:root{
  --azul:#0b4a94; --azul-osc:#0a2a5c; --azul-cla:#e3edf9; --azul-med:#2f6cc0;
  --bg:#f1f5fb; --card:#ffffff; --txt:#0f1c33; --suave:#5b6b85; --linea:#dbe4f1;
  --ok:#157a4a; --aviso:#b45309; --mal:#b3261e; --sombra:0 1px 2px rgba(10,42,92,.06),0 8px 24px -12px rgba(10,42,92,.18);
  --r:16px; --oro:#b27a00; --oro-bg:rgba(217,162,27,.16);
  /* Movimiento: curvas fuertes y duraciones cortas (la interfaz responde al instante) */
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-in-out:cubic-bezier(.77,0,.175,1);
  --dur-rapida:120ms; --dur:200ms;
  --press:.97; --press-card:.98; --toast-y:12px;
  /* Resorte suave (sobrepasa ~8% y se asienta): solo para logros */
  --ease-resorte:linear(0,.44 11%,.86 22%,1.06 34%,1.08 41%,1.03 55%,.99 70%,1);
}
/* Tema oscuro (opcional, se elige en Perfil) */
:root[data-tema="oscuro"]{--azul:#4f93e6; --azul-osc:#cfe2ff; --azul-cla:#14284a; --azul-med:#6aa6f0;
    --bg:#0a1424; --card:#101e36; --txt:#e8eefb; --suave:#9fb0cc; --linea:#1f3355;
    --ok:#4cc38a; --aviso:#f0a54a; --mal:#ff8a80; --oro:#f2c14e; --oro-bg:rgba(242,193,78,.16)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;color-scheme:light}
:root[data-tema="oscuro"]{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--txt);font:15.5px/1.5 "Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
h1,h2,h3{margin:0 0 .4em;line-height:1.2;color:var(--azul-osc)}
h1{font-size:1.75rem;font-weight:800;letter-spacing:-.025em}
h2{font-size:1.08rem;font-weight:800;letter-spacing:-.01em}
h3{font-size:.98rem;font-weight:700}
h2.sec{margin:20px 2px 8px}
a{color:var(--azul)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--azul-med);outline-offset:2px;border-radius:8px}
.boot{text-align:center;margin-top:30vh;color:var(--suave)}

/* Estructura */
.top{position:sticky;top:0;z-index:5;background:linear-gradient(180deg,var(--azul),var(--azul-osc));box-shadow:0 2px 12px rgba(10,42,92,.25);color:#fff;display:flex;align-items:center;gap:10px;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top))}
:root[data-tema="oscuro"] .top{background:linear-gradient(180deg,#17458a,#0e2d5c)}
.top .logo{font-weight:800;font-size:1.25rem;letter-spacing:-.02em}
.top .logo,.hero h1{display:flex;align-items:center;gap:10px}
.top .logo img,.hero h1 img{flex:none;display:block}
.top .logo small{font-weight:500;opacity:.8;font-size:.7rem;display:block;letter-spacing:.4px;margin-top:-2px}
.top .sp{flex:1}
.top button{background:rgba(255,255,255,.15);border:0;color:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;font-weight:700}
main{max-width:980px;margin:0 auto;padding:16px 16px 96px}
/* Entrada de pantalla: solo al cambiar de sección, nunca al refrescar la misma */
/* Los bloques entran en cascada (35ms entre uno y otro, máximo 8) */
main.entra>*{animation:entra 220ms var(--ease-out) backwards}
main.entra>:nth-child(2){animation-delay:35ms} main.entra>:nth-child(3){animation-delay:70ms}
main.entra>:nth-child(4){animation-delay:105ms} main.entra>:nth-child(5){animation-delay:140ms}
main.entra>:nth-child(6){animation-delay:175ms} main.entra>:nth-child(7){animation-delay:210ms}
main.entra>:nth-child(n+8){animation-delay:245ms}
@keyframes entra{from{opacity:0;transform:translateY(6px)}}
@keyframes aparece{from{opacity:0}}

/* Espacio inferior para que el botón de Oxi no tape el final del contenido */
main{padding-bottom:calc(88px + env(safe-area-inset-bottom))}

/* Tarjetas y formularios */
.card{background:var(--card);border:1px solid var(--linea);border-radius:var(--r);padding:14px 16px;box-shadow:var(--sombra);margin-bottom:12px}
.card.fijado{border-left:4px solid var(--azul)}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.sp{flex:1}
.muted{color:var(--suave);font-size:.88rem}
.chip{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--azul-cla);color:var(--azul);font-size:.76rem;font-weight:700;margin-right:4px}
.chip.ok{background:rgba(21,122,74,.14);color:var(--ok)} .chip.mal{background:rgba(179,38,30,.13);color:var(--mal)} .chip.av{background:rgba(180,83,9,.14);color:var(--aviso)}
label{display:block;font-size:.85rem;color:var(--suave);margin:8px 0 3px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--linea);border-radius:12px;background:var(--bg);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--azul);box-shadow:0 0 0 3px var(--azul-cla)}
textarea{min-height:80px;resize:vertical}
input[type=checkbox]{width:auto}
label.chk{display:flex;gap:8px;align-items:center;font-size:.95rem;color:var(--txt);margin:6px 0}
.btn{display:inline-block;background:var(--azul);color:#fff;border:0;border-radius:12px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none;text-align:center}
.btn:disabled{opacity:.55;cursor:default}
.btn.sec{background:var(--azul-cla);color:var(--azul)}
.btn.mal{background:rgba(179,38,30,.13);color:var(--mal)}
.btn.sm{padding:5px 10px;font-size:.84rem;border-radius:8px}
.btn.full{width:100%}
.btn.glass{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28)}
.vacio{text-align:center;color:var(--suave);padding:22px 8px;border:1.5px dashed var(--linea);border-radius:var(--r);background:transparent}
.pill-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0 12px}
.pill-tabs button{border:1px solid var(--linea);background:var(--card);border-radius:999px;padding:6px 14px;cursor:pointer}
.pill-tabs button.on{background:var(--azul);color:#fff;border-color:var(--azul)}
.banner{display:block;text-decoration:none;color:var(--txt);border-left:4px solid var(--oro);background:linear-gradient(90deg,var(--oro-bg),transparent 60%),var(--card)}
details summary{cursor:pointer;font-weight:600}

