/* =========================================================================
   Boli Azul — hoja de estilo única.
   Paleta: papel cálido y tinta azul de bolígrafo, que es de donde viene el
   nombre. Verde y rojo quedan reservados para acierto y fallo, así que el
   acento nunca compite con ellos.
   ========================================================================= */

:root{
  --paper:#F7F5F0; --surface:#FFFFFF; --surface-2:#F0EEE8; --surface-3:#E5E2D9;
  --ink:#191B22; --ink-soft:#565A68; --ink-faint:#868A99;
  --line:#E2DFD7; --line-strong:#C9C6BC;
  --accent:#26408B; --accent-2:#33529F; --accent-soft:#E7ECF7; --on-accent:#FFFFFF;
  --ok:#2E7A50; --ok-soft:#E3F1E9;
  --bad:#B03A32; --bad-soft:#F9E8E6;
  --warn:#8F6A1C; --warn-soft:#F6EEDC;
  --shadow-1:0 1px 2px rgba(25,27,34,.05);
  --shadow-2:0 1px 2px rgba(25,27,34,.05), 0 10px 28px -14px rgba(25,27,34,.26);
  --r:10px; --r-lg:16px;
  --col:min(100% - 2rem, 64rem);
  --read:min(100% - 2rem, 46rem);
  --sans:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --serif:Fraunces,Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-tema="claro"]){
    --paper:#121419; --surface:#1B1E25; --surface-2:#232730; --surface-3:#2B303A;
    --ink:#E9ECF2; --ink-soft:#A2A8B5; --ink-faint:#767D8B;
    --line:#2B2F39; --line-strong:#3B404D;
    --accent:#8CB0F2; --accent-2:#A6C2F6; --accent-soft:#1C2740; --on-accent:#0E1420;
    --ok:#74C99A; --ok-soft:#1A3126;
    --bad:#EE8B83; --bad-soft:#392220;
    --warn:#DCB463; --warn-soft:#312817;
    --shadow-1:0 1px 2px rgba(0,0,0,.4);
    --shadow-2:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -14px rgba(0,0,0,.7);
  }
}
:root[data-tema="oscuro"]{
  --paper:#121419; --surface:#1B1E25; --surface-2:#232730; --surface-3:#2B303A;
  --ink:#E9ECF2; --ink-soft:#A2A8B5; --ink-faint:#767D8B;
  --line:#2B2F39; --line-strong:#3B404D;
  --accent:#8CB0F2; --accent-2:#A6C2F6; --accent-soft:#1C2740; --on-accent:#0E1420;
  --ok:#74C99A; --ok-soft:#1A3126;
  --bad:#EE8B83; --bad-soft:#392220;
  --warn:#DCB463; --warn-soft:#312817;
  --shadow-1:0 1px 2px rgba(0,0,0,.4);
  --shadow-2:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -14px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--serif); font-weight:700; line-height:1.15; text-wrap:balance; margin:0;
  font-variation-settings:"SOFT" 0,"WONK" 1;}
p{margin:0}
a{color:var(--accent); text-decoration-thickness:1px; text-underline-offset:2px}
button{font:inherit; color:inherit; cursor:pointer; border:0; background:none}
input,select{font:inherit; color:inherit}
:focus-visible{outline:2.5px solid var(--accent); outline-offset:2px; border-radius:4px}
[hidden]{display:none !important}

.saltar{position:absolute; left:-9999px; top:0; background:var(--accent); color:var(--on-accent); padding:.6rem 1rem; z-index:100}
.saltar:focus{left:.5rem; top:.5rem}

.mono{font-family:var(--mono); font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint)}
.sr{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}

