@import"https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@300;400;500;600;700&display=swap";:root{color-scheme:light;--color-bg-main: #e4e9f0;--color-text-main: #334155;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--ink: #1e293b;--accent: #facc15;--accent-strong: #eab308;--accent-light: #fef08a;--accent-fill: #fef08a;--accent-dark: var(--ink);--accent-soft: rgba(250, 204, 21, .16);--accent-soft-2: rgba(250, 204, 21, .32);--grad-amarillo: linear-gradient(135deg, #fef08a 0%, #fde047 45%, #facc15 100%);--c-crear: #facc15;--c-crear-soft: #fef9c3;--c-memoria: #60a5fa;--c-memoria-soft: #dbeafe;--c-repasar: #34d399;--c-repasar-soft: #d1fae5;--c-calendario: #f472b6;--c-calendario-soft: #fce7f3;--c-nube: #a78bfa;--c-nube-soft: #ede9fe;--sec: var(--c-crear);--sec-soft: var(--c-crear-soft);--sec-ink: color-mix(in srgb, var(--sec) 45%, #1e293b);--ok: #10b981;--mid: #f59e0b;--bad: #ef4444;--neu-out: 10px 10px 24px rgba(163, 177, 198, .55), -10px -10px 24px rgba(255, 255, 255, .85);--neu-out-lg: 16px 16px 36px rgba(163, 177, 198, .6), -14px -14px 32px rgba(255, 255, 255, .9);--neu-out-sm: 4px 4px 10px rgba(163, 177, 198, .5), -4px -4px 10px rgba(255, 255, 255, .9);--neu-inset: inset 6px 6px 14px rgba(163, 177, 198, .55), inset -6px -6px 14px rgba(255, 255, 255, .9);--neu-inset-sm: inset 3px 3px 8px rgba(163, 177, 198, .5), inset -3px -3px 8px rgba(255, 255, 255, .9);--neu-inset-micro: inset 2px 2px 4px rgba(163, 177, 198, .45), inset -2px -2px 4px rgba(255, 255, 255, .9);--brillo: inset 0 1px 0 rgba(255, 255, 255, .7);--radius: 18px;--radius-lg: 24px;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--spring: cubic-bezier(.34, 1.56, .64, 1)}[data-seccion=crear]{--sec: var(--c-crear);--sec-soft: var(--c-crear-soft)}[data-seccion=memoria]{--sec: var(--c-memoria);--sec-soft: var(--c-memoria-soft)}[data-seccion=repasar]{--sec: var(--c-repasar);--sec-soft: var(--c-repasar-soft)}[data-seccion=calendario]{--sec: var(--c-calendario);--sec-soft: var(--c-calendario-soft)}[data-seccion=nube]{--sec: var(--c-nube);--sec-soft: var(--c-nube-soft)}body:before{content:"";position:fixed;inset:-20%;z-index:-1;pointer-events:none;background:radial-gradient(38% 32% at 12% 8%,rgba(250,204,21,.16),transparent 70%),radial-gradient(32% 30% at 92% 18%,rgba(96,165,250,.13),transparent 70%),radial-gradient(30% 28% at 85% 92%,rgba(244,114,182,.11),transparent 70%),radial-gradient(34% 30% at 6% 88%,rgba(52,211,153,.11),transparent 70%);animation:flotarFondo 40s ease-in-out infinite alternate}@keyframes flotarFondo{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-3%,2%,0) scale(1.06)}}.neu-card{background:var(--color-bg-main);box-shadow:var(--neu-out),var(--brillo);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.45)}.neu-inset{background:var(--color-bg-main);box-shadow:var(--neu-inset);border-radius:var(--radius)}.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(255,255,255,.5);background:var(--color-bg-main);color:var(--color-text-main);box-shadow:var(--neu-out-sm),var(--brillo);border-radius:16px;padding:12px 22px;font-weight:700;font-size:.95rem;transition:box-shadow .22s var(--ease),transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease)}.btn svg{transition:transform .3s var(--spring)}.btn:hover{box-shadow:var(--neu-out),var(--brillo);transform:translateY(-2px)}.btn:hover svg{transform:scale(1.12)}.btn:active{box-shadow:var(--neu-inset-sm);transform:scale(.97)}.btn:disabled{opacity:.55;cursor:default;transform:none}.btn-accent{background:var(--grad-amarillo);color:var(--ink);border-color:#fff9;box-shadow:0 8px 20px -6px #eab3088c,var(--neu-out-sm),inset 0 1px #fffc}.btn-accent:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.65) 50%,transparent 70%);transform:translate(-120%);transition:transform .7s var(--ease-out);pointer-events:none}.btn-accent:hover{box-shadow:0 12px 26px -6px #eab308a6,var(--neu-out),inset 0 1px #fffc;filter:saturate(1.1)}.btn-accent:hover:after{transform:translate(120%)}.btn-accent:active{box-shadow:inset 3px 3px 8px #a1620740,inset -2px -2px 6px #fff9}.btn-ghost{box-shadow:none;background:transparent;border-color:transparent}.btn-ghost:hover{box-shadow:var(--neu-out-sm)}.