.qbtn b{font-size:26px}
.mcard{background:var(--bad-bg);border-radius:16px;padding:22px;gap:12px}
.mcard.clean{background:var(--ok-bg)}
.mhead{display:flex;justify-content:space-between;align-items:center}
.mhead :is(h2,h3){margin:0;font:800 20px var(--display);color:var(--bad)}
.mhead b{font:800 34px/1 var(--display);color:var(--bad)}
.mcard.clean :is(h2,h3),.mcard.clean svg{color:var(--ok)}
.mcard.clean svg{width:24px;height:24px}
.mcard p{margin:0;font-size:15px}
.btn.bad{background:var(--bad);border-color:var(--bad);color:var(--surface);align-self:flex-start;display:inline-flex;align-items:center;gap:8px}
@media (max-width:1000px){
  .plan{grid-template-columns:1fr;gap:20px}
  /* en móvil y tableta: lo rápido justo debajo de la semana */
  .pmain,.pside{display:contents}
  .plan{grid-template-columns:minmax(0,1fr)}
  .plan section{min-width:0}
  .plan .minis{margin-inline:-10px;padding-inline:10px}
  .whero{order:1} .pside>section:first-child{order:2} .ptasks{order:3} .pside>section:nth-child(2){order:4} .mcard{order:5} .pmain>.xmp{order:7} .backup{order:8}
}
@media (max-width:560px){
  .wtop{flex-direction:column;gap:14px}
  .wtop .sticky{font-size:20px;transform:rotate(-1.5deg)}
  .wstrip{gap:4px}
  .wk{height:36px;font-size:13px;border-radius:8px}
  .wk svg{display:none}
  .tasks li{padding-left:14px;gap:12px}
  .tasks a,.tasks label{padding:12px 14px 12px 0;gap:10px}
  .tname{font-size:15px}
  .kind{padding:5px;font-size:0;gap:0}
  .kind svg{width:15px;height:15px}
  .tasks a>svg{display:none}
  .phead .h2{font-size:20px}
}

/* flashcards v2 */
.fchead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px}
.fchead .h2{margin:0}
.seg{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.seg button{font:700 13.5px var(--body);border:0;border-radius:7px;background:none;color:var(--muted);padding:6px 12px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.card{position:relative;user-select:none;touch-action:pan-y}
.card .spk{position:absolute;top:10px;right:10px}
.card .pv.es-front{color:var(--accent)}
.mtexts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px}
.mtext{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;font-size:15.5px}
.mtext p{margin:0}
.mletter{flex:none;display:inline-grid;place-items:center;width:26px;height:26px;border-radius:6px;background:var(--ink);color:var(--bg);font:700 14px var(--body)}
.xtext.notes p{margin:0 0 6px}
.speak .chips{display:flex;flex-wrap:wrap;gap:6px}
.speak .chips span{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:3px 10px;font-size:14.5px;cursor:pointer}
.timer{display:flex;flex-direction:column;gap:8px}
.cls{display:flex;flex-direction:column;gap:8px}
.clrow{display:flex;flex-direction:column;gap:8px;padding:12px 14px;border:1px solid var(--line);border-radius:12px}
.clrow.ok{border-color:var(--ok);background:var(--ok-bg)}
.clrow.bad{border-color:var(--bad);background:var(--bad-bg)}
.clw{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:19px}
.clw .spk{width:34px;height:34px}
.clbtns{display:flex;flex-wrap:wrap;gap:6px}
.clb{font:inherit;font-size:14px;padding:6px 12px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.clb[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.clb.ok{border-color:var(--ok);color:var(--ok);background:var(--ok-bg)}
.clb.bad{border-color:var(--bad);color:var(--bad);background:var(--bad-bg)}
.clrow .why{margin:0}
.fcopts{display:flex;flex-wrap:wrap;gap:8px}
.card .pv.long{font-size:clamp(22px,5vw,30px);line-height:1.3;text-wrap:balance}
.minis{display:flex;flex-wrap:wrap;gap:8px}
.mini{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-size:15px;font-weight:700}
.mini svg{width:16px;height:16px;color:var(--accent)}
.mini:hover{border-color:var(--accent)}
.modes3{align-self:flex-start}
.modes3 button{padding:7px 16px;font-size:14.5px}
.card.static{cursor:default;min-height:150px}
.score{align-self:flex-start;font-variant-numeric:tabular-nums}

/* sprint */
.sprint-top{display:flex;justify-content:space-between;align-items:center}
.sprint-top span{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.sprint-top svg{width:18px;height:18px;color:var(--accent)}
.clock{font:800 34px/1 var(--display);font-variant-numeric:tabular-nums}
.clock.small{font-size:18px;color:var(--muted)}

