@import "https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap";:root{--color-fondo:#f8f9fa;--color-fondo-secundario:#fff;--color-borde:#e5e7eb;--color-texto-principal:#1f2937;--color-texto-secundario:#6b7280;--acento-primario:#58cc02;--acento-secundario:#1cb0f6;--acento-terciario:#ff4b4b;--acento-cuarto:#ffc800;--acento-quinto:#ce82ff;--btn-shadow:0 4px 0 #00000026;--btn-shadow-primary:0 4px 0 #58a700;--btn-shadow-secondary:0 4px 0 #1899d6;--feedback-correcto:#58cc02;--feedback-incorrecto:#ff4b4b;--feedback-pista:#ffc800;--sombra-card:0 8px 24px #959da533;--sombra-hover:0 12px 28px #959da54d;--sombra-titulo:none;--radius-gamified:24px;--radius-btn:16px}[data-bs-theme=dark],body.dark-mode{--color-fondo:#131f24;--color-fondo-secundario:#202f36;--color-borde:#37464f;--color-texto-principal:#fff;--color-texto-secundario:#afafaf;--btn-shadow:0 4px 0 #0006;--btn-shadow-primary:0 4px 0 #58a700;--btn-shadow-secondary:0 4px 0 #1899d6;--sombra-card:0 8px 24px #0006;--sombra-hover:0 12px 28px #0009}body{background-color:var(--color-fondo);color:var(--color-texto-principal);background-image:radial-gradient(var(--color-borde) 1.5px, transparent 1.5px);background-size:36px 36px;font-family:Nunito,sans-serif;transition:background-color .3s,color .3s;overflow-x:hidden}.no-transition *{transition:none!important}.navbar{background-color:var(--color-fondo-secundario);border-bottom:1px solid var(--color-borde);transition:background-color .3s,border-color .3s}.navbar-brand,.nav-link{color:var(--color-texto-principal)!important}.nav-link:hover{color:var(--acento-primario)!important}.nav-link.active{font-weight:700;color:var(--acento-secundario)!important}.brand-logo-box{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde);border-radius:8px;justify-content:center;align-items:center;padding:5px;transition:transform .3s,background-color .3s;display:flex}body:not([data-bs-theme=dark]) .brand-logo-box{background-color:var(--color-texto-principal);border-color:#0000}[data-bs-theme=dark] .brand-logo-box{border-color:var(--color-borde);background-color:#ffffff1a}.navbar-brand:hover .brand-logo-box{border-color:var(--acento-primario);transform:scale(1.1)rotate(-5deg)}body:not([data-bs-theme=dark]) .navbar-brand:hover .brand-logo-box{background-color:var(--acento-primario)}.card.shadow-lg{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde)!important;box-shadow:var(--sombra-card)!important}.form-control{background-color:var(--color-fondo);border:1px solid var(--color-borde);color:var(--color-texto-principal);text-overflow:ellipsis;white-space:nowrap;border-radius:.5rem;width:100%;max-width:100%;padding:.75rem 1rem;overflow:hidden}.form-control:focus{background-color:var(--color-fondo-secundario);border-color:var(--acento-primario);box-shadow:0 0 0 4px #4f46e51a}.main-title{color:var(--color-texto-principal);font-size:2.8rem;font-weight:700}.text-muted{color:var(--color-texto-secundario)!important}.word-of-the-day-card{color:#fff;border:1px solid var(--color-borde);background-position:50%;background-size:cover;border-radius:1rem;flex-direction:column;justify-content:flex-end;min-height:300px;padding:2rem;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.word-of-the-day-card:before{content:"";z-index:1;background:linear-gradient(#11182733 0%,#111827e6 80%);position:absolute;inset:0}.word-of-the-day-card .content{z-index:2;position:relative}.word-of-the-day-card .tag{background-color:var(--acento-primario);color:var(--color-fondo);border-radius:20px;margin-bottom:.5rem;padding:.25rem .75rem;font-size:.8rem;font-weight:700;display:inline-block}.word-of-the-day-card h3{text-shadow:2px 2px 5px #00000080;margin:0;font-size:2.5rem}.word-of-the-day-card p{color:#cbd5e1;margin:0;font-size:1.2rem}.level-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding-top:2rem;display:grid}.level-card-link{text-decoration:none}.level-card{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);text-align:center;z-index:1;border-radius:1rem;flex-direction:column;height:100%;padding:2.5rem 