/* ---------------------------------------------------------------- barra -- */
.bar{
  position:sticky; top:0; z-index:30;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
}
.bar-in{width:var(--col); margin-inline:auto; display:flex; align-items:center; gap:1rem; min-height:58px; padding:.5rem 0}
.brand{display:flex; align-items:baseline; gap:.55rem; min-width:0; text-decoration:none; color:inherit}
.brand b{font-family:var(--serif); font-weight:700; font-size:1.05rem; letter-spacing:-.01em; white-space:nowrap}
.brand span{font-size:.72rem; color:var(--ink-faint); font-family:var(--mono); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.nav-princ{display:flex; gap:.15rem; margin-left:auto}
.nav-princ a{
  padding:.4rem .7rem; border-radius:8px; font-size:.9rem; font-weight:500;
  color:var(--ink-soft); text-decoration:none; white-space:nowrap;
}
.nav-princ a:hover{background:var(--surface-2); color:var(--ink)}
.nav-princ a[aria-current="page"]{background:var(--accent-soft); color:var(--accent)}
.nav-princ .pip{display:inline-block; min-width:17px; padding:0 4px; margin-left:.35rem; border-radius:99px;
  background:var(--accent); color:var(--on-accent); font-size:.68rem; font-family:var(--mono); text-align:center}
.bar-actions{display:flex; align-items:center; gap:.4rem}

.avatar{width:32px; height:32px; border-radius:99px; background:var(--accent-soft); color:var(--accent);
  font-size:.8rem; font-weight:600; display:grid; place-items:center; border:1px solid var(--line)}
.menu{position:relative}
.menu-panel{
  position:absolute; right:0; top:calc(100% + .5rem); min-width:220px; z-index:40;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--shadow-2);
  padding:.4rem; display:flex; flex-direction:column; gap:.1rem;
}
.menu-panel .quien{padding:.5rem .6rem; border-bottom:1px solid var(--line); margin-bottom:.3rem}
.menu-panel .quien b{display:block; font-size:.9rem}
.menu-panel .quien small{color:var(--ink-faint); font-size:.76rem; word-break:break-all}
.menu-panel button, .menu-panel a{
  text-align:left; padding:.45rem .6rem; border-radius:7px; font-size:.88rem;
  color:var(--ink-soft); text-decoration:none;
}
.menu-panel button:hover, .menu-panel a:hover{background:var(--surface-2); color:var(--ink)}

.progress-rail{height:3px; background:var(--surface-3); overflow:hidden}
.progress-fill{height:100%; background:var(--accent); transition:width .3s}
.clock{font-family:var(--mono); font-size:1rem; font-weight:500; padding:.3rem .6rem; border-radius:7px;
  background:var(--surface-2); letter-spacing:.02em}
.clock.aviso{background:var(--warn-soft); color:var(--warn)}
.clock.critico{background:var(--bad-soft); color:var(--bad)}

/* -------------------------------------------------------------- diseño -- */
.wrap{width:var(--col); margin-inline:auto; padding:1.75rem 0 5rem}
.read{width:var(--read); margin-inline:auto}
.hero{display:flex; flex-direction:column; gap:.5rem; margin-bottom:1.75rem}
.hero h1{font-size:clamp(1.9rem,1.2rem + 2.4vw,2.8rem); letter-spacing:-.02em}
.hero p{color:var(--ink-soft); max-width:52ch}
.sect{margin-top:2.25rem}
.sect-head{display:flex; align-items:baseline; gap:.8rem; margin-bottom:.9rem; flex-wrap:wrap}
.sect-head h2{font-size:1.25rem}
.sect-head .nota{font-size:.82rem; color:var(--ink-faint); margin-left:auto}
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--shadow-1)}
.pad{padding:1.25rem}
.empty{padding:2.25rem 1rem; text-align:center; color:var(--ink-faint); font-size:.9rem}
.fila{display:flex; gap:.6rem; flex-wrap:wrap; align-items:center}

/* ------------------------------------------------------------ controles -- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.45rem;
  padding:.6rem 1rem; border-radius:var(--r); border:1px solid var(--line-strong);
  background:var(--surface); font-weight:500; font-size:.92rem; text-decoration:none; color:inherit;
  transition:background .15s, border-color .15s, transform .08s;
}
.btn:hover{background:var(--surface-2); border-color:var(--ink-faint)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.4; cursor:not-allowed; transform:none}
.btn-primary{background:var(--accent); border-color:var(--accent); color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-2); border-color:var(--accent-2)}
.btn-ghost{border-color:transparent; background:transparent; color:var(--ink-soft)}
.btn-ghost:hover{background:var(--surface-2); color:var(--ink)}
.btn-sm{padding:.35rem .65rem; font-size:.82rem}
.btn-lg{padding:.8rem 1.4rem; font-size:1rem}
.btn-bloque{width:100%}