/* exams */
.exam{display:flex;flex-direction:column;gap:22px}
.xhead{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.xpart{display:flex;flex-direction:column;gap:12px;border-top:2px solid var(--line);padding-top:16px}
.xpart .h3{margin:0}
.xtext{background:var(--surface-2);border-radius:12px;padding:14px 16px;font-size:16.5px}
.xtext p{margin:0 0 10px} .xtext p:last-child{margin:0}
.xtext h4{font:700 18px var(--display);margin:0 0 8px}
.notice{background:var(--surface);border:1.5px dashed var(--line);border-radius:10px;padding:12px 14px;margin:0 0 8px}
.note-tag{display:inline-block;background:var(--sticky);color:var(--sticky-ink);font:600 18px/1.1 var(--hand);padding:1px 8px;transform:rotate(-2deg)}
.gap{display:inline-grid;place-items:center;min-width:44px;height:24px;border-bottom:2px solid var(--ink);font:700 13px var(--body);color:var(--muted);vertical-align:baseline}
.sents{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:15.5px}
.sents b{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;background:var(--ink);color:var(--bg);font-size:13px;margin-right:6px}
.xq{position:relative;display:flex;flex-direction:column;gap:8px;padding:12px 14px 12px 46px;border-radius:12px;border:1px solid var(--line)}
.xq.inline{padding-left:14px}
.xq.ok{border-color:var(--ok);background:var(--ok-bg)}
.xq.bad{border-color:var(--bad);background:var(--bad-bg)}
.qn{position:absolute;left:12px;top:12px;margin:0;width:24px;height:24px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font:700 13px var(--body)}
.qq{margin:0;font-weight:700}
.xopts{display:flex;flex-wrap:wrap;gap:8px}
.xopt{font:inherit;font-size:15.5px;text-align:left;display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--line);color:var(--ink);border-radius:10px;padding:9px 12px;cursor:pointer;flex:1 1 100%}
.xq.inline .xopt,.xopts.compact .xopt{flex:0 0 auto;min-width:52px;justify-content:center}
.xopts.compact .xopt kbd{display:inline}
.xopt kbd{font:700 12px var(--body);color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.xopt[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.xopt.ok{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}
.xopt.bad{border-color:var(--bad);background:var(--bad-bg);color:var(--bad)}
.xin{font:inherit;font-size:17px;padding:8px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);max-width:220px}
.why{margin:0;font-size:15px}
.play{align-self:flex-start}
.play span{color:var(--muted);font-weight:400}
.script{font-size:14.5px;color:var(--muted)}
.script summary{cursor:pointer}
.script p{margin:4px 0}
.wtext{font:inherit;font-size:16px;line-height:1.5;width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);resize:vertical}
.wcount{margin:0;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.wcount.good{color:var(--ok)} .wcount.warn{color:var(--bad)}
.checks{display:flex;flex-direction:column;gap:8px;background:var(--surface-2);border-radius:12px;padding:14px}
.checks label{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.checks input{width:20px;height:20px;flex:none;accent-color:var(--accent)}
.model{background:var(--surface);border-radius:10px;padding:10px 14px}
.model summary{cursor:pointer;font-weight:700}
.model p{margin:8px 0 0}
.result{display:flex;flex-direction:column;gap:8px;align-items:flex-start;background:var(--accent-soft);border-radius:14px;padding:18px}
.result p{margin:0}
@media (hover:none){ .opt kbd,.xopt kbd:not(:only-child){display:none} .xq.inline .xopt kbd{display:inline} }
@media (max-width:480px){ .quick{grid-template-columns:repeat(3,1fr)} .qbtn{padding:12px 10px} .qbtn b{font-size:20px} .panel{border-radius:12px} }
@media (max-width:480px){ .xq{padding-left:42px} .qn{left:10px} .xtext{padding:12px 14px} }

/* completa la tabla */
.ctable{display:flex;flex-direction:column;gap:6px}
.crow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;align-items:start}
.chead span{font:700 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cgiven{padding:9px 0;font-size:17px}
.ccell{display:flex;flex-direction:column;gap:2px}
.ccell .xin{width:100%;max-width:none}
.fix{color:var(--ok);font-weight:700;font-size:14px}
.crule{grid-column:1/-1;color:var(--muted);font-size:13.5px}
@media (max-width:560px){
  .chead{display:none}
  .crow{grid-template-columns:1fr;gap:6px;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
  .cgiven::before,.ccell::before{content:attr(data-label);display:block;font:700 11.5px var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .cgiven{padding:0}
}
.xin.ok{border-color:var(--ok);background:var(--ok-bg)}
.xin.bad{border-color:var(--bad);background:var(--bad-bg);text-decoration:line-through}

/* ---------- móvil: respuesta al tocar, índice de secciones y botones siempre a mano ---------- */
.opt,.xopt,.btn,.qbtn,.mini,.clb,.seg button,.spk,.card{transition:transform .12s,background-color .15s,border-color .15s}
.opt:active:not(:disabled),.xopt:active,.btn:active:not(:disabled),.qbtn:active,.mini:active,.clb:active,.spk:active{transform:scale(.97)}
.card:active{transform:scale(.99)}
.back{text-decoration:none}
@media (max-width:700px){
  .panel{border-radius:16px;padding:18px 14px}
  .back{min-height:44px;font:600 17px var(--display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .badge{background:var(--bad);color:#fff;box-shadow:0 0 0 2px var(--surface)}
  nav.tabs .badge{top:2px;right:calc(50% - 24px)}
  .fchead .seg button{white-space:nowrap;font-size:13.5px;padding-inline:8px}
  .h2{font-size:21px}
  /* los mini tests en una fila que se desliza, en vez de ocupar media pantalla */
  .minis{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-14px;padding:2px 14px 4px;scroll-padding-inline:14px}
  .minis::-webkit-scrollbar{display:none}
  .mini{flex:none;padding:9px 14px;font-size:14.5px}
  .quick{gap:6px}
  .qbtn{padding:12px 10px;min-height:84px;justify-content:space-between}
  .qbtn b{font-size:21px}
  .qbtn span{font-size:13.5px;line-height:1.3}
  .opt{padding:14px 16px;min-height:54px}
  .sentence{font-size:22px}
  .quiz{gap:16px}
  .feedback{scroll-margin-bottom:12px}
  .feedback .row{width:100%}
  .feedback #next{flex:1}
  .end .row .btn{flex:1 1 auto}
  /* tarjetas: controles en una sola fila deslizable y navegación fija sobre la barra inferior */
  .fc{gap:12px}
  .fchead .seg{width:100%}
  .fchead .seg button{flex:1}
  .fcopts{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-14px;padding-inline:14px}
  .fcopts::-webkit-scrollbar{display:none}
  .fcopts .seg{flex:none}
  .seg button{padding:8px 13px;font-size:14px}
  .fcnav,.gradebar:not(:has(:disabled)){position:sticky;bottom:calc(var(--navh) + 8px);z-index:5;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    margin-inline:-8px;padding:8px;border-radius:14px;box-shadow:0 6px 22px -10px rgba(0,0,0,.35);border:1px solid var(--line)}
  .gradebar .btn{flex:1}
  .ghead{gap:12px}
  .sticky{font-size:20px;padding:10px 14px}
  .guide{gap:22px}
}
@media (max-width:700px) and (max-height:700px){ .card{min-height:180px} }