2rem;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),box-shadow .4s,background-color .3s,border-color .3s;display:flex;position:relative;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.level-card-link:hover .level-card{border-color:var(--glow-color,var(--acento-primario));box-shadow:0 15px 30px -5px #0000004d, 0 0 20px -5px var(--glow-color,var(--acento-primario));transform:translateY(-10px)scale(1.02)}.card-icon{color:var(--glow-color);margin-bottom:1.5rem;font-size:3.5rem;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),text-shadow .4s;display:block}.level-card-link:hover .card-icon{text-shadow:0 0 15px var(--glow-color);transform:scale(1.2)rotate(10deg)}.card-title{color:var(--color-texto-principal);margin-bottom:.5rem;font-size:1.8rem;font-weight:600}.card-description{color:var(--color-texto-secundario);flex-grow:1;font-size:1rem;line-height:1.5}.card-a1{--glow-color:#f59e0b}.card-a2{--glow-color:var(--acento-primario)}.card-b1{--glow-color:#6366f1}.card-b2{--glow-color:#3b82f6}.card-c1{--glow-color:var(--acento-secundario)}.level-header{text-align:center;margin-bottom:4rem;padding:2rem 0;position:relative}.level-header .level-badge{background:var(--glow-color,var(--acento-primario));background:linear-gradient(135deg, var(--glow-color,var(--acento-primario)), #111827);color:#fff;text-transform:uppercase;letter-spacing:3px;border:1px solid #ffffff1a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:1.5rem;padding:.6rem 2rem;font-size:1.1rem;font-weight:700;transition:transform .3s,box-shadow .3s;display:inline-flex;box-shadow:0 4px 15px #0000004d}.level-header .level-badge:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0006}.level-header h1{background:linear-gradient(#fff 0%,#a1a1aa 100%);-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:-2px;filter:drop-shadow(0 4px 6px #00000080);-webkit-background-clip:text;background-clip:text;margin:0;font-size:4.5rem;font-weight:800}body.light-mode .level-header h1{background:linear-gradient(#1f2937 0%,#4b5563 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 4px #0000001a);-webkit-background-clip:text;background-clip:text}.accordion-item{background-color:var(--color-fondo-secundario);border:1px solid var(--color-borde);margin-bottom:1rem;border-radius:.75rem!important}.accordion-header .accordion-button{background-color:var(--color-fondo-secundario);color:var(--color-texto-principal);border-radius:.75rem;font-size:1.2rem;font-weight:600}.accordion-button:not(.collapsed){color:var(--acento-primario);box-shadow:none;background-color:var(--color-fondo-secundario)}.accordion-button:focus{box-shadow:none}.accordion-body{color:var(--color-texto-principal);font-size:1.1rem;line-height:1.7}.accordion-body h3,.accordion-body h5{color:var(--color-texto-principal);border-left:4px solid var(--glow-color,var(--acento-primario));margin-top:1.8rem;margin-bottom:1.2rem;padding-left:12px}.practice-game{background-color:var(--color-fondo);border:1px solid var(--color-borde);border-radius:.5rem;padding:1.5rem}.practice-game p,.practice-game h4,.practice-game h5{color:var(--color-texto-principal)}.practice-game .form-control{background-color:var(--color-borde);color:var(--color-texto-principal);border:1px solid var(--color-borde);font-size:1.1rem}.practice-game .btn{background-color:var(--glow-color,var(--acento-primario));color:var(--color-fondo);border:none;font-size:1.1rem;font-weight:700}body.light-mode .practice-game .btn{color:#fff}.feedback{text-align:center;margin-top:1rem;font-size:1.2rem;font-weight:700}.feedback-correct,.practice-game .feedback-correct{color:var(--feedback-correcto)!important}.feedback-incorrect,.practice-game .feedback-incorrect{color:var(--feedback-incorrecto)!important}.feedback-hint{color:var(--feedback-pista);font-size:1rem;font-style:italic}.demonstrative-lab,.animation-container{background-color:var(--color-fondo)}.animation-zone{border:2px