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var(--borde);border-radius:var(--radio);box-shadow:var(--sombra);margin-bottom:16px;padding:18px}.grid-2>.card{margin-bottom:0}.btn{font:inherit;cursor:pointer;color:var(--texto);background:var(--superficie);border:2px solid var(--borde);border-bottom-width:4px;border-radius:14px;justify-content:center;align-items:center;gap:6px;padding:10px 16px;font-size:.95rem;font-weight:800;text-decoration:none;transition:transform 50ms,filter .15s;display:inline-flex}.btn:hover:not(:disabled){filter:brightness(.97)}.btn:active:not(:disabled){border-bottom-width:2px;margin-top:2px;transform:translateY(2px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primario{background:var(--primario);color:#fff;border-color:var(--primario-osc)}.btn-peligro{background:var(--rojo);color:#fff;border-color:#b91c1c}.btn-grande{text-transform:uppercase;letter-spacing:.04em;padding:14px 22px;font-size:1.05rem}.btn-mini{border-bottom-width:3px;border-radius:10px;padding:4px 10px;font-size:.85rem}.btn-link{color:var(--primario);font:inherit;cursor:pointer;background:0 0;border:0;padding:4px 0;font-weight:700;text-decoration:none;display:inline-block}.chip{background:var(--pista);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.78rem;font-weight:800;display:inline-flex}.chip.chip-examen{white-space:normal;max-width:100%}.chip.good{color:#15803d;background:#dcfce7}.chip.again{color:#b91c1c;background:#fee2e2}.chip.hard{color:#c2410c;background:#ffedd5}.chip.easy{color:#1d4ed8;background:#dbeafe}.chip.nueva{color:#a16207;background:#fef9c3}.chip.mir{color:#6d28d9;background:#ede9fe}@media (prefers-color-scheme:dark){.chip.good{color:#bbf7d0;background:#14532d}.chip.again{color:#fecaca;background:#7f1d1d}.chip.hard{color:#fed7aa;background:#7c2d12}.chip.easy{color:#bfdbfe;background:#1e3a8a}.chip.nueva{color:#fef08a;background:#713f12}.chip.mir{color:#ddd6fe;background:#4c1d95}}.info-caja,.exito-caja,.error-caja{border-radius:14px;padding:14px 16px;font-weight:600}.info-caja{background:color-mix(in srgb, var(--azul) 12%, var(--superficie));border:2px solid color-mix(in srgb, var(--azul) 35%, transparent)}.exito-caja{background:color-mix(in srgb, var(--verde) 12%, var(--superficie));border:2px solid color-mix(in srgb, var(--verde) 35%, transparent)}.error-caja{background:color-mix(in srgb, var(--rojo) 10%, var(--superficie));border:2px solid color-mix(in srgb, var(--rojo) 35%, transparent);white-space:pre-wrap}.cargando{color:var(--suave);justify-content:center;align-items:center;gap:10px;padding:40px;font-weight:700;display:flex}.spinner{border:3px solid var(--pista);border-top-color:var(--primario);border-radius:50%;width:22px;height:22px;animation:.8s linear infinite giro}@keyframes giro{to{transform:rotate(360deg)}}.barra{background:var(--pista);border-radius:999px;width:100%;overflow:hidden}.barra-relleno{background:var(--color);border-radius:999px;min-width:0;height:100%;transition:width .4s}.anillo{flex-shrink:0;position:relative}.anillo-centro{flex-direction:column;justify-content:center;align-items:center;line-height:1.1;display:flex;position:absolute;inset:0}.anillo-centro b{font-size:1.6rem;font-weight:900}.anillo-centro small{color:var(--suave);font-weight:700}.hero{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.hero h1{margin-bottom:4px}.hero-stats{gap:10px;display:flex}.stat-burbuja{background:var(--superficie);border:2px solid var(--borde);border-bottom-width:4px;border-radius:18px;flex-direction:column;align-items:center;min-width:84px;padding:10px 16px;line-height:1.1;display:flex}.stat-burbuja span{font-size:1.4rem}.stat-burbuja b{font-size:1.2rem;font-weight:900}.stat-burbuja small{color:var(--suave);font-size:.75rem;font-weight:700}.stat-burbuja.racha b{color:var(--naranja)}.stat-burbuja.nivel