.campo{display:flex; flex-direction:column; gap:.35rem}
.campo label{font-size:.85rem; font-weight:500; color:var(--ink-soft)}
.campo input{
  padding:.65rem .8rem; border-radius:var(--r); border:1.5px solid var(--line-strong);
  background:var(--surface); font-size:1rem; width:100%;
}
.campo input:focus{border-color:var(--accent); outline:none}
.campo .pista{font-size:.78rem; color:var(--ink-faint)}

.aviso-error{
  padding:.7rem .9rem; border-radius:var(--r); font-size:.88rem;
  background:var(--bad-soft); color:var(--bad); border:1px solid color-mix(in srgb,var(--bad) 30%,transparent);
}
.aviso-ok{
  padding:.7rem .9rem; border-radius:var(--r); font-size:.88rem;
  background:var(--ok-soft); color:var(--ok); border:1px solid color-mix(in srgb,var(--ok) 30%,transparent);
}

.seg{display:flex; gap:.3rem; background:var(--surface-2); padding:.25rem; border-radius:var(--r); flex-wrap:wrap}
.seg button{padding:.45rem .8rem; border-radius:7px; font-size:.85rem; color:var(--ink-soft); font-weight:500; flex:1; white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--surface); color:var(--ink); box-shadow:var(--shadow-1)}

.stepper{display:flex; align-items:center; gap:.15rem; background:var(--surface-2); border-radius:var(--r); padding:.25rem; width:max-content}
.stepper button{width:34px; height:34px; border-radius:7px; font-size:1.1rem; line-height:1; color:var(--ink-soft)}
.stepper button:hover{background:var(--surface)}
.stepper output{min-width:3.4rem; text-align:center; font-family:var(--mono); font-weight:500}

.switch{display:flex; align-items:center; gap:.7rem; cursor:pointer}
.switch input{position:absolute; opacity:0; width:0; height:0}
.track{flex:none; width:40px; height:23px; border-radius:99px; background:var(--surface-3); position:relative; transition:background .18s}
.track::after{content:""; position:absolute; inset:3px auto 3px 3px; width:17px; border-radius:99px; background:var(--surface); box-shadow:var(--shadow-1); transition:transform .18s}
.switch input:checked + .track{background:var(--accent)}
.switch input:checked + .track::after{transform:translateX(17px)}
.switch input:disabled + .track{opacity:.45}
.switch input:focus-visible + .track{outline:2.5px solid var(--accent); outline-offset:2px}
.switch-txt b{font-weight:500; font-size:.93rem; display:block}
.switch-txt small{color:var(--ink-faint); font-size:.78rem}

.chip{font-size:.72rem; padding:.18rem .5rem; border-radius:99px; background:var(--surface-2); color:var(--ink-soft); border:1px solid var(--line)}
.chip-ok{background:var(--ok-soft); color:var(--ok); border-color:transparent}
.chip-bad{background:var(--bad-soft); color:var(--bad); border-color:transparent}
.chip-warn{background:var(--warn-soft); color:var(--warn); border-color:transparent}

/* ---------------------------------------------------------------- home -- */
.tarjetas{display:grid; gap:1rem; grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.accion{
  display:flex; flex-direction:column; gap:.35rem; align-items:flex-start; text-align:left;
  padding:1.15rem 1.25rem; border-radius:var(--r-lg); border:1px solid var(--line);
  background:var(--surface); box-shadow:var(--shadow-1); text-decoration:none; color:inherit;
  transition:border-color .15s, transform .1s, box-shadow .15s;
}
.accion:hover{border-color:var(--accent); transform:translateY(-1px); box-shadow:var(--shadow-2)}
.accion .num{font-family:var(--serif); font-size:2.2rem; line-height:1; font-variation-settings:"WONK" 0}
.accion b{font-size:.98rem; font-weight:600}
.accion small{color:var(--ink-faint); font-size:.82rem; line-height:1.45}

.setup{display:grid; gap:1rem; grid-template-columns:1fr}
@media(min-width:920px){.setup{grid-template-columns:1.4fr .9fr; align-items:start}}
.campo-bloque{display:flex; flex-direction:column; gap:.6rem; padding:1.1rem 1.25rem; border-bottom:1px solid var(--line)}
.campo-bloque:last-child{border-bottom:0}
.campo-bloque h3{font-size:1rem; font-family:var(--sans); font-weight:600}
.campo-bloque .cabeza{display:flex; align-items:baseline; justify-content:space-between; gap:1rem}
.campo-bloque .nota{font-size:.8rem; color:var(--ink-faint)}