/* Respuesta al tocar: todo lo que se presiona se encoge apenas */
.btn,.top button,a.chip,a.card,.pill-tabs button,.cal-d{-webkit-tap-highlight-color:transparent}
.btn,.top button,a.chip,.pill-tabs button,.cal-d{transition:transform var(--dur-rapida) var(--ease-out)}
a.card{transition:transform var(--dur-rapida) var(--ease-out),border-color .15s ease}
.btn:active:not(:disabled),.top button:active,a.chip:active,.pill-tabs button:active,.cal-d:not(.vacio-d):active{transform:scale(var(--press))}
a.card:active{transform:scale(var(--press-card))}
@media(hover:hover) and (pointer:fine){
  .btn{transition:transform var(--dur-rapida) var(--ease-out),filter .15s ease}
  .btn:hover:not(:disabled){filter:brightness(1.08)}
  a.card:hover{border-color:var(--azul-med);transform:translateY(-1px)}
  a.card:hover:active{transform:translateY(-1px) scale(var(--press-card))}
  .cal-d:hover:not(.vacio-d){border-color:var(--azul-med)}
}

/* Login */
.login{max-width:420px;margin:0 auto;padding:28px 16px}
.hero{background:radial-gradient(120% 140% at 100% 0%,#2f6cc0 0%,transparent 55%),linear-gradient(135deg,var(--azul),var(--azul-osc));color:#fff;border-radius:20px;padding:24px 20px;margin-bottom:14px}
:root[data-tema="oscuro"] .hero{background:radial-gradient(120% 140% at 100% 0%,#2a5fae 0%,transparent 55%),linear-gradient(135deg,#17458a,#0c2347)}
.hero h1{color:#fff;font-size:1.9rem;margin:0;letter-spacing:-.03em}
.hero p{margin:.3em 0 0;opacity:.9}

/* Portada de Inicio */
.hero-in{background:radial-gradient(120% 140% at 100% 0%,#2f6cc0 0%,transparent 55%),linear-gradient(135deg,var(--azul),var(--azul-osc));color:#fff;border-radius:20px;padding:18px 18px 12px;margin-bottom:14px;box-shadow:0 12px 30px -14px rgba(10,42,92,.55)}
:root[data-tema="oscuro"] .hero-in{background:radial-gradient(120% 140% at 100% 0%,#2a5fae 0%,transparent 55%),linear-gradient(135deg,#17458a,#0c2347)}
.hero-top{display:flex;gap:12px;align-items:flex-start;justify-content:space-between}
.hero-in h1{color:#fff;margin:0}
.hero-in p{margin:2px 0 0;opacity:.85;font-size:.9rem}
.hero-in h2{color:#fff;font-size:.95rem;margin:16px 0 4px;opacity:.95}
.hero-vacio{margin:6px 0 4px!important;opacity:.9}

/* Horario */
.dia{padding:0;overflow:hidden}
.dia h3{margin:0;padding:10px 14px;background:var(--azul);color:#fff;display:flex;justify-content:space-between;font-weight:800}
.dia.hoy h3{background:var(--azul-osc)}
:root[data-tema="oscuro"] .dia h3,:root[data-tema="oscuro"] .dia.hoy h3{color:#fff} :root[data-tema="oscuro"] .dia.hoy h3{background:#1d5fb8}
.bloque{display:flex;gap:10px;padding:9px 14px;border-top:1px solid var(--linea)}
.bloque:first-of-type{border-top:0}
.bloque .h{min-width:92px;font-variant-numeric:tabular-nums;color:var(--suave);font-size:.84rem;padding-top:2px}
.bloque b{display:block}
.t-T{border-left:4px solid var(--azul)} .t-P{border-left:4px solid var(--ok)} .t-S{border-left:4px solid var(--aviso)} .t-R{border-left:4px solid #7a3fb0} .t-C{border-left:4px solid var(--azul-med)}
.bloque.t-T{background:linear-gradient(90deg,rgba(11,74,148,.07),transparent 55%)}
.bloque.t-P{background:linear-gradient(90deg,rgba(21,122,74,.08),transparent 55%)}
.bloque.t-S{background:linear-gradient(90deg,rgba(180,83,9,.08),transparent 55%)}
.bloque.t-R{background:linear-gradient(90deg,rgba(122,63,176,.08),transparent 55%)}
.hero-in .bloque{border-top:1px solid rgba(255,255,255,.18);padding:9px 0;background:none!important}
.hero-in .bloque .h{color:rgba(255,255,255,.78)} .hero-in .bloque small{color:rgba(255,255,255,.72)}
.hero-in .bloque.t-T,.hero-in .bloque.t-P,.hero-in .bloque.t-S,.hero-in .bloque.t-R,.hero-in .bloque.t-C{border-left:0;padding-left:0}
.leyenda span{margin-right:10px;font-size:.8rem;color:var(--suave)}

