/* Tipografías alojadas en la propia web (licencia SIL Open Font License) */
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/chakra-petch-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Chakra Petch';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/chakra-petch-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Chakra Petch';font-style:italic;font-weight:700;font-display:swap;src:url('../assets/fonts/chakra-petch-latin-700-italic.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:200 800;font-display:swap;src:url('../assets/fonts/manrope-latin-wght-normal.woff2') format('woff2')}
:root{
  color-scheme:light;
  --bg:#EEF1F8; --grid:rgba(12,20,45,.045); --panel:rgba(255,255,255,.74); --field:#FFFFFF;
  --ink:#0A1022; --muted:#4A556F; --line:rgba(12,20,45,.14); --soft:rgba(12,20,45,.06);
  --accent:#17E397; --on-accent:#03140D; --accent-ink:#006B4C; --glow:rgba(23,227,151,.38);
  --hi:#FFD400; --on-hi:#161200; --focus:#2447F9;
  --night:#050914; --night-2:#15275A; --volt:#1FF0A0;
  --display:'Chakra Petch','Manrope','Segoe UI',system-ui,sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#060A16; --grid:rgba(255,255,255,.035); --panel:rgba(255,255,255,.05); --field:rgba(255,255,255,.07);
    --ink:#EAF0FF; --muted:#97A4C2; --line:rgba(255,255,255,.13); --soft:rgba(255,255,255,.08);
    --accent:#1FF0A0; --accent-ink:#1FF0A0; --glow:rgba(31,240,160,.4); --focus:#9DB4FF;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#060A16; --grid:rgba(255,255,255,.035); --panel:rgba(255,255,255,.05); --field:rgba(255,255,255,.07);
  --ink:#EAF0FF; --muted:#97A4C2; --line:rgba(255,255,255,.13); --soft:rgba(255,255,255,.08);
  --accent:#1FF0A0; --accent-ink:#1FF0A0; --glow:rgba(31,240,160,.4); --focus:#9DB4FF;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;color:var(--ink);font-family:'Manrope','Segoe UI',system-ui,Helvetica,sans-serif;font-size:16px;line-height:1.5;
  background-color:var(--bg);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:44px 44px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.4;cursor:default}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none !important}
option{color:#0A1022;background:#fff}

/* Cabecera: siempre de noche, con la rejilla táctica y el círculo central iluminado */
.top{position:relative;overflow:hidden;color:#fff;background-color:var(--night);
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;border-bottom:1px solid rgba(31,240,160,.55);box-shadow:0 1px 28px rgba(31,240,160,.22)}
.top-in{position:relative;max-width:1400px;margin:0 auto;padding:22px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px}
.logo{margin:0;font-family:var(--display);font-style:italic;font-weight:700;font-size:clamp(2.4rem,5.5vw,3.3rem);line-height:.9;letter-spacing:.01em;text-transform:uppercase;display:flex;align-items:center}
.logo .siete{display:inline-block;margin-left:.14em;padding:.04em .22em .06em .14em;background:var(--hi);color:var(--on-hi);border-radius:8px;transform:rotate(-7deg);box-shadow:0 0 26px rgba(255,212,0,.5)}
.tag{margin:0;max-width:26em;font-size:1.02rem;line-height:1.35;font-weight:500;color:#C6D0EA}
.modos{display:flex;flex-wrap:wrap;gap:4px;margin-left:auto;padding:4px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(9,14,30,.86)}
.modo{min-height:44px;padding:0 18px;border:0;border-radius:999px;background:transparent;color:#fff;font-weight:700}
.modo:hover{background:rgba(255,255,255,.12)}
.modo[aria-pressed="true"]{background:var(--volt);color:#03140D;box-shadow:0 0 22px rgba(31,240,160,.55)}
.modo.pro{color:var(--hi)}
.modo.pro[aria-pressed="true"]{background:var(--hi);color:var(--on-hi);box-shadow:0 0 22px rgba(255,212,0,.5)}
body[data-modo="editor"] .jump,body[data-modo="pro"] .jump{display:none}
.jump{display:none;min-height:44px;align-items:center;color:#fff;font-weight:700;text-underline-offset:4px}
.lineas{position:absolute;right:-30px;top:50%;width:420px;height:420px;transform:translateY(-50%);opacity:.75;pointer-events:none;filter:drop-shadow(0 0 10px rgba(31,240,160,.8))}