/* ---------- tema, accesibilidad y avisos ---------- */
.themebtn{display:inline-grid;place-items:center;width:34px;height:34px;flex:none;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;padding:0}
.themebtn svg{width:18px;height:18px}
.themebtn:active{transform:scale(.92)}
.stats{align-items:center}
.skip{position:absolute;left:12px;top:-100px;z-index:50;background:var(--ink);color:var(--bg);font:700 16px var(--body);padding:10px 16px;border-radius:10px;text-decoration:none}
.skip:focus{top:calc(12px + env(safe-area-inset-top,0px))}
.noscript{margin:0 0 16px;background:var(--bad-bg);color:var(--bad);padding:12px 16px;border-radius:10px;font-weight:700}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:30;display:flex;align-items:center;gap:12px;width:max-content;max-width:calc(100% - 24px);
  background:var(--ink);color:var(--bg);padding:10px 12px 10px 16px;border-radius:12px;box-shadow:0 10px 30px -10px rgba(0,0,0,.5);font-size:15px}
.toast[hidden]{display:none}
.toast .btn{flex:none}
.backup .row{margin-top:4px}
@media (max-width:700px){
  .toast{bottom:calc(var(--navh) + 12px)}
  .themebtn{width:32px;height:32px}
}
@media (forced-colors: active){
  .opt,.xopt,.btn,.chip,.mini,.card,.seg,.clb,.themebtn,.panel,.week,.toast{border:1px solid ButtonText}
  .opt.ok,.xopt.ok,.clb.ok{border:3px solid Highlight}
  .opt.bad,.xopt.bad,.clb.bad{border:3px dashed ButtonText}
  .bar i{background:Highlight}
  nav.tabs a[aria-current="page"]{outline:2px solid Highlight}
  .seg button[aria-pressed="true"],.xopt[aria-pressed="true"]{background:Highlight;color:HighlightText}
  :where(button,input,select,textarea,a,summary,[tabindex]):focus-visible{outline:3px solid Highlight}
}
@media print{
  nav.tabs,.stats,.toast,.foot,.skip,#back,.backup,.fcnav,.gradebar,.spk{display:none!important}
  body{background:#fff;color:#000;padding:0}
  header{position:static!important;background:none!important;backdrop-filter:none!important}
  .panel{border:0;padding:0}
  a{color:inherit}
}

/* test y tarjetas en el móvil: opciones apiladas y botón principal abajo, al alcance del pulgar */
@media (max-width:700px){
  .opts{grid-template-columns:1fr;gap:8px}
  .opt{padding:14px 16px;font-size:18px}
  .feedback .row{width:100%}
  .feedback #next{flex:1;padding:14px 18px;font-size:17px}
}

/* tarjetas: mazo apilado, progreso y «me la sé» */
.card{border-radius:20px;background:var(--surface);gap:14px}
.card.stack{min-height:300px;margin-bottom:22px;box-shadow:0 11px 0 -5px var(--surface),0 11px 0 -4px var(--line),0 22px 0 -11px var(--surface-2),0 22px 0 -10px var(--line)}
.card .es{font-size:24px}
.fcprog{display:flex;flex-direction:column;align-items:center;gap:6px}
.fcprog .count{font-weight:700;color:var(--ink)}
.dots{display:flex;gap:4px}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--line)}
.dots i.past{background:var(--accent)}
.dots i.cur{background:var(--ink)}
.fcprog .bar{width:120px}
.rate{display:flex;gap:10px}
.rate .btn,.fcnav .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.nope{background:var(--bad-bg);border-color:var(--bad-bg);color:var(--bad)}
@media (max-width:700px){
  .card.stack{min-height:280px}
  .fcnav{display:grid;grid-template-columns:auto 1fr;row-gap:12px}
  .fcnav .fcprog{align-items:flex-end}
  .fcnav>.btn.primary,.rate{grid-column:1/-1}
  .fcnav>.btn.primary,.rate .btn{flex:1;padding:14px 12px;font-size:16px}
}
.tasks li{min-height:48px}
.tasks label::after{content:"";width:18px;flex:none}
@media (max-width:560px){.tasks label::after{display:none}}

/* ---------- guías: índice por niveles y guía con índice lateral ---------- */
body[data-tab="guias"] .wrap{max-width:1180px}
body[data-tab="guias"] .panel{background:none;border:0;padding:0;border-radius:0}
.lv-a1{--lv:var(--ta);--lv-ink:var(--ta-ink)} .lv-a2{--lv:var(--accent-soft);--lv-ink:var(--accent)} .lv-b1{--lv:var(--tc);--lv-ink:var(--tc-ink)}
.lv-voc{--lv:var(--sticky);--lv-ink:var(--sticky-ink)} .lv-ex{--lv:var(--surface-2);--lv-ink:var(--ink)}
.lvtag{display:inline-block;background:var(--lv);color:var(--lv-ink);font:800 13px/1 var(--display);letter-spacing:0;text-transform:none;padding:5px 9px;border-radius:7px;vertical-align:1px}
.lv-ex .lvtag,.lvtag.lv-ex{box-shadow:inset 0 0 0 1px var(--line)}
i.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--lv-ink)}
.gindex{display:flex;flex-direction:column;gap:32px}
.gtop{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.gh1{font:800 clamp(32px,5vw,44px)/1 var(--display);letter-spacing:-.03em;margin:0 0 8px}
.gprog{flex:none;width:280px;display:flex;flex-direction:column;gap:8px}
.gprog .bar{height:8px;background:var(--surface)}
.gtools{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.gsearch{display:flex;align-items:center;gap:10px;flex:0 1 340px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 14px}
.gsearch svg{width:18px;height:18px;color:var(--muted);flex:none}
.gsearch input{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:15.5px;color:var(--ink);padding:11px 0;outline:0}
.gsearch:focus-within{outline:3px solid var(--focus);outline-offset:2px}
.glv{display:flex;gap:6px;flex-wrap:wrap}
.glv button{display:inline-flex;align-items:center;gap:7px;font:700 14px var(--body);padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.glv button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.gnext{display:flex;align-items:center;gap:32px;padding:clamp(20px,3vw,32px);border-radius:20px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none}
.gnext:hover{border-color:var(--accent)}
.gnext-t{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.gnext-t .tag{display:flex;align-items:center;gap:10px}
.gnext h2{font:800 clamp(24px,3.4vw,32px)/1.1 var(--display);letter-spacing:-.02em;margin:0}
.gnext-r{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:16px}
.gnext-r .sticky{margin:0;transform:rotate(-2deg)}
.gnext .btn{display:inline-flex;align-items:center;gap:8px}
.gnext .btn svg{width:18px;height:18px}
#glist{display:flex;flex-direction:column;gap:32px}
.gsect{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;border-top:1px solid var(--line);padding-top:28px}
.gsect-l{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.gsect-l h2{font:800 24px/1.1 var(--display);letter-spacing:-.01em;margin:0}
.gsect-l p{margin:0;color:var(--muted);font-size:15px}
.gsect-l b{font-size:14px;color:var(--lv-ink)}
.ggrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.gcard{position:relative;display:flex;flex-direction:column;gap:8px;min-height:132px;padding:18px 20px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none}
.gcard:hover{border-color:var(--lv-ink)}
.gcard.now{border:2px solid var(--accent);padding:17px 19px}
.gnum{font:700 14px var(--display);color:var(--lv-ink)}
.gtx{display:flex;flex-direction:column;gap:6px}
.gtx b{font:700 19px/1.15 var(--display)}
.gtx small{color:var(--muted);font-size:14px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gread,.gnow,.gchev{position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:4px;font:700 13px var(--body)}
.gread{color:var(--ok)} .gread svg{width:16px;height:16px}
.gnow{background:var(--mark);color:var(--mark-ink);border-radius:999px;padding:2px 9px;font-size:12px}
.gchev{display:none}
.gres{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:28px}
.gres-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.gres-h .h2{font-size:24px}
.rgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.rcard{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);text-decoration:none;font-size:14px}
.rcard:hover{border-color:var(--accent)}
.rcard small{font:700 11px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.rcard b{display:flex;align-items:center;gap:6px;color:var(--ink);font-size:15px}
.rcard b svg{width:14px;height:14px;color:var(--muted);flex:none}