/* Pomodoro */
.pomo{text-align:left}
.pomo .pill-tabs button{padding:6px 10px;font-size:.8rem;font-weight:700}
.reloj{font-size:3.4rem;font-weight:800;text-align:center;color:var(--azul-osc);font-variant-numeric:tabular-nums;margin:6px 0}
.barra{height:10px;background:var(--azul-cla);border-radius:99px;overflow:hidden}
.barra i{display:block;height:100%;background:var(--azul);transition:width 250ms var(--ease-out)}
.ring-box{position:relative;width:min(230px,70vw);aspect-ratio:1;margin:6px auto 4px}
.ring-box>svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--azul-cla);stroke-width:10}
.ring-fg{fill:none;stroke:var(--azul);stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset .25s linear}
.pomo.descanso .ring-fg{stroke:var(--ok)}
.ring-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-txt .reloj{font-size:2.9rem;margin:0;letter-spacing:-.03em;line-height:1}
.dots{display:flex;align-items:center;justify-content:center;gap:6px;margin:6px 0 4px}
.dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--azul-med);display:inline-block}
.dot.ok{background:var(--azul);border-color:var(--azul)} .dot.act{box-shadow:0 0 0 3px var(--azul-cla)}
.meta{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid var(--linea)}
.meta.hecha span{text-decoration:line-through;color:var(--suave)}
.meta span{flex:1}
.meta span{transition:color var(--dur) ease}
/* Meta cumplida: el check salta una vez */
.meta.logro input{animation:logro 420ms var(--ease-out)}
@keyframes logro{0%{transform:scale(.85)}45%{transform:scale(1.18)}100%{transform:scale(1)}}
/* Sesión de foco terminada: el anillo late una vez */
.ring-box.celebra{animation:pulso 650ms var(--ease-resorte)}
@keyframes pulso{0%{transform:scale(.96)}100%{transform:scale(1)}}
/* «¿Cómo llegas hoy?» en Inicio */
.animo h2{margin:0;font-size:1.05rem}
.animo .muted{margin:2px 0 0;font-size:.82rem}
.animo-cab{display:flex;align-items:center;gap:12px}
.animo-cab .oxi-mini{width:56px}
.animo-ops{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.animo-op{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border:1px solid var(--linea);border-radius:14px;background:var(--bg);color:var(--txt);font:inherit;font-size:.86rem;font-weight:700;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out),border-color .15s ease}
.animo-op:active{transform:scale(var(--press))}
.animo-op.on{border-color:var(--azul);box-shadow:0 0 0 2px var(--azul-cla)}
.animo-op .ad{width:18px;height:18px}
.ad{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--linea);flex:none;vertical-align:-1px}
.ad.verde{background:var(--ok)} .ad.amarillo{background:var(--oro)} .ad.rojo{background:var(--mal)}
.animo.recien .animo-cab{animation:aparece 220ms var(--ease-out)}
.animo-msg{margin:0 0 8px;font-weight:600}
.animo-apoyo{margin:12px 0 0;padding:10px 12px;border-radius:12px;background:var(--azul-cla);color:var(--txt);font-size:.88rem;line-height:1.45}
.animo-pie{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.88rem;font-weight:700}
.animo.recien .animo-pie{margin-top:12px;padding-top:10px;border-top:1px solid var(--linea)}
.animo-sem{display:flex;gap:4px;margin-left:auto}
.animo-sem .ad{width:9px;height:9px}
button.link{border:0;background:none;padding:6px 2px;color:var(--azul);font:inherit;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* Oxi junto al reloj del pomodoro */
.pomo-oxi{position:absolute;right:-10%;bottom:-6%;width:36%;pointer-events:none}
.pomo-oxi svg{display:block;width:100%;height:auto;filter:drop-shadow(0 6px 8px rgba(10,42,92,.22))}
.pomo-oxi.cambia svg{animation:oxi-cambia 220ms var(--ease-out)}
@keyframes oxi-cambia{from{opacity:.4;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
/* En foco se mece despacio, como leyendo (la pose «pensando» ya trae su globito) */
.pomo-oxi.foco svg{transform-origin:50% 90%;animation:oxi-lee 2.6s ease-in-out infinite}
@keyframes oxi-lee{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}
/* Bloque terminado: salta, brilla y lo dice */
.pomo-oxi.celebra svg{animation:oxi-salto 300ms var(--ease-out)}
@keyframes oxi-salto{0%{transform:translateY(0) scale(.94)}55%{transform:translateY(-14%) scale(1.06)}100%{transform:translateY(0) scale(1)}}
.pomo-oxi.celebra::before{content:"";position:absolute;inset:-18%;border-radius:50%;background:radial-gradient(circle,rgba(242,193,78,.55) 0%,rgba(189,243,255,.35) 45%,transparent 70%);opacity:0;animation:oxi-brillo 1.1s ease-out}
@keyframes oxi-brillo{0%{opacity:0;transform:scale(.6)}25%{opacity:1}100%{opacity:0;transform:scale(1.25)}}
.pomo-burbuja{position:absolute;right:-10%;bottom:98%;white-space:nowrap;background:var(--card);color:var(--azul-osc);border:1px solid var(--linea);border-radius:12px 12px 4px 12px;padding:4px 9px;font-size:.78rem;font-weight:800;box-shadow:0 4px 12px -4px rgba(10,42,92,.3);animation:oxi-burbuja 220ms var(--ease-out) 120ms both}
@keyframes oxi-burbuja{from{opacity:0;transform:translateY(6px) scale(.9)}to{opacity:1;transform:none}}
:root[data-tema="oscuro"] .pomo-burbuja{color:var(--txt)}
/* Batería de Oxi: 4 bloques de foco al día */
.bateria{display:flex;align-items:center;justify-content:center;gap:8px;margin:10px 0 2px;font-size:.82rem;font-weight:700;color:var(--suave)}
.bat-cuerpo{position:relative;display:flex;gap:3px;padding:3px;width:62px;height:22px;border:2px solid var(--azul-med);border-radius:6px}
.bat-cuerpo::after{content:"";position:absolute;right:-6px;top:50%;width:4px;height:9px;margin-top:-4.5px;border-radius:0 2px 2px 0;background:var(--azul-med)}
.bat-cuerpo i{flex:1;border-radius:2px;background:var(--azul-cla)}
.bat-cuerpo i.on{background:var(--azul)}
.bat-cuerpo i.nueva{transform-origin:left;animation:bat-raya 300ms var(--ease-out) 250ms both}
@keyframes bat-raya{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.bateria.llena{color:var(--ok)}
.bateria.llena .bat-cuerpo{border-color:var(--ok)} .bateria.llena .bat-cuerpo::after{background:var(--ok)}
.bateria.llena .bat-cuerpo i.on{background:var(--ok)}
.bateria.carga .bat-cuerpo{animation:bat-brillo 900ms ease-out 450ms both}
@keyframes bat-brillo{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--ok) 55%,transparent)}100%{box-shadow:0 0 0 10px transparent}}
/* Secciones plegables: el contenido aparece al abrirlas */
details.abre>:not(summary){animation:entra 220ms var(--ease-out)}
details>summary{transition:color .15s ease}
/* Día del calendario: el detalle aparece suave */
.cal-det{animation:aparece 160ms ease-out}

/* Estadísticas */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tile{background:var(--bg);border:1px solid var(--linea);border-radius:12px;padding:10px 10px 8px}
.tile b{display:block;font-size:1rem;font-weight:800;letter-spacing:-.02em;color:var(--azul-osc);line-height:1.2}
.tile span{font-size:.72rem;color:var(--suave);font-weight:600}
.tile.racha{background:var(--oro-bg);border-color:transparent}
.tile.racha b{color:var(--oro)}
.bars{display:flex;gap:8px;height:150px;align-items:stretch}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;min-width:0}
.bar-v{height:16px;font-size:.66rem;font-weight:700;color:var(--suave);white-space:nowrap}
.bar-t{flex:1;width:100%;display:flex;align-items:flex-end;border-bottom:1px solid var(--linea)}
.bar-t i{display:block;width:100%;min-height:3px;border-radius:6px 6px 2px 2px;background:color-mix(in srgb,var(--azul) 38%,var(--card));transition:height 250ms var(--ease-out)}
.bar-t i.hoy{background:var(--azul)}
.bar-l{font-size:.74rem;font-weight:700;color:var(--suave);margin-top:4px} .bar-l.hoy{color:var(--azul)}
.hm{display:grid;grid-template-columns:minmax(84px,1.1fr) 2fr auto;gap:10px;align-items:center;margin:8px 0;font-size:.88rem}
.hm-n{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.hm-t{height:8px;border-radius:99px;background:var(--azul-cla);overflow:hidden}
.hm-t i{display:block;height:100%;border-radius:99px;background:var(--azul)}
.hm b{font-size:.82rem;color:var(--azul-osc);white-space:nowrap}