.app{max-width:1400px;margin:0 auto;padding:26px 20px 56px;display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);gap:32px;align-items:start}

.lib{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);max-height:calc(100vh - 24px);overflow:auto;display:flex;flex-direction:column;gap:14px;padding:2px 4px 2px 2px}
.campo-busca{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.lib input,.lib select,.bar select{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--field)}
.lib input,.lib select{width:100%}
.lib input:focus,.lib select:focus{border-color:var(--accent-ink)}
.cats{display:flex;flex-wrap:wrap;gap:6px}
.chip{min-height:40px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:.88rem;font-weight:600}
.chip .n{color:var(--muted);font-size:.85em;font-weight:500}
.chip:hover{border-color:var(--accent-ink)}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:var(--accent);box-shadow:0 0 18px var(--glow)}
.chip[aria-pressed="true"] .n{color:inherit;opacity:.75}
.count{margin:4px 0 -6px;color:var(--muted);font-size:.9rem}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.list .vacio{padding:14px 2px;color:var(--muted)}
.item{width:100%;text-align:left;background:none;border:0;border-radius:12px;padding:10px 12px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 12px;align-items:baseline}
.item:hover{background:var(--soft)}
.item .nm{font-weight:700}
.item .lv{font-size:.82rem;color:var(--muted)}
.item .mt{grid-column:1 / -1;font-size:.88rem;color:var(--muted)}
.item[aria-current="true"]{background:var(--accent);color:var(--on-accent);box-shadow:0 8px 26px -8px var(--glow)}
.item[aria-current="true"] .lv,.item[aria-current="true"] .mt{color:inherit;opacity:.85}

.stage{min-width:0}
/* Visor: el campo como un holograma sobre una rejilla, con marcador de pasos debajo */
.viewer{border-radius:20px;overflow:hidden;background:var(--night);border:1px solid rgba(31,240,160,.4);box-shadow:0 0 0 1px rgba(5,9,20,.6),0 28px 70px -30px var(--glow)}
.lienzo{position:relative;width:100%;aspect-ratio:16 / 9;min-height:280px;max-height:62vh;background:radial-gradient(ellipse at 50% 38%,var(--night-2) 0%,var(--night) 70%)}
.lienzo::before,.lienzo::after{content:"";position:absolute;width:26px;height:26px;border:2px solid var(--volt);opacity:.8;pointer-events:none;z-index:1}
.lienzo::before{left:12px;top:12px;border-right:0;border-bottom:0;border-top-left-radius:6px}
.lienzo::after{left:12px;bottom:12px;border-right:0;border-top:0;border-bottom-left-radius:6px}
.lienzo canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
.lienzo canvas:active{cursor:grabbing}
.views{position:absolute;top:10px;right:10px;z-index:2;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px;max-width:calc(100% - 60px);padding:4px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(5,9,20,.55);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.vbtn{min-height:40px;min-width:40px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:#fff;font-size:.9rem;font-weight:700}
.vbtn:hover{background:rgba(255,255,255,.14)}
.vbtn[aria-pressed="true"]{background:var(--volt);color:#03140D}
.caption{margin:0;display:flex;align-items:stretch;min-height:calc(2.7em + 22px);background:rgba(5,9,20,.96);color:#fff;border-top:1px solid rgba(31,240,160,.4)}
.caption .marc{flex:none;display:flex;align-items:center;gap:9px;padding:0 16px;color:var(--volt);font-family:var(--display);font-weight:700;font-size:1.02rem;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;border-right:1px solid rgba(255,255,255,.14)}
.caption .marc::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--volt);box-shadow:0 0 12px var(--volt)}
.caption .txt{display:flex;align-items:center;padding:10px 16px;font-weight:600;font-size:1.04rem;line-height:1.35}
.nogl{position:absolute;inset:0;margin:0;padding:64px 24px 24px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}

.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px}
.btn{min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:var(--panel);font-weight:700;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn:hover:not(:disabled){border-color:var(--accent-ink)}
.btn.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);box-shadow:0 8px 24px -10px var(--glow)}
.btn.primary:hover:not(:disabled){box-shadow:0 0 0 3px var(--glow)}
.btn.small{min-height:40px;padding:0 12px;font-size:.9rem}
.btn[aria-pressed="true"]{border-color:var(--accent-ink);color:var(--accent-ink)}
.prog{flex:1 1 180px;min-width:140px;height:44px;accent-color:var(--accent-ink)}
.legend{display:flex;flex-wrap:wrap;gap:4px 18px;margin:10px 0 0;padding:0;list-style:none;color:var(--muted);font-size:.9rem}
.legend li{display:flex;align-items:center;gap:7px}
.legend i{width:12px;height:12px;border-radius:50%;display:inline-block}