dashed var(--color-borde)}.animation-zone:before{color:var(--color-texto-secundario)}.animated-object{background-color:var(--glow-color,var(--acento-secundario))}footer{background-color:var(--color-fondo-secundario);color:var(--color-texto-secundario);border-top:1px solid var(--color-borde)}@media (width<=991px){.main-title{font-size:2.2rem}.level-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.word-of-the-day-card{min-height:250px}.navbar-collapse{background-color:var(--color-fondo-secundario);z-index:1050;width:280px;padding:1.5rem;transition:left .3s ease-in-out,visibility .3s ease-in-out;position:fixed;top:0;left:-100%;overflow-y:auto;box-shadow:2px 0 15px #0000004d;height:100vh!important}.navbar-collapse.show{left:0}.navbar-collapse:before{content:"";z-index:-1;opacity:0;visibility:hidden;background-color:#00000080;width:calc(100vw - 280px);height:100vh;transition:opacity .3s ease-in-out;position:fixed;top:0;left:280px}.navbar-collapse.show:before{opacity:1;visibility:visible}.navbar-nav{flex-direction:column;width:100%;align-items:flex-start!important;margin:0!important}.navbar-nav .nav-item{width:100%;margin-bottom:.5rem}.navbar-nav .nav-link{border-radius:8px;width:100%;transition:background-color .2s,transform .2s;display:block;padding:.8rem 1rem!important}.navbar-nav .nav-link:hover{background-color:#2dd4bf1a;transform:translate(5px)}.navbar-nav .nav-item:nth-child(7){border-bottom:1px solid var(--color-borde);margin-bottom:1.5rem;padding-bottom:1rem}.navbar-nav .nav-item .btn{border-radius:8px;width:100%;margin-bottom:.8rem;padding:.8rem;font-size:1rem;font-weight:600}.navbar-nav .nav-item .btn-outline-primary{margin-right:0!important}.navbar-nav .nav-item.dropdown .dropdown-menu{width:100%;box-shadow:none;background-color:#0000;border:none;margin-top:.5rem;padding-left:1rem;position:static!important;transform:none!important}.dropdown-item{border-radius:6px;margin-bottom:.3rem;padding:.7rem 1rem}.dropdown-item:hover{background-color:#2dd4bf1a}.navbar-collapse .nav-item:last-child{border-top:1px solid var(--color-borde);margin-top:auto;padding-top:1rem}#theme-toggle{border-radius:8px;width:100%;padding:.8rem}}@media (width<=768px){.level-header h1{font-size:2rem}.level-header{margin-bottom:2rem}.word-of-the-day-card h3{font-size:1.8rem}.word-of-the-day-card p{font-size:1rem}.level-card{padding:2rem 1.5rem}.card-icon{margin-bottom:1rem;font-size:3rem}.card-title{font-size:1.5rem}.navbar-brand{font-size:1.2rem}}@media (width<=576px){main.container{padding-left:1rem;padding-right:1rem;margin-top:2rem!important}.main-title,.level-header h1{font-size:1.8rem}.accordion-button{padding:.75rem 1rem;font-size:1rem}.accordion-body{padding:1rem;font-size:1rem}.practice-game{padding:1rem}.practice-game .btn{width:100%;margin-top:.5rem}.word-of-the-day-card{min-height:220px;padding:1.5rem}.word-of-the-day-card h3{font-size:1.5rem}.table thead{font-size:.9rem}.table td{padding:.5rem}}body:not([data-bs-theme=dark]) .btn-outline-light{background-color:#0000;color:#495057!important;border-color:#ced4da!important}body:not([data-bs-theme=dark]) .btn-outline-light:hover{color:#fff!important;background-color:#6c757d!important;border-color:#6c757d!important}body:not([data-bs-theme=dark]) .btn-outline-light.active,body:not([data-bs-theme=dark]) .btn-outline-light:active,body:not([data-bs-theme=dark]) .btn-outline-light.btn-success{color:#fff!important;background-color:#28a745!important;border-color:#28a745!important}body:not([data-bs-theme=dark]) .btn-outline-light.btn-danger{color:#fff!important;background-color:#dc3545!important;border-color:#dc3545!important}.modern-navbar{z-index:1000;background-color:var(--color-fondo-secundario);border-bottom:2px solid var(--color-borde);width:100%;padding:.75rem 0;transition:all .3s;position:sticky;top:0}.modern-navbar.scrolled{box-shadow:0 