/* guía */
.gwrap{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start}
.gtoc{position:sticky;top:24px;display:flex;flex-direction:column;gap:6px}
.gtoc .tag{color:var(--muted);margin-bottom:4px}
#gtoc{display:flex;flex-direction:column;gap:2px}
#gtoc a{display:block;padding:7px 12px;border-left:3px solid var(--line);color:var(--muted);text-decoration:none;font-size:15px;line-height:1.3}
#gtoc a:hover{color:var(--ink)}
#gtoc a.on{border-color:var(--accent);color:var(--ink);font-weight:700;background:var(--surface);border-radius:0 8px 8px 0}
.gtoc-p{margin-top:14px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;background:var(--accent-soft);border-radius:12px;padding:16px;font-size:14px}
.gtoc-p .btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;padding:9px 14px}
.gtoc-p .btn svg,.gend .btn svg{width:16px;height:16px}
.guide{gap:36px}
.guide .ghead{flex-wrap:nowrap;gap:32px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.gmeta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 12px!important;font-size:14px}
.guide .ghead :is(h1,h2){font-size:clamp(30px,4.6vw,48px);letter-spacing:-.025em}
.guide .ghead>div>p:last-child{font-size:18px;margin-top:12px}
.guide .ghead .sticky{flex:none;max-width:240px;transform:rotate(-2deg);font-size:24px;padding:16px 18px}
.gsec{scroll-margin-top:24px}
.gsec h3{display:flex;align-items:center;gap:12px;background:none;font:800 24px var(--display);letter-spacing:-.01em;margin:0 0 16px;padding:0}
.gsn{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--ink);color:var(--bg);font:800 14px var(--display)}
.gcols{gap:12px}
.gcell{border-radius:14px;padding:18px 20px;gap:10px;font-size:16px}
.gcell .cname{font-size:12px;letter-spacing:.08em}
.gcell ul{list-style:none;padding:0;gap:6px}
.gcell li{position:relative;padding-left:16px}
.gcell li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.45}
.gcell.a li::before{background:var(--ta-ink);opacity:1} .gcell.b li::before{background:var(--tb-ink);opacity:1} .gcell.c li::before{background:var(--tc-ink);opacity:1}
.gcell li.say{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--surface);border-radius:10px}
.gcell li.say::before{display:none}
.gcell li.say svg{order:-1;flex:none;width:28px;height:28px;padding:6px;border-radius:50%;background:var(--ta);color:var(--ta-ink)}
.gcell.b li.say svg{background:var(--tb);color:var(--tb-ink)} .gcell.c li.say svg{background:var(--tc);color:var(--tc-ink)}
.gcell .form{background:var(--surface);border-radius:8px;padding:7px 10px}
.gsec .gtable{border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:auto}
.gsec table th{background:var(--surface-2);padding:10px 16px}
.gsec table td{padding:12px 16px}
.gsec table tr:last-child td{border-bottom:0}
.gend{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--strong);color:var(--strong-ink);border-radius:18px;padding:28px}
.gend h3{font:800 24px var(--display);margin:0 0 4px}
.gend p{margin:0;opacity:.75;font-size:15px}
.gend .btn{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border-color:var(--surface);color:var(--ink)}
.gpn{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gpn a{display:flex;flex-direction:column;gap:2px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);text-decoration:none}
.gpn a:hover{border-color:var(--accent)}
.gpn small{display:inline-flex;align-items:center;gap:4px;color:var(--muted);font-size:13px}
.gpn small svg{width:14px;height:14px}
.gpn .gnextl{align-items:flex-end;text-align:right}
.gbar{display:none}
.guide .xmp svg{width:15px;height:15px;vertical-align:-2px}
/* páginas de guía (guias/*.html): desplazamiento suave hasta cada sección y sin altavoces si el móvil no tiene voz */
@media (prefers-reduced-motion: no-preference){ :root:has(body[data-guide]){scroll-behavior:smooth} }
.no-tts .spk,.no-tts li.say svg,.no-tts .guide>.xmp{display:none}
.no-tts li.say{cursor:default}
.gtoc.notoc .tag,.gtoc.notoc #gtoc{display:none}
@media (max-width:1000px){
  .gsect{grid-template-columns:1fr;gap:16px}
  .ggrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gwrap{grid-template-columns:minmax(0,1fr);gap:0}
  /* el índice de la guía pasa a una fila de secciones fija bajo la barra superior */
  .gtoc{position:sticky;top:0;z-index:4;margin:0 -16px 8px;padding:8px 16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .gtoc .tag,.gtoc-p{display:none}
  .gtoc.notoc{display:none}
  #gtoc{flex-direction:row;gap:6px;overflow-x:auto;scrollbar-width:none}
  #gtoc::-webkit-scrollbar{display:none}
  #gtoc a{flex:none;border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:6px 12px;font:700 13.5px var(--body);color:var(--ink);white-space:nowrap}
  #gtoc a.on{background:var(--ink);border-color:var(--ink);color:var(--bg);border-radius:999px}
}
@media (max-width:700px){
  body[data-tab="guias"] .gtoc{top:var(--toph);margin-inline:-10px;padding-inline:10px}
  .gtop{align-items:flex-end;gap:16px}
  .gtop .intro{display:none}
  .gprog{width:auto;flex:1;max-width:160px}
  .gindex{gap:18px}
  .gsearch{flex:1 1 100%}
  .glv{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-10px;padding-inline:10px}
  .glv::-webkit-scrollbar{display:none}
  .glv button{flex:none}
  .gnext{padding:18px;border:2px solid var(--accent)}
  .gnext-r{display:none}
  .gnext h2{font-size:22px}
  #glist{gap:22px}
  .gsect{border:0;padding:0;gap:10px}
  .gsect-l{flex-direction:row;align-items:center;flex-wrap:wrap;gap:8px}
  .gsect-l h2{font-size:19px;flex:1}
  .gsect-l p{display:none}
  .gsect-l b{font-size:13px}
  /* en el móvil las guías son una lista compacta */
  .ggrid{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .gcard{flex-direction:row;align-items:center;gap:12px;min-height:0;padding:12px 14px;border:0;border-radius:0}
  .gcard+.gcard{border-top:1px solid var(--line)}
  .gcard.now{border:0;padding:12px 14px;box-shadow:inset 3px 0 0 var(--accent)}
  .gcard.now+.gcard,.gcard+.gcard.now{border-top:1px solid var(--line)}
  .gnum{font-size:13px;flex:none;width:20px}
  .gtx{flex:1;min-width:0;gap:1px}
  .gtx b{font:700 15px/1.25 var(--body)}
  .gtx small{font-size:13px;-webkit-line-clamp:1}
  .gread,.gnow,.gchev{position:static;flex:none}
  .gread span{display:none} .gread svg{width:20px;height:20px}
  .gchev{display:inline-flex;color:var(--muted)} .gchev svg{width:18px;height:18px}
  .gnow{font-size:11px}
  .rgrid{grid-template-columns:1fr;gap:8px}
  /* guía */
  .guide{gap:26px}
  .guide .ghead{flex-direction:column;gap:14px;padding-bottom:20px}
  .guide .ghead :is(h1,h2){font-size:30px}
  .guide .ghead>div>p:last-child{font-size:16px}
  .guide .ghead .sticky{font-size:20px;padding:10px 14px;transform:rotate(-1.5deg)}
  .gsec{scroll-margin-top:calc(var(--toph) + 64px)}
  .gsec h3{font-size:21px;gap:10px;margin-bottom:12px}
  .gsn{width:26px;height:26px;font-size:13px;border-radius:7px}
  .gcols{grid-template-columns:1fr;gap:10px}
  .gcell{padding:16px}
  .gend,.gpn{display:none}
  .gbar{display:grid;grid-template-columns:48px 1fr 48px;gap:10px;position:sticky;bottom:0;z-index:5;margin:16px -10px 0;padding:12px 10px calc(12px + env(safe-area-inset-bottom,0px));background:var(--surface);border-top:1px solid var(--line)}
  .gbar .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 12px;border-radius:12px}
  .gbar .btn svg{width:18px;height:18px;flex:none}
  .gbar .btn span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  body[data-tab="guias"][data-focus] .foot{display:none}
}
@media print{ .gtoc,.gbar,.gpn,.gend{display:none!important} .gwrap{display:block} }