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:13px}.icon-btn{width:36px;height:36px;padding:0;border-radius:12px;flex-shrink:0}.btn-danger{color:var(--bad)}.btn-danger:hover,.hoja-icon:hover{background-color:#fee2e2;color:#dc2626}.neu-input{width:100%;border:1px solid transparent;outline:none;background:var(--color-bg-main);color:var(--color-text-main);box-shadow:var(--neu-inset-sm);border-radius:14px;padding:14px 18px;font-size:1rem;font-family:inherit;transition:box-shadow .3s var(--ease),border-color .3s var(--ease)}.neu-input::placeholder{color:var(--color-text-muted);transition:opacity .3s var(--ease)}.neu-input:focus::placeholder{opacity:.55}.neu-input:focus{border-color:color-mix(in srgb,var(--sec) 55%,white);box-shadow:var(--neu-inset-sm),0 0 0 4px color-mix(in srgb,var(--sec) 22%,transparent)}textarea.neu-input{resize:vertical;min-height:220px;line-height:1.55}select.neu-input{cursor:pointer;appearance:none}.field-label{display:block;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-secondary);margin:0 0 8px 4px}.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:.75rem;font-weight:700;background:var(--color-bg-main);box-shadow:var(--neu-inset-micro);color:var(--color-text-secondary);white-space:nowrap;transition:transform .2s var(--ease)}.chip-accent{background:var(--accent-soft-2);box-shadow:none;color:var(--ink)}.chip-done{color:var(--ok)}.page{max-width:860px;margin:0 auto;padding:30px 16px 110px}.page-title{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;margin:0 0 6px;color:var(--ink)}.page-title:after{content:"";display:block;width:44px;height:5px;margin-top:8px;border-radius:99px;background:linear-gradient(90deg,var(--sec),color-mix(in srgb,var(--sec) 40%,white));animation:crecerBarra .7s var(--ease-out) both .15s;transform-origin:left}@keyframes crecerBarra{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.page-sub{margin:4px 0 26px;color:var(--color-text-secondary)}.section-title{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--color-text-secondary);margin:28px 0 14px 4px;display:flex;align-items:center;gap:8px}.section-title:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sec);box-shadow:0 0 0 4px color-mix(in srgb,var(--sec) 22%,transparent)}.muted{color:var(--color-text-secondary)}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.wrap{flex-wrap:wrap}.center-screen{min-height:70vh;display:grid;place-items:center;padding:20px}.spinner{width:40px;height:40px;border-radius:50%;background:conic-gradient(from 0deg,var(--c-crear),var(--c-memoria),var(--c-nube),var(--c-calendario),var(--c-repasar),var(--c-crear));-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 5px),#000 calc(100% - 4px));mask:radial-gradient(farthest-side,transparent calc(100% - 5px),#000 calc(100% - 4px));animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 22px;background:#e4e9f0b8;backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid rgba(255,255,255,.55);box-shadow:0 6px 24px -10px #64748b40}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.12rem;color:var(--ink)}.brand .dot{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;color:var(--ink);background:var(--grad-amarillo);box-shadow:0 