/* Materias, videos y tablas */
.prel{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0}
.yt{position:relative;padding-top:56.25%;border-radius:10px;overflow:hidden;margin-top:8px;background:#000}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
table.t{width:100%;border-collapse:collapse;font-size:.92rem}
table.t th,table.t td{padding:7px 6px;border-bottom:1px solid var(--linea);text-align:left}

/* Aviso flotante: entra en 200ms y sale más rápido (150ms) */
#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(var(--toast-y));background:var(--azul-osc);color:#fff;padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity 150ms var(--ease-out),transform 150ms var(--ease-out);z-index:20;max-width:90vw;text-align:center}
:root[data-tema="oscuro"] #toast{background:#e8eefb;color:#0a1424}
#toast.on{opacity:1;transform:translateX(-50%);transition-duration:var(--dur)}
.aviso-legal{font-size:.75rem;color:var(--suave);text-align:center;margin-top:18px}

/* Calendario de evaluaciones */
.cal-top{display:flex;gap:6px;align-items:center;margin-bottom:8px}
.cal-g{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.cal-dow{text-align:center;font-size:.72rem;font-weight:700;color:var(--suave);padding:2px 0}
.cal-d{min-height:62px;border:1px solid var(--linea);border-radius:10px;background:var(--bg);padding:3px 4px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:2px;overflow:hidden}
.cal-d.vacio-d{background:transparent;border-color:transparent;cursor:default}
.cal-d.hoy{border-color:var(--azul);box-shadow:0 0 0 1px var(--azul) inset}
.cal-d.sel{background:var(--azul-cla);border-color:var(--azul)}
.cal-n{font-size:.78rem;font-weight:600;color:var(--txt)}
.cal-d.hoy .cal-n{color:var(--azul)}
.cal-e,.cal-mas{font-style:normal;font-size:.62rem;line-height:1.25;padding:1px 4px;border-radius:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.cal-mas{color:var(--suave)}
.t-parcial{background:rgba(11,74,148,.16);color:var(--azul)} .t-entrega{background:rgba(180,83,9,.16);color:var(--aviso)}
.t-practica{background:rgba(21,122,74,.16);color:var(--ok)} .t-seminario{background:rgba(122,63,176,.16);color:#7a3fb0} .t-otro{background:rgba(91,107,133,.18);color:var(--suave)}
.t-quiz{background:rgba(14,116,144,.16);color:#0e7490}
.cal-pt{display:inline-block;width:9px;height:9px;border-radius:50%;vertical-align:middle}
.cal-pt.t-parcial{background:var(--azul)} .cal-pt.t-entrega{background:var(--aviso)} .cal-pt.t-practica{background:var(--ok)} .cal-pt.t-seminario{background:#7a3fb0} .cal-pt.t-otro{background:var(--suave)} .cal-pt.t-quiz{background:#0e7490}
.cal-det{margin-top:10px;padding-top:10px;border-top:1px solid var(--linea)}
@media(max-width:560px){
  .cal-d{min-height:46px;align-items:center;padding:3px 1px;flex-direction:row;flex-wrap:wrap;justify-content:center;align-content:flex-start;gap:2px}
  .cal-e,.cal-mas{font-size:0;padding:0;width:7px;height:7px;border-radius:50%;display:inline-block}
  .cal-n{flex:0 0 100%;text-align:center}
  .cal-e.t-parcial{background:var(--azul)} .cal-e.t-entrega{background:var(--aviso)} .cal-e.t-practica{background:var(--ok)} .cal-e.t-seminario{background:#7a3fb0} .cal-e.t-otro{background:var(--suave)} .cal-e.t-quiz{background:#0e7490}
}

