:root{--papel:#fbfaf7;--tarjeta:#ffffff;--tinta:#1c1b19;--tinta-suave:#5d5a54;--tinta-tenue:#8a867e;--borde:#e6e2da;--acento:#2f6f4e;--acento-claro:#eaf3ee;--alerta:#a4392f;--radio:10px;--sombra:0 1px 2px rgba(28,27,25,0.05),0 4px 16px rgba(28,27,25,0.04);color-scheme:light}@media (prefers-color-scheme:dark){:root{--papel:#16161a;--tarjeta:#1e1e23;--tinta:#eceae5;--tinta-suave:#a8a49c;--tinta-tenue:#7b776f;--borde:#32323a;--acento:#6bbf92;--acento-claro:#1f2f27;--alerta:#e08279;--sombra:0 1px 2px rgba(0,0,0,0.3),0 4px 16px rgba(0,0,0,0.2);color-scheme:dark}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--papel);color:var(--tinta);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--acento);text-decoration-thickness:1px;text-underline-offset:2px}a:hover{text-decoration-thickness:2px}.contenedor{max-width:940px;margin:0 auto;padding:0 24px}.estrecho{max-width:720px}.cabecera{border-bottom:1px solid var(--borde);background:var(--tarjeta);position:-webkit-sticky;position:sticky;top:0;z-index:10}.cabecera-interior{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}.marca{font-weight:650;letter-spacing:-.01em;color:var(--tinta);text-decoration:none;font-size:1.05rem}.cabecera nav{display:flex;align-items:center;gap:18px;font-size:.9rem}.cabecera nav a{color:var(--tinta-suave);text-decoration:none}.cabecera nav a:hover{color:var(--tinta)}.usuario{color:var(--tinta-tenue);font-size:.85rem}h1{font-size:1.9rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 8px}h2{font-size:1.4rem;line-height:1.3;letter-spacing:-.01em;margin:2em 0 .5em}h3{font-size:1.15rem;margin:1.8em 0 .4em}h4{font-size:1rem;margin:1.5em 0 .3em}.subtitulo{color:var(--tinta-suave);margin:0 0 32px}main{padding:40px 0 80px}.rejilla{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.tarjeta{display:block;background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:18px 20px;text-decoration:none;color:inherit;box-shadow:var(--sombra);transition:border-color .15s,transform .15s}.tarjeta:hover{border-color:var(--acento);transform:translateY(-1px)}.tarjeta h3{margin:0 0 4px;font-size:1.05rem}.tarjeta p{margin:0;color:var(--tinta-suave);font-size:.9rem}.seccion-titulo{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--tinta-tenue);margin:32px 0 10px;font-weight:600}.lista-materiales{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.lista-materiales a{display:flex;align-items:baseline;gap:12px;padding:13px 16px;background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);text-decoration:none;color:inherit}.lista-materiales a:hover{border-color:var(--acento)}.material-icono{font-size:1rem;flex-shrink:0}.material-texto{flex:1 1;min-width:0}.material-texto strong{font-weight:550;display:block}.material-texto span{color:var(--tinta-suave);font-size:.87rem}.vacio{border:1px dashed var(--borde);border-radius:var(--radio);padding:40px 24px;text-align:center;color:var(--tinta-suave)}.migas{font-size:.87rem;color:var(--tinta-tenue);margin-bottom:20px}.migas a{color:var(--tinta-suave);text-decoration:none}.migas a:hover{text-decoration:underline}.panel{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:28px;box-shadow:var(--sombra)}label{display:block;font-size:.87rem;font-weight:550;margin-bottom:6px}input[type=email],input[type=text],select,textarea{width:100%;padding:10px 12px;font:inherit;color:var(--tinta);background:var(--papel);border:1px solid var(--borde);border-radius:8px}input:focus,select:focus,textarea:focus{outline:2px solid var(--acento);outline-offset:1px;border-color:transparent}textarea{min-height:130px;resize:vertical;font-size:.85rem}.codigo-otp,textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.codigo-otp{font-size:1.5rem;letter-spacing:.3em;text-align:center}.boton,button{font:inherit;font-weight:550;padding:10px 18px;border-radius:8px;border:1px solid transparent;background:var(--acento);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}.boton:hover,button:hover{filter:brightness(1.08)}button:disabled{opacity:.55;cursor:progress}button.secundario{background:transparent;color:var(--tinta-suave);border-color:var(--borde)}button.peligro{color:var(--alerta)}button.peligro:hover{border-color:var(--alerta);filter:none}.campo{margin-bottom:16px}.pista{font-size:.83rem;color:var(--tinta-tenue);margin-top:6px}.error{background:color-mix(in