4px 12px #0000000d}.navbar-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 1rem;display:flex}.brand-logo{color:var(--color-texto-principal);letter-spacing:-.5px;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:900;text-decoration:none;display:flex}.logo-icon-wrapper{background-color:var(--acento-primario);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.25rem;display:flex;box-shadow:0 4px #4da800}.brand-text{align-items:center;display:flex}.brand-highlight{color:var(--acento-secundario)}.nav-menu{align-items:center;gap:2rem;display:flex}.nav-links{align-items:center;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.nav-link{color:var(--color-texto-secundario);border-radius:var(--radius-btn);align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{background-color:var(--color-fondo);color:var(--color-texto-principal)}.nav-link.active{color:var(--acento-secundario);background-color:#1cb0f61a}.level-dot{border-radius:50%;width:10px;height:10px;display:inline-block}.level-dot.a1{background-color:var(--acento-primario)}.level-dot.a2{background-color:var(--acento-secundario)}.level-dot.b1{background-color:var(--acento-quinto)}.level-dot.b2{background-color:var(--acento-cuarto)}.level-dot.c1{background-color:var(--acento-terciario)}.nav-actions{align-items:center;gap:1rem;display:flex}.theme-toggle-btn{border:2px solid var(--color-borde);cursor:pointer;width:44px;height:44px;color:var(--color-texto-secundario);background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;transition:all .2s;display:flex}.theme-toggle-btn:hover{background:var(--color-fondo);border-color:var(--color-texto-secundario)}.auth-buttons{gap:.75rem;display:flex}.btn-login{color:var(--color-texto-principal);border-radius:var(--radius-btn);padding:.75rem 1.25rem;font-weight:800;text-decoration:none;transition:background .2s}.btn-login:hover{background-color:var(--color-fondo)}.btn-register{background-color:var(--acento-primario);color:#fff;border-radius:var(--radius-btn);box-shadow:var(--btn-shadow-primary);padding:.75rem 1.5rem;font-weight:800;text-decoration:none;transition:transform .1s,box-shadow .1s}.btn-register:active{transform:translateY(4px);box-shadow:0 0 #0000}.user-dropdown-container{position:relative}.user-profile-btn{border:2px solid var(--color-borde);cursor:pointer;color:var(--color-texto-principal);background:0 0;border-radius:50px;align-items:center;gap:.75rem;padding:.25rem 1rem .25rem .25rem;font-weight:700;transition:all .2s;display:flex}.user-profile-btn:hover{border-color:var(--color-texto-secundario)}.avatar{background-color:var(--acento-secundario);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-weight:900;display:flex}.user-dropdown-menu{background:var(--color-fondo-secundario);border:2px solid var(--color-borde);border-radius:var(--radius-gamified);width:240px;box-shadow:0 8px 0 var(--color-borde);opacity:0;visibility:hidden;z-index:1000;padding:.5rem;transition:all .2s;position:absolute;top:calc(100% + 10px);right:0;transform:translateY(10px)}.user-dropdown-menu:before{content:"";background:0 0;width:100%;height:15px;position:absolute;top:-15px;left:0}.user-dropdown-container:hover .user-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-header{border-bottom:2px solid var(--color-borde);margin-bottom:.5rem;padding:1rem}.user-email{color:var(--color-texto-secundario);text-overflow:ellipsis;margin:0;font-size:.9rem;font-weight:600;overflow:hidden}.dropdown-item{color:var(--color-texto-principal);border-radius:var(--radius-btn);text-align:left;background:0 0;border:none;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;font-weight:700;text-decoration:none;transition:background .2s;display:flex}.dropdown-item:hover{background-color:var(--color-fondo)}.dropdown-item.text-danger{color:var(--acento-terciario)}.dropdown-item.text-danger:hover{background-color:#ff4b4b1a}.mobile-controls{display:none}.hamburger-btn{cursor:pointer;z-index:1001;background:0 