/* ===== Oxi: mascota y asistente ===== */
/* Pantalla de entrada */
.hero{display:flex;align-items:flex-end;gap:6px}
.hero-txt{flex:1;min-width:0}
.oxi-hero{width:92px;height:auto;flex:none;margin:-10px -6px -16px 0;filter:drop-shadow(0 0 1.2px rgba(255,255,255,.95)) drop-shadow(0 6px 10px rgba(5,20,45,.35))}
/* Estados vacíos */
.oxi-vacio{display:flex;align-items:center;gap:12px;text-align:left}
.oxi-vacio p{margin:0 0 8px}
.oxi-mini{width:64px;height:auto;flex:none}
/* Botón flotante: sobre la barra inferior en el teléfono */
#oxi-fab{position:fixed;right:14px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:15;width:56px;height:56px;padding:0;border:0;border-radius:50%;background:none;cursor:pointer;box-shadow:0 6px 18px -4px rgba(10,42,92,.45);-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
#oxi-fab:active{transform:scale(var(--press))}
#oxi-fab .oxi-cara,#oxi-fab svg{display:block}
#oxi-fab.feliz .oxi-cara{animation:pulso 650ms var(--ease-resorte)}
.oxi-punto{position:absolute;top:-2px;right:-2px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--oro);color:#1b1300;font-size:.72rem;font-weight:800;line-height:20px;text-align:center;box-shadow:0 0 0 2px var(--bg)}
:root[data-tema="oscuro"] .oxi-punto{color:#1b1300}
@media(min-width:760px){#oxi-fab{right:24px;bottom:24px}}
/* Panel: hoja inferior en el teléfono, tarjeta flotante en la computadora */
#oxi-capa{position:fixed;inset:0;z-index:30}
#oxi-capa[hidden]{display:none}
.oxi-fondo{position:absolute;inset:0;background:rgba(10,20,36,.42);opacity:0;transition:opacity 200ms ease}
#oxi-panel{position:absolute;left:0;right:0;bottom:0;max-height:min(82vh,640px);display:flex;flex-direction:column;background:var(--card);color:var(--txt);border-radius:20px 20px 0 0;box-shadow:0 -10px 40px -12px rgba(10,42,92,.4);padding-bottom:env(safe-area-inset-bottom);transform:translateY(100%);transition:transform 200ms var(--ease-out)}
#oxi-capa.abierto .oxi-fondo{opacity:1}
#oxi-capa.abierto #oxi-panel{transform:none;transition-duration:280ms;transition-timing-function:cubic-bezier(.32,.72,0,1)}
html.oxi-abierto{overflow:hidden}
@media(min-width:760px){
  .oxi-fondo{background:transparent}
  #oxi-panel{left:auto;right:24px;bottom:92px;width:380px;max-height:min(70vh,600px);border:1px solid var(--linea);border-radius:20px;box-shadow:0 18px 50px -14px rgba(10,42,92,.45);transform:translateY(8px) scale(.97);transform-origin:bottom right;opacity:0;transition:transform 150ms var(--ease-out),opacity 150ms var(--ease-out)}
  #oxi-capa.abierto #oxi-panel{transform:none;opacity:1;transition-duration:200ms;transition-timing-function:var(--ease-out)}
  html.oxi-abierto{overflow:auto}
}
.oxi-cab{display:flex;align-items:center;gap:10px;padding:12px 12px 10px 14px;border-bottom:1px solid var(--linea)}
.oxi-cab svg{display:block}
.oxi-cab h2{margin:0;font-size:1rem}
.oxi-cab small{color:var(--suave);font-size:.78rem}
.oxi-x{width:40px;height:40px;border:0;border-radius:50%;background:var(--azul-cla);color:var(--azul);font-size:1rem;cursor:pointer;transition:transform var(--dur-rapida) var(--ease-out)}
.oxi-x:active{transform:scale(var(--press))}
#oxi-msgs{flex:1;overflow-y:auto;padding:12px 12px 4px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.oxi-m{display:flex;gap:8px;align-items:flex-end;max-width:94%;animation:oxi-msg 200ms var(--ease-out)}
@keyframes oxi-msg{from{opacity:0;transform:translateY(6px)}}
.oxi-m.yo{align-self:flex-end;flex-direction:row-reverse}
.oxi-m-cara svg{display:block}
.oxi-burbuja{background:var(--bg);border:1px solid var(--linea);border-radius:16px 16px 16px 4px;padding:9px 12px;font-size:.93rem;line-height:1.45;overflow-wrap:anywhere}
.oxi-m.yo .oxi-burbuja{background:var(--azul);border-color:var(--azul);color:#fff;border-radius:16px 16px 4px 16px}
:root[data-tema="oscuro"] .oxi-m.yo .oxi-burbuja{background:#1d5fb8;border-color:#1d5fb8}
.oxi-burbuja small{color:var(--suave)}
.oxi-lista{margin:6px 0 0;padding-left:18px}
.oxi-lista li{margin:3px 0}
.oxi-lista ul{margin:2px 0;padding-left:16px}
.oxi-opc{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.oxi-opc .btn{border-radius:999px}
.oxi-opc .btn:disabled{opacity:.5}
#oxi-form{display:flex;gap:8px;padding:10px 12px 12px;border-top:1px solid var(--linea)}
#oxi-txt{flex:1;font-size:16px}
.oxi-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* ===== Menú lateral: botón de 3 líneas junto al logo (teléfono y computadora) ===== */
/* Ancho fijo y sin encogerse: en algunos teléfonos el botón se aplastaba y las líneas desaparecían */
.top .b-menu{flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:40px;min-width:40px;height:40px;margin-left:-6px;padding:0;border-radius:12px;background:transparent;-webkit-appearance:none;appearance:none}
.b-menu span{display:block;flex:none;width:20px;height:2px;border-radius:2px;background:#fff}
@media(hover:hover) and (pointer:fine){.top .b-menu:hover{background:rgba(255,255,255,.15)}}
#menu-capa{position:fixed;inset:0;z-index:40}
#menu-capa[hidden]{display:none}
.menu-fondo{position:absolute;inset:0;background:rgba(10,20,36,.45);opacity:0;transition:opacity 200ms ease}
#menu-lateral{position:absolute;top:0;bottom:0;left:0;width:min(300px,84vw);display:flex;flex-direction:column;background:var(--card);box-shadow:12px 0 40px -16px rgba(10,42,92,.45);transform:translateX(-100%);transition:transform 200ms var(--ease-out);overflow-y:auto;overscroll-behavior:contain}
#menu-capa.abierto .menu-fondo{opacity:1}
#menu-capa.abierto #menu-lateral{transform:none;transition-duration:280ms;transition-timing-function:cubic-bezier(.32,.72,0,1)}
html.menu-abierto{overflow:hidden}
.menu-cab{display:flex;align-items:center;gap:10px;padding:calc(14px + env(safe-area-inset-top)) 12px 14px 16px;background:linear-gradient(180deg,var(--azul),var(--azul-osc));color:#fff}
:root[data-tema="oscuro"] .menu-cab{background:linear-gradient(180deg,#17458a,#0e2d5c)}
.menu-cab img{display:block;flex:none}
.menu-cab b{flex:1;font-size:1.15rem;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.menu-cab small{display:block;font-weight:500;font-size:.7rem;opacity:.8;letter-spacing:.4px}
.menu-x{width:40px;height:40px;border:0;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;font-size:1rem;cursor:pointer;transition:transform var(--dur-rapida) var(--ease-out)}
.menu-lista{flex:1;display:flex;flex-direction:column;padding:6px 10px 12px}
.menu-grupo{margin:14px 10px 4px;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--suave)}
.menu-lista a{display:flex;align-items:center;gap:12px;min-height:46px;padding:0 12px;border-radius:12px;color:var(--txt);text-decoration:none;font-weight:600;-webkit-tap-highlight-color:transparent;transition:background-color .15s ease,color .15s ease,transform var(--dur-rapida) var(--ease-out)}
.menu-lista a span{display:flex;color:var(--suave)}
.menu-lista a.on{background:var(--azul-cla);color:var(--azul);font-weight:700}
.menu-lista a.on span{color:var(--azul)}
.menu-lista a:active,.menu-x:active,.b-menu:active{transform:scale(var(--press))}
.menu-pie{margin-top:auto;padding-top:10px;border-top:1px solid var(--linea)}
@media(hover:hover) and (pointer:fine){.menu-lista a:not(.on):hover{background:var(--bg)}}