b{color:var(--primario)}.hoy-items{gap:10px;margin-bottom:14px;display:flex}.hoy-items>div{background:var(--pista);text-align:center;border-radius:14px;flex-direction:column;flex:1;padding:10px;line-height:1.15;display:flex}.hoy-items b{color:var(--primario);font-size:1.6rem;font-weight:900}.hoy-items span{color:var(--suave);font-size:.8rem;font-weight:700}.enlace-card{color:inherit;border-left:8px solid var(--color);text-decoration:none;display:block}.enlace-card:hover{transform:translateY(-2px)}.enlace-fila{color:inherit;border-bottom:1px solid var(--borde);flex-wrap:nowrap;padding:8px 0;text-decoration:none}.insignia.mini{background:var(--pista);border-radius:999px;padding:4px 10px;font-size:.85rem;font-weight:800}.grid-asig{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.asig-card{color:inherit;border-top:8px solid var(--color);text-decoration:none;transition:transform .15s;position:relative}.asig-card:hover{transform:translateY(-3px)}.asig-icono{font-size:2.4rem}.lista-temas{flex-direction:column;gap:10px;display:flex}.tema-fila{color:inherit;background:var(--superficie);border:2px solid var(--borde);border-bottom-width:4px;border-radius:16px;align-items:center;gap:14px;padding:12px 14px;text-decoration:none;display:flex}a.tema-fila:hover{border-color:var(--color)}.tema-fila.deshabilitado{opacity:.55}.tema-num{color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:42px;height:42px;font-size:1.05rem;font-weight:900;display:grid}.tema-num.grande{width:60px;height:60px;font-size:1.5rem}.tema-titulo{font-weight:800}.tema-cab{align-items:center;gap:16px;margin:8px 0 16px;display:flex}.tema-cab h1{margin-bottom:6px}.tabs{gap:6px;margin-bottom:16px;padding-bottom:4px;display:flex}.tab{font:inherit;cursor:pointer;white-space:nowrap;border:2px solid var(--borde);background:var(--superficie);color:var(--suave);border-radius:12px;padding:8px 14px;font-size:.9rem;font-weight:800}.tab.activa{background:var(--color);border-color:var(--color);color:#fff}.claves{border-color:var(--amarillo);background:color-mix(in srgb, var(--amarillo) 10%, var(--superficie))}.claves li{margin-bottom:6px}.seccion summary{cursor:pointer;align-items:center;gap:8px;list-style:none;display:flex}.seccion summary::-webkit-details-marker{display:none}.seccion summary:before{content:"▸";color:var(--color);font-weight:900;transition:transform .2s}.seccion[open] summary:before{transform:rotate(90deg)}.seccion summary h3{margin:0}.seccion[open] summary{margin-bottom:10px}.md p{margin:.4em 0}.md ul,.md ol{margin:.4em 0;padding-left:1.3em}.md li{margin:.2em 0}.md strong{color:color-mix(in srgb, var(--color) 70%, var(--texto))}.md table{border-collapse:collapse;width:100%;margin:.6em 0;font-size:.92rem}.md th,.md td{border:1px solid var(--borde);text-align:left;vertical-align:top;padding:6px 8px}.md th{background:var(--pista)}.md code{background:var(--pista);border-radius:6px;padding:1px 6px;font-size:.9em}.esquema-cab{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.esquema-cab h3{margin:0}.mermaid-box{text-align:center;overflow-x:auto}.mermaid-box svg{max-width:100%;height:auto}.modal-scroll .mermaid-box svg{width:100%;max-width:none}.tabla-scroll{overflow-x:auto}.tabla{border-collapse:separate;border-spacing:0;width:100%;font-size:.92rem}.tabla th{background:var(--color);color:#fff;text-align:left;padding:8px 10px;font-weight:800}.tabla th:first-child{border-top-left-radius:10px}.tabla th:last-child{border-top-right-radius:10px}.tabla td{border-bottom:1px solid var(--borde);vertical-align:top;padding:8px 10px}.tabla tr:nth-child(2n) td{background:color-mix(in srgb, var(--color) 5%, transparent)}.modal{z-index:100;background:#0f0a1e99;place-items:center;padding:12px;display:grid;position:fixed;inset:0}.modal-cuerpo{background:var(--superficie);border-radius:var(--radio);flex-direction:column;width:min(1400px,100%);max-height:94vh;padding:16px;display:flex}.modal-scroll{flex:1;overflow:auto}.sesion-cab{align-items:center;gap:12px;margin-bottom:12px;display:flex}.flashcard{cursor:pointer;background:var(--superficie);border:3px