.temas{display:flex; flex-direction:column; gap:.4rem}
.tema{
  display:flex; align-items:center; gap:.7rem; padding:.6rem .75rem; border-radius:var(--r);
  border:1px solid var(--line); background:var(--surface); text-align:left; width:100%;
  transition:border-color .15s, background .15s;
}
.tema:hover{border-color:var(--line-strong)}
.tema[aria-pressed="true"]{border-color:var(--accent); background:var(--accent-soft)}
.tick{flex:none; width:20px; height:20px; border-radius:6px; border:1.5px solid var(--line-strong);
  display:grid; place-items:center; font-size:.7rem; color:transparent; background:var(--surface)}
.tema[aria-pressed="true"] .tick{background:var(--accent); border-color:var(--accent); color:var(--on-accent)}
.tema-txt{min-width:0}
.tema-txt b{font-weight:500; font-size:.93rem; display:block}
.tema-txt small{color:var(--ink-faint); font-size:.76rem}
.tema-n{margin-left:auto; font-size:.76rem; color:var(--ink-faint); font-family:var(--mono)}

.lanzar{position:sticky; top:5.5rem; display:flex; flex-direction:column; gap:.9rem; padding:1.25rem}
.lanzar dl{display:grid; grid-template-columns:auto 1fr; gap:.45rem 1rem; margin:0; font-size:.88rem}
.lanzar dt{color:var(--ink-faint)}
.lanzar dd{margin:0; text-align:right; font-weight:500}

.pulse{display:grid; gap:.75rem; grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
.stat{padding:.85rem 1rem; border-radius:var(--r); background:var(--surface-2); display:flex; flex-direction:column; gap:.15rem}
.stat b{font-family:var(--serif); font-size:1.7rem; line-height:1; font-variation-settings:"WONK" 0}
.stat span{font-size:.75rem; color:var(--ink-faint)}

.tbars{display:flex; flex-direction:column; gap:.7rem}
.tbar{display:grid; grid-template-columns:1fr auto; gap:.3rem .8rem; align-items:center}
.tbar-name{font-size:.86rem}
.tbar-pct{font-size:.86rem; font-family:var(--mono); color:var(--ink-soft)}
.tbar-rail{grid-column:1/-1; height:7px; border-radius:99px; background:var(--surface-3); overflow:hidden}
.tbar-fill{display:block; height:100%; border-radius:99px; transition:width .5s cubic-bezier(.2,.7,.3,1)}

/* ---------------------------------------------------------------- test -- */
.q-head{display:flex; align-items:center; gap:.75rem; margin-bottom:.9rem; flex-wrap:wrap}
.q-num{font-family:var(--mono); font-size:.8rem; color:var(--ink-faint); letter-spacing:.06em}
.q-text{font-family:var(--serif); font-weight:500; font-size:clamp(1.15rem,1rem + .8vw,1.45rem);
  line-height:1.35; font-variation-settings:"SOFT" 0,"WONK" 0; margin-bottom:1.25rem}

.opts{display:flex; flex-direction:column; gap:.55rem}
.opt{
  display:flex; align-items:flex-start; gap:.85rem; width:100%; text-align:left;
  padding:.85rem 1rem; border:1.5px solid var(--line); border-radius:var(--r); background:var(--surface);
  transition:border-color .14s, background .14s, transform .08s;
}
.opt:hover:not([disabled]){border-color:var(--line-strong); background:var(--surface-2)}
.opt:active:not([disabled]){transform:translateY(1px)}
.opt[disabled]{cursor:default}
.bub{
  flex:none; width:28px; height:28px; border-radius:99px; border:1.5px solid var(--line-strong);
  display:grid; place-items:center; font-family:var(--mono); font-size:.82rem; font-weight:500;
  color:var(--ink-soft); background:var(--surface); transition:.14s;
}
.opt-txt{padding-top:.15rem}
.opt[aria-pressed="true"]{border-color:var(--accent); background:var(--accent-soft)}
.opt[aria-pressed="true"] .bub{background:var(--accent); border-color:var(--accent); color:var(--on-accent)}
.opt.es-ok{border-color:var(--ok); background:var(--ok-soft)}
.opt.es-ok .bub{background:var(--ok); border-color:var(--ok); color:#fff}
.opt.es-mal{border-color:var(--bad); background:var(--bad-soft)}
.opt.es-mal .bub{background:var(--bad); border-color:var(--bad); color:#fff}