/* Movimiento reducido: sin desplazamientos ni escalas, pero se conservan los fundidos */
/* Estudio: ¿a qué le dedico más tiempo esta semana? (js/prioridades.js) */
.prio-horas{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0 2px}
.prio-horas label{margin:0} .prio-horas input{width:84px}
.prio-res{grid-template-columns:1fr 1fr;margin:10px 0 4px} .prio-res span{display:block} .prio-res b{font-size:1.1rem;margin:2px 0}
.prio-fila{padding:12px 0;border-top:1px solid var(--linea)} .prio-lista{margin-top:8px}
.prio-cab{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.prio-num{font-variant-numeric:tabular-nums;color:var(--azul);white-space:nowrap;font-size:.9rem}
.prio-barra{height:10px;background:linear-gradient(90deg,transparent calc(25% - 1px),var(--card) 0 25%,transparent 0 calc(50% - 1px),var(--card) 0 50%,transparent 0 calc(75% - 1px),var(--card) 0 75%,transparent 0),var(--azul-cla);border-radius:99px;overflow:hidden;margin:7px 0 9px}
.prio-barra i{display:block;height:100%;background:var(--azul);border-radius:99px;transform-origin:left;transition:transform var(--dur) var(--ease-out)}
.prio-pie{display:flex;align-items:center;justify-content:space-between;gap:10px} .prio-pie .btn{flex:none}
.prio-ex{flex:1 1 auto;min-width:0;font-size:.84rem;color:var(--suave)} .prio-ex.pronto{color:var(--azul);font-weight:700}
.prio-conf{display:flex;align-items:center;gap:4px;margin-top:8px} .prio-conf small{color:var(--suave);font-size:.78rem;margin-right:4px}
.prio-conf button{width:34px;height:34px;border-radius:9px;border:1px solid var(--linea);background:var(--card);color:var(--suave);font-weight:700;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
.prio-conf button:active{transform:scale(var(--press))}
.prio-conf button.on{background:var(--azul);border-color:var(--azul);color:#fff}
/* Inicio: pregunta del día (js/trivia.js) */
.trivia h2{margin:0;font-size:1.05rem}
.tv-top{display:flex;align-items:center;gap:10px} .tv-top .oxi-mini{width:44px} .tv-top h2{flex:1}
.tv-dots{display:flex;gap:5px} .tv-dots .ad.act{background:var(--azul)}
.tv-preg{margin-top:10px} .tv-preg+.tv-preg{padding-top:12px;border-top:1px solid var(--linea)}
.tv-cab{display:flex;align-items:center;justify-content:space-between;gap:8px}
.tv-q{margin:8px 0 10px;font-weight:700;line-height:1.35}
.tv-ops{display:grid;gap:8px}
.tv-op{text-align:left;padding:11px 14px;border:1px solid var(--linea);border-radius:12px;background:var(--bg);color:var(--txt);font:inherit;font-size:.92rem;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
.tv-op:active:not(:disabled){transform:scale(var(--press))}
.tv-op:disabled{cursor:default}
.tv-op.ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 13%,var(--card));color:var(--txt);font-weight:700}
.tv-op.mal{border-color:var(--mal);background:color-mix(in srgb,var(--mal) 11%,var(--card))}
.tv-res{margin:10px 0 0;padding:10px 12px;border-radius:12px;background:var(--azul-cla);font-size:.88rem;line-height:1.45;animation:aparece 220ms var(--ease-out)}
.tv-res.ok b{color:var(--ok)} .tv-res.mal b{color:var(--mal)}
.tv-pie{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;flex-wrap:wrap}
.tv-pie .chip{margin:0 0 0 auto}
.tv-fin{display:flex;align-items:center;gap:12px} .tv-fin .oxi-mini{width:56px}
.tv-total{margin:2px 0 0} .tv-fin .muted{margin:2px 0 0;font-size:.82rem}
/* Botón y panel de la pregunta del día: a la izquierda, espejo de Oxi */
#tv-fab{position:fixed;left:14px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:15;width:52px;height:52px;padding:0;border:0;border-radius:50%;background:var(--azul);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 18px -4px rgba(10,42,92,.45);-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
#tv-fab:active{transform:scale(var(--press))}
#tv-fab.hecha{background:var(--card);color:var(--azul);border:1px solid var(--linea)}
#tv-capa{position:fixed;inset:0;z-index:30} #tv-capa[hidden]{display:none}
#res-go[hidden]{display:none}
#tv-panel{position:absolute;left:0;right:0;bottom:0;max-height:min(82vh,640px);overflow:auto;background:var(--card);color:var(--txt);border-radius:20px 20px 0 0;box-shadow:0 -10px 40px -12px rgba(10,42,92,.4);padding-bottom:env(safe-area-inset-bottom);transform:translateY(100%);transition:transform 200ms var(--ease-out)}
#tv-capa.abierto .oxi-fondo{opacity:1}
#tv-capa.abierto #tv-panel{transform:none;transition-duration:280ms;transition-timing-function:cubic-bezier(.32,.72,0,1)}
#tv-panel .trivia{border:0;box-shadow:none;margin:0;background:transparent}
#tv-panel .tv-top,#tv-panel .tv-fin{padding-right:52px}
.tv-x{position:absolute;top:12px;right:12px;z-index:1}
html.tv-abierto{overflow:hidden}
@media(min-width:760px){
  #tv-fab{left:24px;bottom:24px}
  #tv-panel{right:auto;left:24px;bottom:88px;width:400px;max-height:min(72vh,620px);border:1px solid var(--linea);border-radius:20px;box-shadow:0 18px 50px -14px rgba(10,42,92,.45);transform:translateY(8px) scale(.97);transform-origin:bottom left;opacity:0;transition:transform 150ms var(--ease-out),opacity 150ms var(--ease-out)}
  #tv-capa.abierto #tv-panel{transform:none;opacity:1;transition-duration:200ms;transition-timing-function:var(--ease-out)}
  html.tv-abierto{overflow:auto}
}
/* Perfil: mis logros (js/logros.js) */
.logros h2{display:flex;align-items:center;gap:8px} .logros h2 .chip{margin:0}
.ins-lista{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.ins{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--linea);border-radius:14px;background:var(--bg)}
.ins-medalla{position:relative;flex:none;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--linea);color:var(--suave)}
.ins-medalla b{position:absolute;right:-4px;bottom:-4px;min-width:22px;height:20px;padding:0 5px;border-radius:999px;background:var(--card);border:1px solid var(--linea);color:var(--suave);font-size:.68rem;font-weight:800;line-height:18px;text-align:center}
.ins-txt{display:flex;flex-direction:column;min-width:0} .ins-txt b{font-size:.92rem} .ins-txt small{color:var(--suave);font-size:.78rem;line-height:1.3}
.ins:not(.ganada) .ins-txt b{color:var(--suave)}
.ins.ganada{background:var(--card);border-color:color-mix(in srgb,var(--azul) 35%,var(--linea))}
.ins.ganada .ins-medalla{background:var(--azul);color:#fff;box-shadow:0 0 0 3px var(--azul-cla)}
.ins.ganada .ins-medalla b{background:var(--oro);border-color:var(--oro);color:#1b1300}
/* Pausa (js/vistas/pausa.js) */
.pausa-ops{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.pausa-op{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;font:inherit;color:var(--txt);cursor:pointer;margin:0;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out),border-color .15s ease}
.pausa-op:active{transform:scale(var(--press))}
.pausa-op.on{border-color:var(--azul);box-shadow:0 0 0 2px var(--azul-cla)}
.pausa-op small{color:var(--suave);font-size:.84rem;line-height:1.35}
.pausa-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--azul-cla);color:var(--azul);margin-bottom:4px}
#juego{margin-top:12px;scroll-margin-top:90px}
.juego-cab{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px} .juego-cab h2{margin:0}
.mem-tablero{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
@media(max-width:520px){.mem-tablero{grid-template-columns:repeat(2,1fr)}}
.mem-carta{display:grid;place-items:center;text-align:center;min-height:84px;padding:8px;border:1px solid var(--linea);border-radius:12px;background:var(--azul);color:#fff;font:inherit;font-size:.86rem;font-weight:700;line-height:1.25;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
.mem-carta span{grid-area:1/1;opacity:0;transition:opacity 150ms ease}
.mem-carta::before{grid-area:1/1;content:"?";font-size:1.4rem;opacity:.55}
.mem-carta.vista{background:var(--card);color:var(--txt);border-color:var(--azul)} .mem-carta.vista::before{content:none} .mem-carta.vista span{opacity:1}
.mem-carta.par{background:color-mix(in srgb,var(--ok) 13%,var(--card));border-color:var(--ok);cursor:default}