6px 14px -4px #eab30899,inset 0 1px #fffc;transition:transform .4s var(--spring)}.brand:hover .dot{transform:rotate(-8deg) scale(1.08)}.brand .brand-sub{background:linear-gradient(90deg,#eab308,#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}.nav{display:flex;gap:4px;padding:5px;border-radius:18px;background:var(--color-bg-main);box-shadow:var(--neu-inset-sm)}.nav a{--c: var(--c-crear);--c-soft: var(--c-crear-soft);position:relative;display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:13px;font-weight:700;font-size:.9rem;color:var(--color-text-secondary);transition:color .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease)}.nav a.nav-memoria{--c: var(--c-memoria);--c-soft: var(--c-memoria-soft)}.nav a.nav-repasar{--c: var(--c-repasar);--c-soft: var(--c-repasar-soft)}.nav a.nav-calendario{--c: var(--c-calendario);--c-soft: var(--c-calendario-soft)}.nav a.nav-nube{--c: var(--c-nube);--c-soft: var(--c-nube-soft)}.nav a svg{color:var(--c);transition:transform .35s var(--spring)}.nav a:hover{color:var(--ink)}.nav a:hover svg{transform:translateY(-2px) scale(1.15) rotate(-6deg)}.nav a.active{color:var(--ink);background:linear-gradient(135deg,#ffffff 0%,var(--c-soft) 100%);box-shadow:0 6px 16px -8px var(--c),var(--neu-out-sm)}.nav .badge{min-width:20px;height:20px;padding:0 6px;border-radius:999px;font-size:.7rem;display:grid;place-items:center;background:linear-gradient(135deg,#fb7185,#ef4444);color:#fff;box-shadow:0 4px 10px -3px #ef4444b3;animation:latido 2.4s ease-in-out infinite}@keyframes latido{0%,to{transform:scale(1)}10%{transform:scale(1.18)}20%{transform:scale(1)}}@media(max-width:760px){.topbar{padding:10px 16px}.nav{position:fixed;bottom:12px;left:12px;right:12px;z-index:50;justify-content:space-around;background:#e4e9f0d9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--neu-out-lg)}.nav a{flex-direction:column;gap:3px;padding:8px 10px;font-size:.7rem}.nav a svg{font-size:1.15rem}.nav .badge{position:absolute;top:2px;right:4px}}.form-card{padding:26px;display:flex;flex-direction:column;gap:20px}.title-input{font-size:1.2rem;font-weight:700}.modos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.modo-opt{text-align:left;border:none;padding:14px 16px;border-radius:16px;background:var(--color-bg-main);box-shadow:var(--neu-out-sm);color:var(--color-text-main);transition:all .2s ease}.modo-opt:hover{box-shadow:var(--neu-out)}.modo-opt.selected{box-shadow:var(--neu-inset-sm);outline:2px solid var(--accent-strong)}.modo-opt .modo-name{font-weight:800;font-size:.95rem;margin-bottom:4px}.modo-opt .modo-desc{font-size:.78rem;color:var(--color-text-secondary);line-height:1.4}.modo-opt .modo-dias{font-size:.72rem;color:var(--sec-ink);font-weight:700;margin-top:6px}.modo-extra{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:4px}.modo-extra .neu-input{width:auto;flex:1;min-width:180px}.breadcrumb{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-weight:700;font-size:.9rem;margin-bottom:18px}.breadcrumb button{border:none;background:none;padding:4px 6px;border-radius:8px;color:var(--color-text-secondary);font-weight:700}.breadcrumb button:hover{color:var(--sec-ink)}.breadcrumb .current{color:var(--color-text-main);padding:4px 6px}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}.folder-tile{border:none;padding:18px 16px;text-align:left;display:flex;flex-direction:column;gap:8px;color:var(--color-text-main);transition:box-shadow .2s ease,transform .2s ease}.folder-tile:hover{box-shadow:var(--neu-out-lg)}.folder-tile .folder-icon{font-size:1.5rem;color:var(--color-text-muted)}.folder-tile .folder-name{font-weight:800;word-break:break-word}.card-list{display:flex;flex-direction:column;gap:12px}.card-row{border:none;width:100%;padding:16px 