srgb,var(--alerta) 10%,transparent);border:1px solid color-mix(in srgb,var(--alerta) 35%,transparent);color:var(--alerta);border-radius:8px}.aviso-ok,.error{padding:11px 14px;font-size:.9rem;margin-bottom:16px}.aviso-ok{background:var(--acento-claro);border:1px solid color-mix(in srgb,var(--acento) 35%,transparent);color:var(--acento);border-radius:8px}.pantalla-login{min-height:100dvh;display:grid;place-items:center;padding:24px}.caja-login{width:100%;max-width:400px}.caja-login h1{font-size:1.5rem}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:9px 12px;border-bottom:1px solid var(--borde);vertical-align:top}th{color:var(--tinta-suave);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}.etiqueta,th{font-weight:600}.etiqueta{display:inline-block;padding:1px 8px;border-radius:20px;font-size:.75rem}.etiqueta.si{background:var(--acento-claro);color:var(--acento)}.etiqueta.no{background:color-mix(in srgb,var(--alerta) 12%,transparent);color:var(--alerta)}.notion{font-size:1.02rem;line-height:1.75}.notion>:first-child{margin-top:0}.notion p{margin:0 0 1em}.notion .espacio{height:.8em}.notion ol,.notion ul{margin:0 0 1em;padding-left:1.5em}.notion li{margin-bottom:.3em}.notion hr{border:none;border-top:1px solid var(--borde);margin:2.5em 0}.notion blockquote{margin:1.5em 0;padding:2px 0 2px 18px;border-left:3px solid var(--acento);color:var(--tinta-suave)}.aviso{display:flex;gap:12px;background:var(--acento-claro);border:1px solid color-mix(in srgb,var(--acento) 22%,transparent);border-radius:var(--radio);padding:14px 16px;margin:1.5em 0}.aviso>div>p:last-child{margin-bottom:0}.codigo-linea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.87em;background:var(--acento-claro);padding:1px 5px;border-radius:4px}.bloque-codigo{margin:1.5em 0;background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden}.bloque-codigo .lenguaje{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--tinta-tenue);padding:7px 14px;border-bottom:1px solid var(--borde)}.bloque-codigo pre{margin:0;padding:14px;overflow-x:auto}.bloque-codigo code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem}.figura{margin:1.8em 0}.figura img{max-width:100%;height:auto;border-radius:var(--radio);display:block}figcaption{font-size:.85rem;color:var(--tinta-tenue);margin-top:8px}.video{position:relative;padding-top:56.25%;margin:1.8em 0}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:var(--radio)}.desplegable{margin:.6em 0}.desplegable summary{cursor:pointer;font-weight:550}.desplegable-cuerpo{padding:6px 0 6px 20px}.tarea{display:flex;gap:9px;align-items:flex-start;margin-bottom:.35em}.tarea .hecho{color:var(--tinta-tenue);text-decoration:line-through}.tabla-contenedor{overflow-x:auto;margin:1.5em 0}.tabla-contenedor table{min-width:480px}.columnas{display:flex;gap:24px;margin:1.5em 0;flex-wrap:wrap}.columna{flex:1 1;min-width:220px}.enlace-externo{word-break:break-word}.ecuacion{font-family:ui-monospace,monospace;background:var(--acento-claro);padding:12px;border-radius:8px;overflow-x:auto}.subpagina{color:var(--tinta-suave)}.texto-gray{color:#8a867e}.texto-brown{color:#8b6b4f}.texto-orange{color:#b06f2e}.texto-yellow{color:#9a7d1e}.texto-green{color:#2f6f4e}.texto-blue{color:#2c6394}.texto-purple{color:#6b4d9e}.texto-pink{color:#a8437a}.texto-red{color:#a4392f}.fondo-blue,.fondo-brown,.fondo-gray,.fondo-green,.fondo-orange,.fondo-pink,.fondo-purple,.fondo-red,.fondo-yellow{padding:1px 4px;border-radius:4px}.fondo-gray{background:#8a867e22}.fondo-brown{background:#8b6b4f22}.fondo-orange{background:#b06f2e22}.fondo-yellow{background:#9a7d1e26}.fondo-green{background:#2f6f4e22}.fondo-blue{background:#2c639422}.fondo-purple{background:#6b4d9e22}.fondo-pink{background:#a8437a22}.fondo-red{background:#a4392f22}.pie{border-top:1px solid var(--borde);padding:24px 0;color:var(--tinta-tenue);font-size:.83rem}@media (max-width:600px){h1{font-size:1.55rem}.contenedor{padding:0 16px}main{padding:28px 0 60px}.panel{padding:20px}}