solid var(--color);text-align:center;border-bottom-width:7px;border-radius:24px;flex-direction:column;justify-content:center;min-height:260px;margin:12px 0 16px;padding:28px 24px;font-size:1.15rem;display:flex;position:relative}.flashcard-cara{font-size:1.25rem;font-weight:800}.flashcard-dorso{animation:.25s ease-out aparecer}.flashcard-extra{color:var(--suave);text-align:left;margin-top:12px;font-size:.95rem}.flashcard .md{text-align:inherit}.flashcard-dorso .md ul{text-align:left}.pista{color:var(--suave);font-size:.8rem;font-weight:700;position:absolute;bottom:10px;left:0;right:0}@keyframes aparecer{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.botones-srs{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px;display:grid}.btn-srs{color:#fff;flex-direction:column;gap:0;padding:10px 4px;line-height:1.2}.btn-srs small{opacity:.9;font-size:.78rem;font-weight:700}.btn-srs.again{background:var(--rojo);border-color:#b91c1c}.btn-srs.hard{background:var(--naranja);border-color:#c2410c}.btn-srs.good{background:var(--verde);border-color:var(--verde-osc)}.btn-srs.easy{background:var(--azul);border-color:#0284c7}.fin-sesion{padding:32px 20px}.fin-sesion .fila{margin:14px 0 20px}.emoji-grande{font-size:4rem;animation:.6s ease-out rebote}@keyframes rebote{0%{transform:scale(.3)}60%{transform:scale(1.15)}to{transform:scale(1)}}.lista-cartas{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-top:14px;display:grid}.mini-carta{border:2px solid var(--borde);border-radius:14px;padding:10px 12px;font-size:.9rem}.mini-carta .frente{font-weight:800}.mini-carta .dorso{color:var(--suave);border-top:1px dashed var(--borde);margin-top:6px;padding-top:6px}.enunciado{margin:8px 0 14px;font-size:1.08rem;font-weight:700}.opciones{flex-direction:column;gap:8px;display:flex}.opcion{text-align:left;font:inherit;cursor:pointer;color:inherit;background:var(--superficie);border:2px solid var(--borde);border-bottom-width:4px;border-radius:14px;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.opcion:hover:not(:disabled){border-color:var(--color)}.opcion:disabled{cursor:default}.opcion .letra{border:2px solid var(--borde);border-radius:8px;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:.85rem;font-weight:900;display:grid}.opcion.elegida{border-color:var(--azul);background:color-mix(in srgb, var(--azul) 10%, var(--superficie))}.opcion.correcta{border-color:var(--verde);background:color-mix(in srgb, var(--verde) 14%, var(--superficie))}.opcion.correcta .letra{background:var(--verde);color:#fff;border-color:var(--verde)}.opcion.incorrecta{border-color:var(--rojo);background:color-mix(in srgb, var(--rojo) 12%, var(--superficie))}.opcion.incorrecta .letra{background:var(--rojo);color:#fff;border-color:var(--rojo)}.veredicto{border-radius:12px;margin-top:14px;padding:10px 14px;font-weight:900}.veredicto.ok{background:color-mix(in srgb, var(--verde) 18%, var(--superficie));color:var(--verde-osc)}.veredicto.mal{background:color-mix(in srgb, var(--rojo) 14%, var(--superficie));color:var(--rojo)}.explicacion{background:var(--pista);border-radius:12px;margin-top:12px;padding:12px 14px;font-size:.95rem}.mapa-examen{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:6px;margin:10px 0;display:grid}.celda{font:inherit;border:2px solid var(--borde);background:var(--superficie);color:inherit;cursor:pointer;border-radius:8px;padding:6px 0;font-weight:800}.celda.hecha{background:var(--primario);color:#fff;border-color:var(--primario-osc)}.celda.actual{outline:3px solid var(--naranja)}.campo{flex-direction:column;gap:6px;margin:14px 0;font-weight:700;display:flex}.campo input:not([type=range]):not([type=checkbox]){font:inherit;border:2px solid var(--borde);background:var(--superficie);color:inherit;border-radius:12px;padding:10px 