.mem-carta:active:not(.vista){transform:scale(var(--press))}
#mem-fin{min-height:1.2em}
.pal-grid{display:grid;gap:6px;justify-content:center;margin:4px 0 10px}
.pal-fila{display:grid;grid-template-columns:repeat(5,46px);gap:6px}
.pal-l{display:inline-grid;place-items:center;width:46px;height:46px;border:1.5px solid var(--linea);border-radius:10px;font-weight:800;font-size:1.2rem;background:var(--bg)}
.pal-l.si{background:var(--ok);border-color:var(--ok);color:#fff} .pal-l.casi{background:var(--oro);border-color:var(--oro);color:#1b1300} .pal-l.no{background:var(--suave);border-color:var(--suave);color:var(--card)}
.pal-ley{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;font-size:.8rem} .pal-ley .pal-l{width:22px;height:22px;font-size:.7rem;border-radius:6px}
.pal-fin{text-align:center}
.res-zona{position:relative;height:230px;display:grid;place-items:center;margin:6px 0 12px}
.res-circulo{position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,var(--azul-med),var(--azul));opacity:.9;transform:scale(.5);transition:transform 4s ease-in-out}
.res-circulo.crece{transform:scale(1)}
.res-txt{position:relative;color:#fff;font-size:1.15rem}
.pausa-link{display:block;margin:10px 0 0}
/* Biblioteca (js/vistas/biblioteca.js): estante de portadas, ficha y propuesta */
.bib-filtros{margin:6px 0 4px} .bib-filtros .row{margin-top:8px} .bib-filtros .pill-tabs{margin:0}
.bib-buscar{position:relative} .bib-buscar svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--suave)}
.bib-buscar input{padding-left:40px;background:var(--card)} #bib-mat{width:auto;flex:1 1 170px;background:var(--card)}
.bib-cab{margin:16px 2px 10px}
.estante{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:20px 14px}
.estante>.vacio{grid-column:1/-1}
.estante.fila{grid-auto-flow:column;grid-auto-columns:104px;grid-template-columns:none;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 8px;margin:0 -2px 6px;scrollbar-width:none}
.estante.fila::-webkit-scrollbar{display:none} .estante.fila .libro{scroll-snap-align:start}
@media(min-width:720px){.estante{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:24px 20px}.estante.fila{grid-auto-columns:132px}}
.libro{display:block;width:100%;min-width:0;padding:0;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-rapida) var(--ease-out)}
.libro:active{transform:scale(var(--press))}
.libro>b{margin-top:8px;font-size:.86rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.libro>.portada{width:100%}
.libro>small{display:block;color:var(--suave);font-size:.76rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.portada{position:relative;aspect-ratio:2/3;border-radius:3px 9px 9px 3px;overflow:hidden;container-type:inline-size;background:linear-gradient(160deg,var(--c1),var(--c2));box-shadow:0 1px 2px rgba(10,42,92,.18),0 10px 22px -10px rgba(10,42,92,.45);transition:transform var(--dur) var(--ease-out)}
.portada::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.28) 0,rgba(255,255,255,.16) 4%,rgba(0,0,0,.06) 7%,transparent 12%),linear-gradient(180deg,rgba(255,255,255,.12),transparent 40%)}
.portada img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:var(--card)}
.portada-gen{position:absolute;inset:0;display:flex;flex-direction:column;padding:12cqw 10cqw 10cqw 15cqw;color:#fff}
.portada-gen small{font-size:6.5cqw;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.82;padding-bottom:5cqw;margin-bottom:6cqw;border-bottom:1px solid rgba(255,255,255,.35);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.portada-gen b{font-family:Georgia,"Times New Roman",serif;font-size:var(--t,12.5cqw);line-height:1.12;font-weight:700;overflow-wrap:break-word;hyphens:auto;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.portada-gen span{margin-top:auto;font-size:7cqw;opacity:.88;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.portada.mini{width:44px;flex:none;border-radius:2px 5px 5px 2px} .portada.mini .portada-gen small,.portada.mini .portada-gen span{display:none}
.portada.grande{width:150px;flex:none}
@media(hover:hover) and (pointer:fine){.libro:hover .portada{transform:translateY(-4px)}}
.libro-prog{display:block;height:4px;margin:7px 0 0;border-radius:2px;background:var(--linea);overflow:hidden}
.libro-prog i{display:block;height:100%;background:var(--azul);transform-origin:left;transition:transform 300ms var(--ease-out)}
.libro-prog.grande{height:8px;border-radius:4px;margin:8px 0 10px}
.bib-mia{display:flex;gap:12px;align-items:center;padding:6px 0} .bib-mia+.bib-mia{border-top:1px solid var(--linea)}
.bib-mod{display:flex;gap:14px;align-items:flex-start}
.bib-nota{text-align:center;margin-top:22px}
.bib-dlg{width:min(580px,calc(100vw - 24px));max-height:calc(100dvh - 32px);border:0;border-radius:20px;padding:18px;background:var(--card);color:var(--txt);box-shadow:0 24px 60px -20px rgba(10,20,40,.5)}
.bib-dlg::backdrop{background:rgba(10,20,40,.45)}
.bib-dlg[open]{animation:bib-entra 220ms var(--ease-out)} .bib-dlg[open]::backdrop{animation:aparece 220ms ease}
@keyframes bib-entra{from{opacity:0;transform:translateY(14px) scale(.98)}}
.bib-x{float:right;margin:-6px -6px 6px 10px}
.ficha{display:flex;gap:18px;align-items:flex-start} .ficha-info{flex:1;min-width:0} .ficha-info h2{font-size:1.25rem}
.ficha-desc{white-space:pre-wrap;margin:10px 0 12px}
.ficha-prog{clear:both;margin-top:16px;padding-top:12px;border-top:1px solid var(--linea)}
.ficha-pags{display:flex;align-items:center;gap:8px;margin:0 0 10px} .ficha-pags label{margin:0;white-space:nowrap;color:var(--txt)} .ficha-pags input{width:86px}
.prop{display:flex;gap:18px;align-items:flex-start} .prop-prev{width:120px;flex:none;position:sticky;top:0} .prop-campos{flex:1;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bib-error{color:var(--mal);font-size:.88rem;margin:6px 0} .bib-error:empty{display:none}
@media(max-width:520px){.ficha{flex-direction:column;align-items:center}.ficha-info{width:100%}.portada.grande{width:132px}
  .prop{flex-direction:column;align-items:center}.prop-prev{position:static;width:104px}.prop-campos{width:100%}}
/* Avisos urgentes y notificaciones (js/push.js) */
.card.urgente{border-left:4px solid var(--mal)}
.av-urg{align-items:flex-start;margin-top:12px} .av-urg input{margin-top:4px}
.push-nota{margin:0;padding:10px 12px;border-radius:12px;background:var(--azul-cla);color:var(--txt);font-size:.9rem}
@media(prefers-reduced-motion:reduce){
  :root{--press:1;--press-card:1;--toast-y:0px}
  html{scroll-behavior:auto}
  main.entra>*,details.abre>:not(summary){animation-name:aparece}
  .meta.logro input,.ring-box.celebra{animation:none}
  #oxi-panel,#oxi-capa.abierto #oxi-panel{transform:none;transition:opacity 150ms ease}
  #oxi-panel{opacity:0} #oxi-capa.abierto #oxi-panel{opacity:1}
  #tv-panel,#tv-capa.abierto #tv-panel{transform:none;transition:opacity 150ms ease}
  #tv-panel{opacity:0} #tv-capa.abierto #tv-panel{opacity:1}
  .oxi-m,#oxi-fab.feliz .oxi-cara{animation:none}
  #menu-lateral,#menu-capa.abierto #menu-lateral{transform:none;transition:opacity 150ms ease}
  #menu-lateral{opacity:0} #menu-capa.abierto #menu-lateral{opacity:1}
  @media(hover:hover) and (pointer:fine){a.card:hover,a.card:hover:active{transform:none}}
  .barra i,.bar-t i,.ring-fg,.prio-barra i,.prio-conf button,.tv-op,.pausa-op,.mem-carta{transition:none}
  .res-circulo{transform:none;opacity:.45;transition:opacity 4s ease-in-out} .res-circulo.crece{transform:none;opacity:1}
  .tv-res{animation-name:aparece}
  .bib-dlg[open]{animation-name:aparece} .libro-prog i,.portada{transition:none}
  .pomo-oxi.foco svg,.pomo-oxi.celebra svg{animation:none}
  .pomo-oxi.cambia svg,.pomo-burbuja{animation-name:aparece}
  .pomo-oxi.celebra::before{animation-name:aparece-sale}
  .bat-cuerpo i.nueva{animation-name:aparece} .bateria.carga .bat-cuerpo{animation:none}
}
@keyframes aparece-sale{0%,100%{opacity:0}30%{opacity:1}}