/* ==========================================================================
   Web de varias páginas: carcasa, estados sin JavaScript y páginas de menú
   ========================================================================== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* Sin JavaScript se ve todo el contenido fijo; se esconden los controles que no funcionarían */
html:not(.js) :is(.js-only,.stats,.whero:not(.hhero),.tasks-head){display:none!important}
.js .week>.phead,.js .week>.week-goal{display:none}
/* Tema: el botón enseña el icono del tema elegido */
.themebtn>span{display:none}
.themebtn>span svg{display:block}
:root:not([data-theme]) .themebtn .i-auto,:root[data-theme="light"] .themebtn .i-light,:root[data-theme="dark"] .themebtn .i-dark{display:grid}
/* Sin voz en el dispositivo: fuera altavoces, dentro el aviso y las transcripciones */
.tts-off{display:none}
.no-tts .tts-off{display:block}
.no-tts .tts-on{display:none!important}
/* Opciones de los tests: icono de acierto o fallo al corregir */
.opt .i-ok,.opt .i-ko{display:none;margin-left:auto;flex:none}
.opt .i-ok svg,.opt .i-ko svg{width:20px;height:20px;display:block}
.opt.ok .i-ok,.opt.bad .i-ko{display:block}
/* Páginas de menú (sin data-focus): ancho completo, sin caja alrededor */
body:not([data-focus]) .wrap,body[data-tab="guias"] .wrap{max-width:1180px}
body:not([data-focus]) .panel,body[data-tab="guias"] .panel{background:none;border:0;padding:0;border-radius:0}
.panel{box-shadow:var(--shadow)}
body:not([data-focus]) .panel,body[data-tab="guias"] .panel{box-shadow:none}

/* Plan */
.wk{text-decoration:none}
.wk svg{display:none}
.wk.full svg{display:block}
.week{display:flex;flex-direction:column;gap:10px}
.week+.week{margin-top:28px}
.pstart{max-width:640px;display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,32px);box-shadow:var(--shadow)}
.pstart p{margin:0}
.pstart-form{display:flex;flex-direction:column;gap:8px}
.backup{display:flex;flex-direction:column;gap:8px}
.backup .h2{margin:0}
.whero,.gnext,.mhero{box-shadow:var(--shadow)}