12px}input[type=range]{accent-color:var(--primario);width:100%}.check{cursor:pointer;align-items:flex-start;gap:8px;padding:5px 0;display:flex}.check input{accent-color:var(--primario);flex-shrink:0;width:18px;height:18px;margin-top:3px}.segmentado{background:var(--pista);border-radius:14px;gap:4px;margin:10px 0;padding:4px;display:flex}.segmentado button{font:inherit;cursor:pointer;color:var(--suave);background:0 0;border:0;border-radius:10px;flex:1;padding:8px;font-weight:800}.segmentado button.activa{background:var(--superficie);color:var(--primario);box-shadow:0 2px 0 var(--borde)}.mnemo{border-left:8px solid var(--color)}.mnemo-regla{background:color-mix(in srgb, var(--color) 10%, var(--superficie));border-radius:12px;margin-bottom:8px;padding:10px 14px;font-size:1.15rem;font-weight:800}.grid-enlaces{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;display:grid}.enlace-fuente{border:2px solid var(--borde);color:inherit;border-radius:14px;flex-direction:column;padding:12px 14px;text-decoration:none;display:flex}.enlace-fuente:hover{border-color:var(--color)}.grid-imagenes{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:12px;display:grid}.figura{margin:0}.figura-img{cursor:zoom-in;background:#fff;border:0;border-radius:10px;width:100%;padding:0;display:block;position:relative;overflow:hidden}.figura-img img{width:100%;display:block}.figura-lupa{color:#fff;background:#0000008c;border-radius:999px;padding:2px 8px;font-size:.85rem;position:absolute;bottom:8px;right:8px}.figura figcaption{text-align:left;margin-top:8px;font-size:.9rem;font-weight:400}.figura.compacta{max-width:620px;margin:12px auto 14px}.figura.compacta .figura-img img{object-fit:contain;max-height:360px}.figura.compacta figcaption{text-align:center}.credito{color:var(--suave);margin-top:4px;font-size:.75rem;font-weight:600;display:block}.figura-grande{background:#fff;max-width:none;margin:0 auto;display:block}.grid-kpi{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px;display:grid}.grid-kpi .card{margin:0}.kpi{text-align:center;flex-direction:column;align-items:center;line-height:1.2;display:flex}.kpi span{font-size:1.6rem}.kpi b{font-size:1.5rem;font-weight:900}.kpi small{color:var(--suave);font-weight:700}.calendario-wrap{overflow-x:auto}.calendario{grid-template-rows:repeat(7,14px);grid-auto-columns:14px;grid-auto-flow:column;gap:4px;margin-bottom:8px;display:grid}.dia{background:var(--pista);border-radius:4px;width:14px;height:14px}.dia.n1{background:#c4b5fd}.dia.n2{background:#8b5cf6}.dia.n3{background:#5b21b6}.dia.n-1{background:0 0}.barras14{align-items:flex-end;gap:6px;height:160px;display:flex}.barras14 .col{height:100%;color:var(--suave);flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:4px;font-size:.75rem;font-weight:700;display:flex}.col-barra{background:var(--primario);border-radius:6px 6px 2px 2px;width:100%;min-height:2px}.grid-insignias{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.insignia{text-align:center;border:2px solid var(--amarillo);background:color-mix(in srgb, var(--amarillo) 10%, var(--superficie));border-radius:16px;flex-direction:column;align-items:center;padding:14px 10px;line-height:1.25;display:flex}.insignia small{color:var(--suave);margin-top:4px;font-size:.75rem}.insignia-icono{font-size:2rem}.insignia.bloqueada{filter:grayscale();opacity:.5;border-color:var(--borde);background:var(--superficie)}.ranking-fila{border-radius:14px;align-items:center;gap:14px;padding:12px;display:flex}.ranking-fila.tu{background:color-mix(in srgb, var(--primario) 10%, var(--superficie));border:2px solid var(--primario)}.pos{background:var(--amarillo);color:#6b4e00;border-radius:50%;place-items:center;width:32px;height:32px;font-weight:900;display:grid}.lista-reportes{padding-left:1.2em}.lista-reportes