.detail{margin-top:34px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:24px 44px;align-items:start}
.head{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px}
.detail h2,.editor h2,.session h2{margin:0;font-family:var(--display);font-weight:700;line-height:1;letter-spacing:.005em;text-transform:uppercase;text-wrap:balance}
.detail h2,.editor h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
.acts{display:flex;flex-wrap:wrap;gap:8px}
/* Datos del ejercicio en una fila de casillas */
.facts{grid-column:1 / -1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.facts li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 14px;display:flex;flex-direction:column;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.facts .k{font-size:.82rem;color:var(--muted)}
.facts .v{font-weight:700}
.detail h3{margin:0 0 4px;font-size:1rem;font-weight:800;color:var(--accent-ink)}
.detail p{margin:0 0 18px;max-width:64ch}
.detail .txt ul{margin:0 0 18px;padding-left:1.15em;max-width:64ch}
.detail .txt li{margin-bottom:4px}
.detail .sec{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--panel);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.seq{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.seq button{width:100%;min-height:44px;text-align:left;display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px;padding:9px 10px;border:0;border-radius:10px;background:none;line-height:1.35}
.seq button:hover{background:var(--soft)}
.seq .num{font-family:var(--display);font-weight:700;font-size:1.05rem;line-height:1.3}
.seq button[aria-current="step"]{background:var(--accent);color:var(--on-accent);box-shadow:0 6px 20px -8px var(--glow)}

.session{margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.session h2{font-size:1.6rem;margin-bottom:2px}
.session p{margin:0;color:var(--muted)}
.shead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px}
.slist{list-style:none;margin:14px 0 0;padding:0}
.slist li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:8px 0;border-top:1px solid var(--line)}
.slist .ord{width:24px;font-family:var(--display);font-weight:700;font-size:1.1rem;color:var(--accent-ink)}
.slist .nm{flex:1 1 220px;min-height:44px;background:none;border:0;padding:0;text-align:left;font-weight:700;text-decoration:underline;text-decoration-color:var(--accent-ink);text-underline-offset:4px}
.slist .mn{color:var(--muted);min-width:58px}
.nota{margin-top:12px !important;font-size:.88rem}