/* Practicar y Tarjetas: cabecera y accesos rápidos */
.pindex,.tindex{display:flex;flex-direction:column;gap:28px}
.ptop .intro{max-width:70ch}
.quick.big{gap:16px}
.quick.big .qbtn{padding:20px 22px;border-radius:16px;gap:4px;min-height:0}
.quick.big .qbtn b{font-size:34px}
.quick.big .qbtn span{font-weight:700;font-size:16px}
.qbtn small{font-size:14px;opacity:.85}
.minis-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.minis-row>span{font-weight:700;font-size:15px;color:var(--muted)}
.pcols{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start}
.jumpnav{position:sticky;top:24px;display:flex;flex-direction:column;gap:2px}
.jumpnav .tag{color:var(--muted);margin-bottom:6px}
.jumpnav a{display:block;padding:7px 12px;border-left:3px solid var(--line);color:var(--muted);text-decoration:none;font-size:15px;line-height:1.3}
.jumpnav a:hover{color:var(--ink);border-color:var(--accent)}
.psecs{display:flex;flex-direction:column;gap:40px}
.psec{display:flex;flex-direction:column;gap:14px;scroll-margin-top:24px}
.psec .phead{margin:0}
.phead .count{white-space:nowrap}
.psec .phead .h2{font-size:24px}
.psec .xmp{margin:-6px 0 0}
.psec .h3{margin:6px 0 -4px}
/* Ejercicios */
.xgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.xcard{display:flex;flex-direction:column;gap:6px;min-height:118px;padding:16px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .12s}
.xcard:hover{border-color:var(--accent)}
.xtop{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:2px}
.xcard b{font:700 17px/1.2 var(--display)}
.xcard small{color:var(--muted);font-size:13.5px;line-height:1.4}
.xdone{display:inline-flex;align-items:center;gap:4px;color:var(--ok);font:700 13px var(--body)}
.xdone svg{width:16px;height:16px}
.xbest{align-self:flex-start;margin-top:auto;background:var(--mark);color:var(--mark-ink);font:700 12px var(--body);border-radius:999px;padding:3px 9px}
.xexams{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.xexam{display:flex;flex-direction:column;gap:6px;min-height:168px;padding:20px;border-radius:16px;background:var(--strong);color:var(--strong-ink);text-decoration:none;transition:transform .12s}
.xexam:hover{transform:translateY(-2px)}
.xexam svg{width:24px;height:24px;color:var(--strong-ink);opacity:.8}
.xexam b{font:800 20px/1.15 var(--display)}
.xexam small{font-size:13px;opacity:.72;line-height:1.35}
.xgo{margin-top:auto;color:var(--strong-ink);text-decoration:underline;text-underline-offset:3px;font:700 13px var(--body)}
/* Mazos de tarjetas: tarjetas apiladas */
.modes-info{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.modes-info li{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.45}
.modes-info b{display:block;font:800 17px var(--display);color:var(--ink);margin-bottom:2px}
.mi{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--surface);border:1px solid var(--line);color:var(--accent)}
.mi svg{width:18px;height:18px}
.dgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 26px;padding:0 12px 12px 0}
.deck{display:flex;flex-direction:column;justify-content:space-between;gap:8px;min-height:136px;padding:16px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;
  box-shadow:6px 6px 0 -1px var(--surface),6px 6px 0 0 var(--line),12px 12px 0 -1px var(--surface-2),12px 12px 0 0 var(--line);transition:transform .12s}
.deck:hover{transform:translate(-2px,-2px)}
.deck-top{display:flex;justify-content:space-between;align-items:center}
.deck-accent{width:28px;height:5px;border-radius:3px;background:var(--lv-ink,var(--accent))}
.deck .seen{color:var(--ok)}
.deck .seen svg{width:18px;height:18px}
.deck b{font:700 18px/1.15 var(--display)}
.deck-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;font:700 13px var(--body);color:var(--muted)}
.deck-tag{background:var(--surface-2);border-radius:999px;padding:2px 8px;font-size:11px}

/* Fallos */
body[data-tab="fallos"] main{display:flex;flex-direction:column;gap:24px}
.mhero{display:flex;align-items:center;gap:32px;padding:32px;border-radius:20px;background:var(--bad-bg)}
.mbig{margin:0;display:flex;flex-direction:column;align-items:center;min-width:110px;color:var(--bad)}
.mbig b{font:800 72px/1 var(--display)}
.mbig span{font:700 15px var(--body)}
.mhero-t{flex:1;min-width:0}
.mhero-t h1{font:800 36px/1.1 var(--display);letter-spacing:-.02em;margin:0 0 8px}
.mhero-t p{margin:0}
.mhero-a{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.mhero-a .linkbtn{color:var(--bad);font-weight:700}
.mhero-a .btn{display:inline-flex;align-items:center;gap:8px}
.mhero-a .btn svg{width:18px;height:18px}
.mlist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.mitem{display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}
.mtop{display:flex;justify-content:space-between;align-items:center;gap:8px}
.msec{font:700 11px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.mtimes{background:var(--bad-bg);color:var(--bad);font:700 12px var(--body);border-radius:999px;padding:2px 8px}
.msent{margin:0;font:600 19px/1.4 var(--display)}
.mnote{margin:0;color:var(--muted);font-size:14px}

/* Speaking: sin JavaScript se ven todas las preguntas */
.sp-items{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px}
.sp-item{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.sp-item .sentence{margin:0}

@media (max-width:1000px){
  .pcols{grid-template-columns:minmax(0,1fr);gap:16px}
  .jumpnav{position:static;flex-direction:row;overflow-x:auto;scrollbar-width:none;gap:6px}
  .jumpnav::-webkit-scrollbar{display:none}
  .jumpnav .tag{display:none}
  .jumpnav a{flex:none;border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:7px 13px;font:700 13.5px var(--body);color:var(--ink);white-space:nowrap}
  .xgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .xexams{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dgrid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:700px){
  .pindex,.tindex{gap:18px}
  .ptop .intro{display:none}
  .quick.big{gap:8px}
  .quick.big .qbtn{padding:12px;border-radius:12px}
  .quick.big .qbtn b{font-size:21px}
  .quick.big .qbtn span{font-size:13px;font-weight:400}
  .quick.big .qbtn small{display:none}
  .minis-row>span{display:none}
  .minis-row{display:block}
  .minis-row .minis,.plan .minis{margin-inline:-10px;padding-inline:10px}
  .jumpnav{margin-inline:-10px;padding-inline:10px}
  .psecs{gap:26px}
  .psec{gap:10px}
  .psec .phead .h2{font-size:19px}
  .psec .xmp{font-size:13.5px}
  /* Ejercicios: lista compacta */
  .xgrid{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .xcard{display:grid;grid-template-columns:32px minmax(0,1fr) auto;column-gap:12px;row-gap:1px;align-items:center;min-height:0;padding:12px 14px;border:0;border-radius:0}
  .xcard+.xcard{border-top:1px solid var(--line)}
  .xtop{display:contents}
  .xcard .kind{grid-row:1/3;grid-column:1;width:32px;height:32px;padding:0;justify-content:center;border-radius:9px;font-size:0;gap:0}
  .xcard .kind svg{width:16px;height:16px}
  .xcard b{grid-column:2;font:700 15px/1.25 var(--body)}
  .xcard small{grid-column:2;font-size:13px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
  .xdone{grid-row:1/3;grid-column:3;font-size:0;gap:0}
  .xdone svg{width:20px;height:20px}
  .xbest{grid-column:2;margin-top:4px}
  .xexams{gap:8px}
  .xexam{min-height:0;padding:14px;border-radius:14px}
  .xexam b{font-size:17px}
  .xexam small{display:none}
  /* Tarjetas */
  .modes-info{gap:6px}
  .modes-info li{flex-direction:row;justify-content:center;align-items:center;gap:6px;padding:9px 6px;border-radius:10px;background:var(--surface);font-size:0}
  .modes-info b{font:700 13px var(--body);margin:0}
  .mi{width:auto;height:auto;border:0;background:none}
  .mi svg{width:15px;height:15px}
  .dgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 14px;padding:0 6px 6px 0}
  .deck{min-height:104px;padding:14px;box-shadow:3px 4px 0 -1px var(--surface),3px 4px 0 0 var(--line),6px 8px 0 -1px var(--surface-2),6px 8px 0 0 var(--line)}
  .deck b{font-size:15px}
  .deck-tag{display:none}
  /* Fallos */
  .mhero{display:grid;grid-template-columns:1fr auto;gap:12px;padding:18px;border-radius:16px}
  .mbig{grid-column:2;grid-row:1;min-width:0}
  .mbig b{font-size:40px}
  .mbig span{display:none}
  .mhero-t{grid-column:1;grid-row:1}
  .mhero-t h1{font-size:28px;margin-bottom:4px}
  .mhero-t p{font-size:14px}
  .mhero-a{grid-column:1/-1;align-items:stretch}
  .mhero-a .btn{align-self:stretch;justify-content:center;padding:13px 16px}
  .mhero-a .linkbtn{align-self:flex-start}
  .mlist{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .mitem{padding:12px 14px;border:0;border-radius:0;gap:6px}
  .mitem+.mitem{border-top:1px solid var(--line)}
  .msent{font:700 16px/1.4 var(--body)}
  .mnote{font-size:13px}
}