li{margin-bottom:8px}.toasts{z-index:200;pointer-events:none;flex-direction:column;align-items:flex-end;gap:8px;display:flex;position:fixed;top:16px;left:16px;right:16px}.toast{background:var(--superficie);border:2px solid var(--borde);box-shadow:var(--sombra);border-bottom-width:4px;border-radius:14px;max-width:420px;padding:10px 16px;font-weight:800;animation:.3s aparecer}.toast-exito{border-color:var(--amarillo)}.toast-error{border-color:var(--rojo)}.mt{margin-top:10px}.acceso{place-items:center;min-height:100vh;padding:16px;display:grid}.acceso-card{width:min(420px,100%);margin:0}.acceso-card h1{text-align:center;margin-bottom:2px}.acceso-logo{text-align:center;font-size:3.2rem}.sync{color:var(--suave);align-items:center;gap:8px;margin-top:auto;padding:10px 14px;font-size:.78rem;font-weight:700;display:flex}.sync-punto{background:var(--verde);border-radius:50%;flex-shrink:0;width:9px;height:9px}.sync-guardando .sync-punto{background:var(--naranja)}.sync-error .sync-punto{background:var(--rojo)}@media (width<=760px){.sync{background:var(--superficie);border:2px solid var(--borde);z-index:60;border-radius:999px;margin:0;padding:6px;position:fixed;top:8px;right:8px}.sync-texto{display:none}}.filtro-cursos{max-width:520px;margin-bottom:20px}.bloque-curso{margin-bottom:28px}.titulo-curso{color:var(--suave);text-transform:uppercase;letter-spacing:.05em;margin:4px 0 12px;font-size:1.1rem}.titulo-chip{vertical-align:middle;margin-left:10px;font-size:.8rem}.mb{margin-bottom:10px}.dialogo{background:var(--superficie);border-radius:var(--radio);border:2px solid var(--borde);width:min(440px,100%);padding:20px;animation:.2s ease-out aparecer;box-shadow:0 12px 40px #0f0a1e4d}.dialogo h3{margin-bottom:12px}.dialogo input,.dialogo textarea,.input-corto{width:100%;font:inherit;border:2px solid var(--borde);background:var(--superficie);color:inherit;resize:vertical;border-radius:12px;padding:10px 12px}.dialogo input:focus,.dialogo textarea:focus,.input-corto:focus{border-color:var(--primario);outline:none}.dialogo-botones{justify-content:flex-end;margin-top:14px}.input-corto{width:84px;padding:8px 10px}.codigo-nuevo{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.codigo-nuevo code{font-size:1.05rem;font-weight:900}.elegir-sede{width:min(460px,100%)}.elegir-sede h2{margin-bottom:6px}.sede-opcion{padding:20px 10px}.sede-opcion .opcion-icono{font-size:2.4rem}.sede-opcion b{font-size:1.15rem}.grid-cursos{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.curso-opcion{padding:18px 10px}.curso-opcion b{font-size:1.5rem}.aviso-admin{border-color:color-mix(in srgb, var(--primario) 45%, var(--borde));background:color-mix(in srgb, var(--primario) 6%, var(--superficie))}.aviso-admin h2{margin:0}.aviso-texto{white-space:pre-wrap;margin:8px 0 0}.sede-chip{color:var(--primario);border:2px solid var(--borde);background:var(--superficie);padding:4px 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.stepper-bola{background:var(--primario);border-color:var(--primario-osc);color:#fff;box-shadow:0 0 0 5px color-mix(in srgb, var(--primario) 18%, transparent)}.stepper .hecho .stepper-bola{background:var(--verde);border-color:var(--verde-osc);color:#fff}.stepper .hecho button:hover .stepper-bola{transform:scale(1.08)}.stepper-texto{flex-direction:column;align-items:center;max-width:100%;line-height:1.2;display:flex}.stepper-texto>span{font-size:.8rem;font-weight:800}.stepper .actual .stepper-texto>span{color:var(--primario)}.stepper-texto small{color:var(--texto);text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:.72rem;font-weight:700;overflow:hidden}.paso{animation:.25s ease-out aparecer}.paso>h2,.paso>.fila>h2{margin-bottom:14px}.grid-opciones{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}.opcion-grande{text-align:center;font:inherit;color:inherit;cursor:pointer;background:var(--superficie);border:2px solid 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