.editor{max-width:1400px;margin:0 auto;padding:26px 20px 56px}
.ed-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;margin-bottom:18px}
.ed-sub{margin:6px 0 0;color:var(--muted)}
.ed-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:28px 36px;align-items:start}
.ed-board{min-width:0}
.tools,.bal{display:flex;flex-wrap:wrap;gap:6px}
.tool{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:var(--panel);font-weight:700;display:inline-flex;align-items:center;gap:8px}
.tool:hover:not(:disabled){border-color:var(--accent-ink)}
.tool i{width:14px;height:14px;border-radius:50%;display:inline-block}
.tool[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:var(--accent);box-shadow:0 0 18px var(--glow)}
.ed-msg{margin:10px 0;min-height:1.5em;color:var(--muted)}
.pizarra{background:var(--night);border:1px solid rgba(31,240,160,.4);border-radius:18px;overflow:hidden;padding:8px;display:flex;justify-content:center;box-shadow:0 28px 70px -34px var(--glow)}
.pizarra svg{display:block;width:100%;max-height:66vh;touch-action:none;-webkit-user-select:none;user-select:none;cursor:pointer}
.ed-play{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:12px;font-weight:600}
.steps{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:16px}
.stepb{min-width:44px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:var(--panel);font-weight:800}
.stepb:hover{border-color:var(--accent-ink)}
.stepb[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.step-panel{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--panel);display:flex;flex-direction:column;gap:14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.step-panel .guia{margin:0;max-width:64ch}
.campo{min-width:0}
.campo label,.campo .lbl{display:block;font-weight:700;margin-bottom:4px}
.campo.fin{display:flex;align-items:flex-end}
.editor input[type="text"],.editor input[type="number"],.editor select,.editor textarea,.ia input,.ia select{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:12px;background:var(--field)}
.editor textarea{min-height:84px;resize:vertical}
.ed-form{display:flex;flex-direction:column;gap:14px}
.dos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.bal-estado{margin:8px 0 0;color:var(--muted)}
.chk{display:flex !important;align-items:center;gap:8px;min-height:44px;font-weight:600 !important;margin:0 !important}
.chk input{width:20px;height:20px;accent-color:var(--accent-ink)}
.sin{color:var(--muted)}
.pro-b{display:inline-block;padding:1px 7px;border-radius:6px;background:var(--hi);color:var(--on-hi);font-size:.74rem;font-weight:800;line-height:1.5;vertical-align:middle}
.candado{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;text-align:center;color:#fff;background:radial-gradient(ellipse at 50% 40%,#1B1F3D 0%,var(--night) 70%)}
.candado p{margin:0;max-width:30em}
.candado-t{font-family:var(--display);font-weight:700;font-size:clamp(2rem,5vw,3rem);line-height:1;text-transform:uppercase;color:var(--hi);text-shadow:0 0 28px rgba(255,212,0,.55)}
.slist .cuerpo{flex:1 1 220px;display:flex;flex-direction:column;min-width:0}
.slist .cuerpo .nm{flex:none}
.s-nota{color:var(--muted);font-size:.92rem;margin:-6px 0 6px}
.s-meta p{margin:10px 0 0;max-width:70ch;color:var(--ink)}
.s-meta .s-tit{font-weight:800;font-size:1.15rem}
.ia{margin-top:30px;padding:22px;border:1px solid var(--accent-ink);border-radius:20px;background:var(--panel);box-shadow:0 24px 60px -34px var(--glow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.ia h3{margin:0 0 4px;font-family:var(--display);font-weight:700;font-size:1.35rem;text-transform:uppercase}
.ia > p{margin:0 0 14px;max-width:70ch}
.ia-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr));gap:12px;margin-bottom:14px}
.ia-grid .ancho{grid-column:1 / -1}
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:20px;max-width:900px}
.plan{padding:26px;border:1px solid var(--line);border-radius:22px;background:var(--panel);display:flex;flex-direction:column;gap:10px;align-items:flex-start;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.plan.destacado{border-color:var(--accent-ink);box-shadow:0 30px 70px -34px var(--glow)}
.plan h3{margin:0;font-family:var(--display);font-weight:700;font-size:1.5rem;text-transform:uppercase}
.precio{margin:0;font-family:var(--display);font-weight:700;font-size:2.2rem;line-height:1.1}
.precio span{font-family:'Manrope',system-ui,sans-serif;font-size:1rem;font-weight:600;color:var(--muted)}
.plan ul{margin:0 0 6px;padding-left:1.15em}
.plan li{margin-bottom:6px}
.btn.enlace{display:inline-flex;align-items:center;text-decoration:none;color:inherit}
.plan .nota{margin:0 !important;color:var(--muted);font-size:.9rem}

@media (prefers-reduced-motion: no-preference){
  .caption .marc::before{animation:latido 1.6s ease-in-out infinite}
  @keyframes latido{50%{opacity:.35}}
}
@media (max-width:880px){
  .ed-grid{grid-template-columns:minmax(0,1fr)}
  .modos{margin-left:0;border-radius:26px}
  .app{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:18px}
  .stage{order:-1}
  .lib{position:static;max-height:none;overflow:visible}
  .jump{display:inline-flex}
  .lineas{right:-210px}
  .detail{grid-template-columns:minmax(0,1fr)}
  .viewer{border-radius:16px}
  .lienzo{aspect-ratio:4 / 3}
  .caption .marc{padding:0 12px;font-size:.92rem}
  .caption .txt{font-size:.95rem;padding:10px 12px}
  .vbtn{padding:0 9px}
  .modo{padding:0 13px}
}

/* Pie de página y páginas legales */
.pie{border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}
.pie-in{max-width:1400px;margin:0 auto;padding:18px 20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 24px}
.pie nav{display:flex;flex-wrap:wrap;gap:0 22px}
.pie a,.legal a{color:var(--accent-ink);display:inline-flex;align-items:center;min-height:44px;text-underline-offset:4px}
.legal{max-width:760px;margin:0 auto;padding:34px 20px 60px}
.legal h1{margin:0 0 6px;font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.05;text-transform:uppercase}
.legal h2{margin:30px 0 6px;font-size:1.15rem;font-weight:800;color:var(--accent-ink)}
.legal p,.legal li{max-width:68ch}
.legal .aviso{padding:12px 16px;border:1px solid var(--hi);border-radius:12px;background:var(--panel)}
.legal a{min-height:0;display:inline}