18px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--color-text-main);border-radius:18px;transition:box-shadow .2s ease}.card-row:hover{box-shadow:var(--neu-out-lg)}.card-row .card-title{font-weight:700;overflow:hidden;text-overflow:ellipsis}.card-row .card-meta{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.empty{text-align:center;padding:34px 20px;color:var(--color-text-secondary)}.modal-backdrop{position:fixed;inset:0;z-index:100;background:#46506447;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;padding:16px}.modal{width:100%;max-width:620px;max-height:90vh;overflow-y:auto;padding:26px;display:flex;flex-direction:column;gap:18px}.modal h2{margin:0;font-size:1.25rem;font-weight:900}.card-view-text{white-space:pre-wrap;line-height:1.6;padding:18px 20px;max-height:45vh;overflow-y:auto;-webkit-user-select:text;user-select:text}.flip{perspective:1400px;width:100%;max-width:560px;margin:0 auto;height:340px;cursor:pointer}.flip-inner{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.flip.flipped .flip-inner{transform:rotateY(180deg)}.flip-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--color-bg-main);box-shadow:var(--neu-out-lg);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column}.flip-front{align-items:center;justify-content:center;text-align:center;border-top:5px solid var(--card-color, var(--accent))}.flip-front .flip-title{font-size:1.6rem;font-weight:900;line-height:1.25;word-break:break-word}.flip-hint{margin-top:18px;font-size:.8rem;color:var(--color-text-muted);font-weight:600}.flip-back{transform:rotateY(180deg)}.flip-back .flip-back-title{font-weight:800;color:var(--accent-dark);margin-bottom:12px;font-size:.95rem}.flip-back .flip-text{white-space:pre-wrap;line-height:1.6;overflow-y:auto;flex:1;-webkit-user-select:text;user-select:text}.rate-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px}.rate-btn{min-width:150px}.rate-ok{color:var(--ok)}.rate-mid{color:var(--mid)}.rate-bad{color:var(--bad)}.progress{height:10px;border-radius:999px;box-shadow:var(--neu-inset-micro);overflow:hidden;max-width:560px;margin:0 auto 24px}.progress>div{height:100%;background:linear-gradient(90deg,var(--accent-fill),var(--accent));border-radius:999px;transition:width .4s var(--ease)}.done-box{padding:40px 24px;text-align:center;max-width:560px;margin:0 auto}.done-box .big{font-size:3rem;margin-bottom:8px}.tabs-inline{display:inline-flex;gap:6px;padding:6px;border-radius:16px;box-shadow:var(--neu-inset-sm);margin-bottom:22px}.tabs-inline button{border:none;background:none;padding:9px 16px;border-radius:12px;font-weight:700;color:var(--color-text-secondary)}.tabs-inline button.active{color:var(--ink);background:linear-gradient(135deg,#fff,var(--sec-soft));box-shadow:0 6px 14px -8px var(--sec),var(--neu-out-sm)}.calendar-wrap{padding:18px}.calendar-wrap .fc{--fc-border-color: rgba(163, 177, 198, .45);--fc-today-bg-color: var(--accent-soft);--fc-page-bg-color: var(--color-bg-main);--fc-neutral-bg-color: var(--color-bg-main);--fc-event-border-color: transparent;font-size:.85rem}.calendar-wrap .fc .fc-toolbar-title{font-size:1.15rem;font-weight:900}.calendar-wrap .fc .fc-toolbar-title:first-letter{text-transform:uppercase}.calendar-wrap .fc .fc-button{background:var(--color-bg-main);color:var(--color-text-main);border:none;box-shadow:var(--neu-out-sm);border-radius:12px;font-weight:700;text-transform:capitalize}.calendar-wrap .fc .fc-button:hover{color:var(--sec-ink)}.calendar-wrap .fc .fc-button:disabled{opacity:.5}.calendar-wrap .fc .fc-button-primary:not(:disabled).fc-button-active,.calendar-wrap .fc .fc-button-primary:not(:disabled):active{box-shadow:var(--neu-inset-sm);background:var(--color-bg-main);color:var(--color-text-main)}.calendar-wrap .fc .fc-button:focus{box-shadow:var(--neu-out-sm)}.calendar-wrap .fc .fc-col-header-cell-cushion,.calendar-wrap .fc .fc-daygrid-day-number{color:var(--color-text-secondary);font-weight:700;text-transform:capitalize}.calendar-wrap .fc .fc-daygrid-event{border-radius:7px;padding:1px 5px;font-weight:600;cursor:pointer}.ev-pendiente{background:linear-gradient(135deg,#fef9c3,#fde68a)!important;color:var(--ink)!important}.ev-atrasada{background:#fecaca!important;color:#7f1d1d!important}.ev-hecho{background:#d1d5db!important;color:#374151!important}.calendar-wrap .fc-event-title{color:inherit}.legend{display:flex;gap:14px;flex-wrap:wrap;margin:0 0 16px 4px;font-size:.8rem;font-weight:600;color:var(--color-text-secondary)}.legend span{display:inline-flex;align-items:center;gap:6px}.legend i{width:12px;height:12px;border-radius:4px;display:inline-block}.landing{max-width:1080px;margin:0 auto;padding:56px 16px 80px}.landing-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;min-height:72vh}.landing-copy{display:flex;flex-direction:column;align-items:flex-start;gap:18px}.landing .logo-big{width:80px;height:80px;border-radius:26px;display:grid;place-items:center;color:var(--accent-strong);box-shadow:var(--neu-out-lg)}.landing h1{margin:4px 0 0;font-size:3rem;font-weight:700;letter-spacing:-.02em;line-height:1}.landing h1 span{background:linear-gradient(90deg,#eab308,#f97316 60%,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}.landing-lead{max-width:470px;margin:0;font-size:1.12rem;line-height:1.6;color:var(--color-text-secondary)}.landing-lead b{color:var(--color-text-main)}.btn-lg{padding:15px 28px;font-size:1.02rem}.landing-demo{display:flex;flex-direction:column;align-items:center;gap:16px}.landing-demo .flip{height:300px;max-width:420px}.landing-hint{margin:0;font-size:.85rem}.landing-section{margin-top:70px}.landing-section h2{text-align:center;font-size:1.7rem;font-weight:700;margin:0 0 28px}.pasos,.funciones{display:grid;gap:22px}.pasos,.funciones{grid-template-columns:repeat(3,1fr)}.paso,.funcion{padding:24px 22px;position:relative}.paso h3,.funcion h3{margin:14px 0 6px;font-size:1.08rem;font-weight:700}.paso p,.funcion p{margin:0;font-size:.92rem;line-height:1.55;color:var(--color-text-secondary)}.paso-icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;font-size:1.15rem;color:var(--accent-dark);box-shadow:var(--neu-inset-sm)}.paso-num{position:absolute;top:18px;right:22px;font-size:2rem;font-weight:700;color:#a3b1c673}.landing-cta{margin-top:70px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}.landing-cta p{margin:0;font-size:1.1rem;color:var(--color-text-secondary)}@media(max-width:860px){.landing{padding-top:32px}.landing-hero{grid-template-columns:1fr;min-height:0;gap:36px}.landing-copy{align-items:center;text-align:center}.landing h1{font-size:2.4rem}.pasos,.funciones{grid-template-columns:1fr}}@media(min-width:861px)and (max-width:1020px){.funciones{grid-template-columns:repeat(2,1fr)}}.color-dot{display:inline-block;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 2px #fff9}.swatches{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.swatch{width:26px;height:26px;border-radius:50%;border:none;padding:0;box-shadow:var(--neu-out-sm);transition:transform .15s ease;position:relative}.swatch:hover{transform:scale(1.1)}.swatch.selected{outline:2px solid var(--color-text-main);outline-offset:3px}.swatch-none{background:var(--color-bg-main);background-image:linear-gradient(135deg,transparent 45%,var(--bad) 45%,var(--bad) 55%,transparent 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