/* Tarjetas: mezcla de temas */
.mixcta{display:flex;align-items:center;gap:16px;padding:18px 22px;border-radius:16px;background:var(--accent-soft);border:1px solid transparent;color:var(--ink);text-decoration:none}
.mixcta:hover{border-color:var(--accent)}
.mixcta .mi{background:var(--surface);border-color:transparent}
.mixcta-t{flex:1;display:flex;flex-direction:column;gap:2px}
.mixcta-t b{font:800 20px var(--display)}
.mixcta-t small{color:var(--muted);font-size:14.5px}
.mixcta .btn{display:inline-flex;align-items:center;gap:8px;flex:none}
.mixcta .btn svg{width:18px;height:18px}
.mixform{display:flex;flex-direction:column;gap:22px}
.mixgroup{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.mixgroup legend{display:flex;justify-content:space-between;align-items:baseline;gap:12px;width:100%;padding:0;margin-bottom:10px;font:800 20px var(--display)}
.mixgroup legend .linkbtn{font:700 14px var(--body)}
.mixgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.mixitem{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);cursor:pointer}
.mixitem:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.mixitem input{width:20px;height:20px;flex:none;accent-color:var(--accent);margin:0}
.mixitem span{display:flex;flex-direction:column;min-width:0}
.mixitem b{font-size:15px;line-height:1.25}
.mixitem small{color:var(--muted);font-size:13px}
.mixbar{position:sticky;bottom:12px;z-index:5;display:flex;align-items:center;gap:12px;padding:12px 14px 12px 20px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.mixbar p{flex:1;margin:0;color:var(--muted)}
.mixbar p b{color:var(--ink)}
.mixbar .btn.primary{display:inline-flex;align-items:center;gap:8px}
.mixbar .btn svg{width:18px;height:18px}
@media (max-width:700px){
  .mixcta{flex-wrap:wrap;padding:16px}
  .mixcta .btn{width:100%;justify-content:center}
  .mixgrid{grid-template-columns:1fr 1fr;gap:6px}
  .mixitem{padding:10px;gap:8px}
  .mixitem b{font-size:14px}
  .mixgroup legend{font-size:17px}
  .mixbar{bottom:calc(var(--navh) + 8px);flex-wrap:wrap;padding:10px 12px}
  .mixbar p{flex-basis:100%;font-size:14px}
  .mixbar .btn{flex:1;justify-content:center}
}

/* Simulacro de Speaking */
.mock{display:flex;flex-direction:column;gap:20px}
.msetup{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.msetup p{margin:0}
.mmode{border:0;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.mmode legend{font-weight:700;margin-bottom:8px;padding:0}
.mmode label,.mrec{display:flex;gap:10px;align-items:flex-start;padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;font-size:14.5px;color:var(--muted)}
.mmode label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.mmode b,.mrec b{display:block;color:var(--ink);font-size:16px}
.mmode input,.mrec input{width:20px;height:20px;flex:none;accent-color:var(--accent);margin:2px 0 0}
.mrun{display:flex;flex-direction:column;gap:14px}
.mparts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.mparts li{text-align:center;padding:7px 4px;border-radius:9px;background:var(--surface-2);color:var(--muted);font:700 13.5px var(--body)}
.mparts li.on{background:var(--ink);color:var(--bg)}
.mtimer{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:6px 14px}
.mtimer .clock{font-size:30px;min-width:2.4ch}
.mtimer .bar{height:8px}
.mstate{grid-column:1/-1;margin:0;font-weight:700;color:var(--accent)}
.msteps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px}
.mstep{display:flex;flex-direction:column;gap:14px}
html:not(.js) .mstep+.mstep{border-top:1px solid var(--line);padding-top:22px}
.mrole{margin:0;font:700 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.mquestion{margin:0;font:600 clamp(20px,3.2vw,25px)/1.4 var(--display);text-wrap:pretty}
.mphoto{margin:0;display:flex;flex-direction:column;gap:6px}
.mphoto img{width:100%;height:auto;border-radius:14px;display:block;background:var(--surface-2)}
.mphoto figcaption{font-size:12.5px;color:var(--muted)}
.mitems{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.mitems li{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);font-weight:700;font-size:15px;text-align:center}
.mitems svg{width:34px;height:34px;color:var(--accent)}
.mpartner{display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding:14px;border-radius:12px;background:var(--ta);color:var(--ta-ink)}
.mpartner-line{margin:0;font-weight:700}
.mpartner-line:empty{display:none}
.mpartner .btn{display:inline-flex;align-items:center;gap:6px}
.mhelp{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.mhelp summary{cursor:pointer;font-weight:700;color:var(--accent)}
.mhelp p{margin:10px 0 0}
.msay{margin:10px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.msay li[data-say]{cursor:pointer}
.msay li[data-say]:hover{color:var(--accent)}
.mnav{position:sticky;bottom:12px;z-index:4;background:var(--surface);padding:10px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
.mnav .btn{display:inline-flex;align-items:center;gap:6px}
.mnav .btn svg{width:16px;height:16px}
.mnav #next{margin-left:auto}
.mend{display:flex;flex-direction:column;gap:12px}
.mend .h2{margin:0}
.mrecs{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:10px}
.mrecs li{display:flex;flex-direction:column;gap:6px;font-size:15px}
.mrecs audio{width:100%;max-width:420px}
@media (max-width:700px){
  .mmode{grid-template-columns:1fr}
  .mitems{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .mitems li{padding:12px 6px;font-size:14px}
  .mnav{bottom:8px;flex-wrap:nowrap}
  .mnav #repeat{font-size:0;gap:0;padding:10px 12px}
  .mnav #repeat svg{width:18px;height:18px}
  .mnav .btn{padding:11px 12px}
}
.mquestion.long{font:500 clamp(17px,2.4vw,20px)/1.5 var(--body)}
.sp-photo{gap:14px}
.sp-photo .mphoto{width:100%}
.sp-photo .mhelp{width:100%}
/* Las fotos verticales no pasan del 70 % de la pantalla */
.mphoto img{width:auto;max-width:100%;max-height:70vh;margin-inline:auto;object-fit:contain}