.feedback{margin-top:1rem; border-radius:var(--r); padding:.95rem 1.1rem; border:1px solid var(--line); background:var(--surface-2)}
.feedback.ok{border-color:color-mix(in srgb,var(--ok) 35%,transparent); background:var(--ok-soft)}
.feedback.mal{border-color:color-mix(in srgb,var(--bad) 35%,transparent); background:var(--bad-soft)}
.feedback .veredicto{font-weight:600; font-size:.88rem; margin-bottom:.3rem}
.feedback .porque{font-size:.92rem}
.fuente{margin-top:.55rem; font-family:var(--mono); font-size:.75rem; color:var(--ink-faint);
  display:flex; gap:.6rem; flex-wrap:wrap; align-items:center}
.fuente a{color:var(--ink-faint)}

.nav-test{display:flex; align-items:center; gap:.6rem; margin-top:1.5rem; flex-wrap:wrap}
.nav-test .hueco{margin-left:auto}

.hoja{display:grid; grid-template-columns:repeat(auto-fill,minmax(38px,1fr)); gap:.35rem}
.celda-env{position:relative}
.celda-env.marcada::after{content:""; position:absolute; top:-3px; right:-3px; width:9px; height:9px;
  border-radius:99px; background:var(--warn); border:2px solid var(--paper)}
.celda{
  width:100%; aspect-ratio:1; border-radius:7px; border:1.5px solid var(--line); background:var(--surface);
  font-family:var(--mono); font-size:.78rem; color:var(--ink-soft); display:grid; place-items:center; transition:.12s;
}
.celda:hover{border-color:var(--ink-faint)}
.celda[data-e="hecha"]{background:var(--accent-soft); border-color:var(--accent); color:var(--accent)}
.celda[data-e="ok"]{background:var(--ok-soft); border-color:var(--ok); color:var(--ok)}
.celda[data-e="mal"]{background:var(--bad-soft); border-color:var(--bad); color:var(--bad)}
.celda[data-e="blanco"]{background:var(--surface-2); border-style:dashed}
.celda[data-actual="1"]{outline:2.5px solid var(--ink); outline-offset:1px}

/* --------------------------------------------------------- resultados -- */
.score{display:grid; gap:1.25rem; grid-template-columns:1fr; align-items:start}
@media(min-width:820px){.score{grid-template-columns:auto 1fr}}
.score-main{display:flex; flex-direction:column; align-items:center; gap:.2rem; padding:1.5rem 2rem;
  border-radius:var(--r-lg); background:var(--surface-2); min-width:210px}
.score-main .grande{font-family:var(--serif); font-size:3.6rem; line-height:1; font-variation-settings:"WONK" 0; letter-spacing:-.02em}
.score-main .sobre{font-family:var(--mono); font-size:.8rem; color:var(--ink-faint)}
.tally{display:flex; gap:.5rem; flex-wrap:wrap; margin-top:.7rem; justify-content:center}
.tally span{font-size:.78rem; padding:.25rem .6rem; border-radius:99px; font-family:var(--mono)}
.t-ok{background:var(--ok-soft); color:var(--ok)}
.t-mal{background:var(--bad-soft); color:var(--bad)}
.t-blanco{background:var(--surface-3); color:var(--ink-soft)}

.rev{display:flex; flex-direction:column; gap:.9rem}
.rev-item{border:1px solid var(--line); border-radius:var(--r); overflow:hidden; background:var(--surface)}
.rev-top{display:flex; gap:.7rem; align-items:flex-start; padding:.9rem 1rem; width:100%; text-align:left}
.rev-marca{flex:none; width:24px; height:24px; border-radius:7px; display:grid; place-items:center;
  font-size:.75rem; font-weight:600; font-family:var(--mono)}
.rev-marca.ok{background:var(--ok-soft); color:var(--ok)}
.rev-marca.mal{background:var(--bad-soft); color:var(--bad)}
.rev-marca.blanco{background:var(--surface-3); color:var(--ink-soft)}
.rev-q{font-size:.93rem; line-height:1.45}
.rev-cuerpo{padding:.9rem 1rem 1rem; border-top:1px solid var(--line)}