/* Aviso «Sin conexión» (js/sinconexion.js): una píldora bajo la barra azul; la página baja un poco para no taparla. */
#sin-red{position:fixed;left:50%;top:calc(70px + env(safe-area-inset-top));transform:translateX(-50%);z-index:6;display:flex;gap:5px;align-items:center;white-space:nowrap;max-width:calc(100vw - 32px);padding:6px 14px 6px 12px;border-radius:999px;background:var(--card);color:var(--txt);border:1px solid var(--linea);box-shadow:0 6px 18px -6px rgba(10,42,92,.35);font-size:.82rem;animation:sin-red-entra var(--dur) var(--ease-out)}
#sin-red::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--aviso);margin-right:3px}
#sin-red span{color:var(--suave);overflow:hidden;text-overflow:ellipsis}
#sin-red[hidden]{display:none}
html.sin-red main{padding-top:56px}
@keyframes sin-red-entra{from{opacity:0;transform:translate(-50%,-6px)}}
@media (prefers-reduced-motion:reduce){@keyframes sin-red-entra{from{opacity:0;transform:translateX(-50%)}}}

/* Bienvenida al abrir la app (index.html): la V del ícono sobre el mismo azul, como Instagram o WhatsApp.
   Mismos colores en tema claro y oscuro; deja pasar los toques para no estorbar si tarda en irse. */
#arranque{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:linear-gradient(135deg,#2f6cc0,#0a2a5c);pointer-events:none;transition:opacity 280ms var(--ease-out)}
#arranque img{width:150px;height:150px;animation:arranque-v 300ms var(--ease-out) both}
#arranque span{position:absolute;left:0;right:0;bottom:calc(32px + env(safe-area-inset-bottom));text-align:center;color:#fff;opacity:.85;font-weight:800;font-size:1.05rem;letter-spacing:.04em;animation:arranque-txt 300ms 80ms var(--ease-out) both}
#arranque.fuera{opacity:0}
@keyframes arranque-v{from{opacity:0;transform:scale(.9)}}
@keyframes arranque-txt{from{opacity:0;transform:translateY(6px)}}
@media (prefers-reduced-motion:reduce){@keyframes arranque-v{from{opacity:0}}@keyframes arranque-txt{from{opacity:0}}}

/* Calculadora Vargas Fresh (js/calcvf.js): una tarjeta plegable por materia, con las casillas de la hoja */
details.vf{padding:0}
details.vf>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;list-style:none}
details.vf>summary::-webkit-details-marker{display:none}
details.vf>summary .chip{flex:none;margin:0}
details.vf>:not(summary){margin-left:16px;margin-right:16px}
.vf-ayuda{font-size:.82rem;margin-top:0}
.vf-b{margin:14px 0 4px;font-size:.9rem;color:var(--azul)}
.vf-u{border-top:1px solid var(--linea);padding:10px 0}
.vf-un{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px;font-size:.92rem}
.vf-cs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.vf-c{display:flex;flex-direction:column;justify-content:flex-end;gap:3px;margin:0;font-size:.74rem;color:var(--suave);font-weight:600}
.vf-c input{width:100%;margin:0;padding:8px 10px}
.vf-c input[aria-invalid]{border-color:var(--mal)}
.vf-final{border-top:2px solid var(--azul-cla)}
.vf-res{margin:6px 16px 16px!important;padding:10px 12px;border-radius:10px;background:var(--azul-cla);font-size:.9rem}
.vf-prom{font-size:.92rem}

/* Buzón de sugerencias (js/vistas/sugerencias.js) */
.sug-cuenta{text-align:right;font-size:.78rem;margin:2px 0 6px}
.sug p{white-space:pre-wrap;margin:6px 0 8px}
.card>.sug+.sug{border-top:1px solid var(--linea);padding-top:10px}
.sug .meta{border-top:0;padding-top:0}