/* Menú de tema y colores (popover nativo) */
.thememenu{position:fixed;inset:auto;top:calc(64px + env(safe-area-inset-top,0px));right:max(16px,calc((100vw - 1180px)/2 + 16px));margin:0;width:260px;padding:16px;border-radius:16px;border:1px solid var(--line);background:var(--surface);color:var(--ink);box-shadow:0 12px 40px -12px rgba(0,0,0,.35)}
.thememenu:not([hidden]):not([popover]),.thememenu:popover-open{display:flex;flex-direction:column;gap:8px}
.tm-title{margin:4px 0 0;font:700 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tm-modes{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;border-radius:10px;background:var(--surface-2)}
.tm-modes label{position:relative;text-align:center;padding:7px 4px;border-radius:7px;font:700 13px var(--body);color:var(--muted);cursor:pointer}
.tm-modes label:has(input:checked){background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.tm-modes input,.tm-pals input{position:absolute;opacity:0;pointer-events:none}
.tm-pals{display:flex;flex-direction:column;gap:2px}
.tm-pals label{position:relative;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;font-size:15px;cursor:pointer}
.tm-pals label:hover{background:var(--surface-2)}
.tm-pals label:has(input:checked){background:var(--accent-soft);font-weight:700}
.tm-pals label:has(input:focus-visible),.tm-modes label:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:1px}
.tm-sw{flex:none;width:34px;height:20px;border-radius:999px;background:linear-gradient(90deg,var(--sw1) 0 40%,var(--sw2) 40% 70%,var(--sw3) 70%);box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
@media (max-width:700px){ .thememenu{top:calc(var(--toph) + 4px + env(safe-area-inset-top,0px));right:10px;width:min(280px,calc(100vw - 20px))} }

/* ---------- planes: catálogo, tarjetas y ficha ---------- */
.plgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.plcard{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:16px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .12s}
.plcard:hover{border-color:var(--accent)}
.plcard:active{transform:scale(.99)}
.plcard.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.plcard b{font:800 19px/1.15 var(--display);letter-spacing:-.01em}
.plcard small{color:var(--muted);font-size:14px;line-height:1.45;flex:1}
.pltop{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.pltop .lvtag{--lv:var(--accent-soft);--lv-ink:var(--accent)}
.plstate{font:700 13px var(--body);color:var(--accent)}
.plmeta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:13px;color:var(--muted)}
.plmeta span+span::before{content:"·";margin-right:12px}
.plcard .bar{height:6px}
.plfacts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.plfacts li{display:flex;flex-direction:column-reverse;gap:2px;background:var(--surface-2);border-radius:10px;padding:10px 12px}
.plfacts b{font:700 15px/1.2 var(--display)}
.plfacts span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.pside .pstart{max-width:none}
.plmini{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.plmini a{display:flex;flex-direction:column;gap:1px;padding:10px 14px;color:var(--ink);text-decoration:none}
.plmini a+a{border-top:1px solid var(--line)}
.plmini a:hover{background:var(--surface-2)}
.plmini b{font:700 15px/1.25 var(--body)}
.plmini small{font-size:13px;color:var(--muted)}
@media (max-width:900px){ .plgrid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:700px){
  .plgrid{grid-template-columns:minmax(0,1fr);gap:10px}
  .plcard{padding:14px 16px}
  .plcard b{font-size:17px}
  .plfacts b{font-size:14px}
  nav.tabs a{font-size:11px;padding:6px 0}
}

/* ---------- inicio: bienvenida, tus planes y accesos ---------- */
.hhero{gap:12px}
.hhero .wtitle{margin:0}
.hhero .intro{max-width:62ch}
.hhero .row{margin-top:6px}
.hplans,.hexplore{display:flex;flex-direction:column;gap:12px}
.hplans .phead{margin:0}
.hplans .phead a{color:var(--accent);font-weight:700;text-decoration:none}
.hplan-list{display:flex;flex-direction:column;gap:14px}
.hplan{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.hplan-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;color:var(--ink);text-decoration:none}
.hplan-txt{display:flex;flex-direction:column;gap:3px;min-width:0}
.hplan-txt b{font:800 21px/1.15 var(--display);letter-spacing:-.01em}
.hplan-txt small{color:var(--muted);font-size:14.5px}
.hplan-top:hover b{color:var(--accent)}
.hplan-pct{font:800 22px/1 var(--display);color:var(--accent);font-variant-numeric:tabular-nums}
.hplan .bar{height:8px}
.hplan-next{margin:2px 0 0;font-size:14px;color:var(--muted);font-weight:700}
.hplan .tasks{border-radius:12px}
.hnone{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px}
.hnone p{margin:0}
.hexplore .xgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:1000px){
  .home .hhero{order:1} .home .hplans{order:2} .home .pside>section:first-child{order:3} .home .hexplore{order:4}
  .home .pside>section:nth-child(2){order:5} .home .mcard{order:6} .home .backup{order:8}
  body[data-tab="planes"] .pstart{order:0}
}
@media (max-width:700px){
  .hplan{padding:14px}
  .hplan-txt b{font-size:18px}
  .hhero .row .btn{flex:1 1 auto;text-align:center}
}

/* Marca «Inglés Paso a Paso»: en una línea; con poco sitio se quedan las etiquetas cortas */
.brand .bn{white-space:nowrap}
.topin .chip .l{display:none}
@media (min-width:701px){ nav.tabs{gap:2px} nav.tabs a{padding:0 12px} }
@media (max-width:700px){
  .brand{font-size:21px} .brand .bn1{display:none}
  /* seis pestañas abajo: que quepan aunque la pantalla sea estrecha */
  nav.tabs a{min-width:0;font-size:10.5px}
  nav.tabs a>span:not(.badge){max-width:100%;overflow:hidden;text-overflow:ellipsis}
  nav.tabs a svg{width:22px;height:22px}
}
@media (max-width:400px){
  .brand{font-size:19px}
  .topin{gap:8px}
  .stats{gap:4px}
  .chip{padding:4px 8px;font-size:13px;gap:4px}
  .themebtn{width:30px;height:30px}
}