/* ------------------------------------------------------------ temario -- */
.lista-temas{display:flex; flex-direction:column; gap:.6rem}
.tema-fila{
  display:flex; align-items:center; gap:1rem; padding:1rem 1.15rem; border:1px solid var(--line);
  border-radius:var(--r); background:var(--surface); text-decoration:none; color:inherit;
  transition:border-color .15s, transform .1s;
}
.tema-fila:hover{border-color:var(--accent); transform:translateX(2px)}
.tema-fila .idx{font-family:var(--mono); font-size:.78rem; color:var(--ink-faint); flex:none; width:2ch}
.tema-fila .cuerpo{min-width:0; flex:1}
.tema-fila .cuerpo b{display:block; font-size:.97rem; font-weight:600}
.tema-fila .cuerpo small{color:var(--ink-faint); font-size:.8rem}
.tema-fila .mini-rail{flex:none; width:64px; height:6px; border-radius:99px; background:var(--surface-3); overflow:hidden}
.tema-fila .mini-fill{display:block; height:100%}

.doc{display:grid; gap:2rem; grid-template-columns:1fr}
@media(min-width:1000px){.doc{grid-template-columns:220px 1fr}}
.indice{position:sticky; top:5.5rem; align-self:start; display:none; flex-direction:column; gap:.2rem;
  border-left:2px solid var(--line); padding-left:.9rem; max-height:calc(100vh - 8rem); overflow-y:auto}
@media(min-width:1000px){.indice{display:flex}}
.indice a{font-size:.82rem; color:var(--ink-soft); text-decoration:none; padding:.2rem 0; line-height:1.35}
.indice a:hover{color:var(--accent)}
.indice a[data-n="3"]{padding-left:.7rem; font-size:.78rem; color:var(--ink-faint)}
.indice a.activo{color:var(--accent); font-weight:600}

.prosa{max-width:44rem}
.prosa h1{font-size:2rem; margin:0 0 1rem}
.prosa h2{font-size:1.4rem; margin:2.2rem 0 .7rem; scroll-margin-top:5.5rem}
.prosa h3{font-size:1.1rem; margin:1.6rem 0 .5rem; font-family:var(--sans); font-weight:600; scroll-margin-top:5.5rem}
.prosa p{margin:0 0 .9rem; line-height:1.7}
.prosa ul,.prosa ol{margin:0 0 1rem; padding-left:1.3rem; display:flex; flex-direction:column; gap:.35rem}
.prosa li{line-height:1.6}
.prosa strong{font-weight:600}
.prosa hr{border:0; border-top:1px solid var(--line); margin:2rem 0}
.prosa code{font-family:var(--mono); font-size:.88em; background:var(--surface-2); padding:.1em .35em; border-radius:5px}
.prosa blockquote{
  margin:1.2rem 0; padding:.9rem 1.1rem; border-left:3px solid var(--accent);
  background:var(--accent-soft); border-radius:0 var(--r) var(--r) 0;
}
.prosa blockquote p{margin:0; font-size:.94rem}
.tabla-envoltorio{overflow-x:auto; margin:1.2rem 0; border:1px solid var(--line); border-radius:var(--r)}
.prosa table{border-collapse:collapse; width:100%; font-size:.89rem}
.prosa th,.prosa td{padding:.55rem .8rem; border-bottom:1px solid var(--line); vertical-align:top}
.prosa th{background:var(--surface-2); font-weight:600; white-space:nowrap}
.prosa tr:last-child td{border-bottom:0}

/* ------------------------------------------------------------- fichas -- */
.ficha-zona{display:flex; flex-direction:column; gap:1.25rem; align-items:center}
.ficha{
  width:100%; min-height:min(46vh,320px); display:flex; flex-direction:column; justify-content:center;
  gap:1.25rem; padding:2rem 1.75rem; border-radius:var(--r-lg); background:var(--surface);
  border:1px solid var(--line); box-shadow:var(--shadow-2); text-align:center;
}
.ficha .anverso{font-family:var(--serif); font-size:clamp(1.25rem,1rem + 1.4vw,1.75rem); line-height:1.3;
  font-variation-settings:"SOFT" 0,"WONK" 0}
.ficha .reverso{font-size:1.02rem; line-height:1.6; color:var(--ink); padding-top:1.25rem; border-top:1px solid var(--line)}
.ficha .fuente{justify-content:center}
.calif{display:grid; grid-template-columns:repeat(auto-fit,minmax(110px,1fr)); gap:.5rem; width:100%}
.calif button{padding:.75rem .5rem; border-radius:var(--r); border:1.5px solid var(--line-strong); background:var(--surface);
  display:flex; flex-direction:column; gap:.15rem; align-items:center; transition:.14s}
.calif button:hover{transform:translateY(-1px)}
.calif b{font-size:.9rem; font-weight:600}
.calif small{font-family:var(--mono); font-size:.7rem; color:var(--ink-faint)}
.calif .c-otra:hover{border-color:var(--bad); background:var(--bad-soft)}
.calif .c-dificil:hover{border-color:var(--warn); background:var(--warn-soft)}
.calif .c-bien:hover{border-color:var(--accent); background:var(--accent-soft)}
.calif .c-facil:hover{border-color:var(--ok); background:var(--ok-soft)}

/* ---------------------------------------------------------- historial -- */
.hist{display:flex; flex-direction:column; gap:.5rem}
.hist-fila{display:flex; align-items:center; gap:.5rem .8rem; flex-wrap:wrap; padding:.7rem .9rem;
  border:1px solid var(--line); border-radius:var(--r); background:var(--surface); font-size:.88rem;
  text-decoration:none; color:inherit}
.hist-fila:hover{border-color:var(--line-strong)}
.hist-fila .fecha{font-family:var(--mono); font-size:.78rem; color:var(--ink-faint); white-space:nowrap}
.hist-fila .nota{margin-left:auto; font-family:var(--mono); font-weight:500}

.tabla-simple{width:100%; border-collapse:collapse; font-size:.88rem}
.tabla-simple th{text-align:left; font-weight:600; color:var(--ink-faint); font-size:.78rem;
  text-transform:uppercase; letter-spacing:.06em; padding:.5rem .7rem; border-bottom:1px solid var(--line)}
.tabla-simple td{padding:.6rem .7rem; border-bottom:1px solid var(--line)}
.tabla-simple tr:last-child td{border-bottom:0}
.codigo{font-family:var(--mono); font-size:.9rem; letter-spacing:.05em}

/* --------------------------------------------------------------- misc -- */
.toast{
  position:fixed; left:50%; bottom:1.5rem; transform:translateX(-50%) translateY(1rem);
  background:var(--ink); color:var(--paper); padding:.6rem 1.1rem; border-radius:99px; font-size:.85rem;
  box-shadow:var(--shadow-2); opacity:0; pointer-events:none; transition:.25s; z-index:60; max-width:90vw;
}
.toast.visible{opacity:1; transform:translateX(-50%) translateY(0)}

.cargando{display:grid; place-items:center; padding:4rem 1rem; color:var(--ink-faint); font-size:.9rem}

.acceso{max-width:24rem; margin:min(8vh,4rem) auto 0; display:flex; flex-direction:column; gap:1.25rem}
.acceso .marca{text-align:center; display:flex; flex-direction:column; gap:.4rem}
.acceso .marca h1{font-size:2rem; letter-spacing:-.02em}
.acceso .marca p{color:var(--ink-soft); font-size:.92rem}
.acceso form{display:flex; flex-direction:column; gap:.9rem}
.acceso .cambiar{text-align:center; font-size:.86rem; color:var(--ink-faint)}

@media (max-width:700px){
  .brand span{display:none}
  .nav-princ{order:3; width:100%; margin:0; overflow-x:auto; padding-bottom:.15rem}
  .bar-in{flex-wrap:wrap; row-gap:.4rem}
  .lanzar{position:static}
}
@media (prefers-reduced-motion: reduce){*{transition:none !important; animation:none !important}}