0;border:none;width:30px;height:24px;position:relative}.hamburger-btn span{background:var(--color-texto-principal);border-radius:3px;width:100%;height:3px;transition:all .25s ease-in-out;display:block;position:absolute}.hamburger-btn span:first-child{top:0}.hamburger-btn span:nth-child(2){top:10px}.hamburger-btn span:nth-child(3){top:20px}.hamburger-btn.active span:first-child{top:10px;transform:rotate(135deg)}.hamburger-btn.active span:nth-child(2){opacity:0;left:-60px}.hamburger-btn.active span:nth-child(3){top:10px;transform:rotate(-135deg)}@media (width<=1024px){.nav-links{display:none}.mobile-controls{display:block}.auth-buttons,.user-profile-btn span{display:none}.user-profile-btn{padding:.25rem}.brand-text{font-size:1.2rem}}.mobile-menu-drawer{-webkit-backdrop-filter:blur(16px);z-index:1050;background:#14191ed9;border-right:1px solid #ffffff1a;flex-direction:column;gap:1.5rem;width:320px;height:100vh;padding:1.5rem;transition:left .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:-100%;overflow-y:auto;box-shadow:10px 0 30px #00000080}[data-bs-theme=light] .mobile-menu-drawer{background:#ffffffd9;border-right:1px solid #0000001a;box-shadow:10px 0 30px #0000001a}.mobile-menu-drawer.open{left:0}.mobile-menu-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1040;background:#0006;width:100vw;height:100vh;position:fixed;top:0;left:0}.mobile-drawer-header{border-bottom:1px solid #80808033;align-items:center;padding-bottom:1.5rem;display:flex}.mobile-drawer-user{background:#8080800d;border:1px solid #8080801a;border-radius:16px;align-items:center;gap:1rem;padding:1rem;display:flex}.mobile-drawer-user .user-details{flex-direction:column;display:flex;overflow:hidden}.mobile-drawer-user .user-name{color:var(--color-texto-principal);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:1rem;font-weight:800;overflow:hidden}.mobile-drawer-user .user-email{color:var(--color-texto-secundario);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.8rem;overflow:hidden}.mobile-drawer-links{flex-direction:column;flex-grow:1;gap:.5rem;display:flex}.mobile-nav-link{color:var(--color-texto-principal);text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:1rem;width:100%;padding:1rem 1.25rem;font-size:1.05rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.mobile-nav-link i{color:var(--acento-secundario);text-align:center;width:24px;font-size:1.25rem}.mobile-nav-link:hover,.mobile-nav-link.active{color:var(--acento-secundario);background:#1cb0f61a;transform:translate(5px)}.mobile-drawer-footer{border-top:1px solid #80808033;flex-direction:column;gap:.5rem;padding-top:1.5rem;display:flex}.logout-btn i{color:var(--acento-terciario)}.logout-btn:hover{color:var(--acento-terciario);background:#ff4b4b1a}.auth-buttons-mobile{flex-direction:column;gap:1rem;display:flex}.btn-login-mobile,.btn-register-mobile{text-align:center;border-radius:12px;padding:1rem;font-weight:800;text-decoration:none;display:block}.btn-login-mobile{color:var(--color-texto-principal);background:#8080801a}.btn-register-mobile{background:var(--acento-primario);color:#fff;box-shadow:var(--btn-shadow-primary)}.footer-modern{background:var(--bs-body-bg);padding-top:2rem;position:relative;overflow:hidden}.footer-title{color:var(--bs-emphasis-color);text-transform:uppercase;letter-spacing:1px;margin-bottom:1.5rem;font-size:1rem;font-weight:700}.footer-links li{margin-bottom:.75rem}.footer-links a{color:var(--bs-secondary-color);font-size:.95rem;text-decoration:none;transition:all .2s}.footer-links a:hover{color:var(--bs-primary);padding-left:5px}.email-link{color:var(--bs-primary);font-weight:600}.email-link:hover{text-decoration:underline!important}.social-icon{background:rgba(var(--bs-primary-rgb), .1);width:38px;height:38px;color:var(--bs-primary);border-radius:10px;justify-content:center;align-items:center;text-decoration:none;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex}.social-icon:hover{background:var(--bs-primary);color:#fff;transform:translateY(-5px)}.footer-bottom{margin-top:3rem;border-color:rgba(var(--bs-emphasis-color-rgb), .05)!important}[data-bs-theme=dark] .footer-modern{background:#0a0a0a}@media (width<=767px){.footer-modern .col-lg-4{text-align:center;margin-bottom:2rem}.footer-modern .social-links{justify-content:center}.footer-modern .row.gy-4{flex-wrap:wrap;display:flex}.footer-modern .col-sm-6.col-md-3{width:50%;margin-bottom:2rem;padding:0 1rem;margin-top:0!important}.footer-modern .col-md-6.col-lg-4{text-align:center;width:100%;padding:0 1rem}.contact-info{flex-direction:column;align-items:center;display:flex}.footer-bottom .row{flex-direction:column-reverse;gap:1rem}.footer-bottom .col-md-6.text-md-end{margin-bottom:.5rem;text-align:center!important}}.wm-backdrop{z-index:10000;-webkit-backdrop-filter:blur(6px);background:#000000a6;justify-content:center;align-items:center;padding:1rem;animation:.25s forwards wm-fade-in;display:flex;position:fixed;inset:0}@keyframes wm-fade-in{0%{opacity:0}to{opacity:1}}.wm-card{text-align:center;background:linear-gradient(145deg,#1a1535 0%,#2d2460 60%,#1a1535 100%);border:1px solid #8b5cf666;border-radius:1.5rem;width:100%;max-width:420px;padding:3rem 2.5rem 2rem;animation:.4s cubic-bezier(.34,1.56,.64,1) forwards wm-pop-in;position:relative;overflow:hidden;box-shadow:0 30px 70px #0009,0 0 0 1px #8b5cf626,inset 0 1px #ffffff12}@keyframes 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h3{color:var(--color-texto-principal);font-size:1.25rem;font-weight:800}.sidebar-tap-hint{color:var(--color-texto-secundario);opacity:.8;font-size:.75rem}.sidebar-progress-bar{background-color:var(--color-fondo-primario);border-radius:4px;height:8px;margin:10px 0;overflow:hidden}.sidebar-progress-fill{background:linear-gradient(90deg, var(--acento-primario), var(--acento-secundario));height:100%;transition:width .4s}.progress-text{color:var(--color-texto-secundario);margin-bottom:1.5rem;font-size:.85rem;font-weight:600}.topics-list{flex-direction:column;gap:.5rem;display:flex}@media (width<=991px){.topics-list{display:none}.topics-sidebar.mobile-open .topics-list{margin-top:1rem;display:flex}}.topic-item{background-color:var(--color-fondo-primario);color:var(--color-texto-secundario);border:2px solid var(--color-borde);border-radius:12px;align-items:center;padding:.8rem 1rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.topic-item:hover{background-color:var(--color-fondo-hover);transform:translateY(-2px);box-shadow:0 4px 10px #0000000d}.topic-item.active{border-color:var(--acento-primario);color:var(--acento-primario);background-color:#2575fc1a}.topic-num{background-color:var(--color-borde);width:28px;height:28px;color:var(--color-texto-principal);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-right:12px;font-size:.8rem;font-weight:800;display:flex}.topic-item.active .topic-num{background-color:var(--acento-primario);color:#fff}.topic-name{flex-grow:1;font-size:.95rem}.topic-status-icon{color:#4caf50;font-size:1.1rem;font-weight:800}.topic-content{flex-grow:1;min-width:0;padding:2rem}@media (width<=768px){.topic-content{padding:1.5rem 1rem}}.topic-badge{color:var(--acento-primario);letter-spacing:1px;text-transform:uppercase;background-color:#2575fc1a;border-radius:20px;margin-bottom:.5rem;padding:4px 12px;font-size:.8rem;font-weight:800;display:inline-block}.custom-tabs{background-color:var(--color-fondo-secundario);border:2px solid var(--color-borde);border-radius:16px;gap:8px;width:100%;max-width:400px;padding:6px;display:flex}.custom-tabs .nav-item{flex:1}.custom-tabs .nav-link{text-align:center;width:100%;color:var(--color-texto-secundario);background:0 0;border:none;border-radius:12px;padding:10px 15px;font-weight:700;transition:all .2s}.custom-tabs .nav-link:hover{color:var(--color-texto-principal)}.custom-tabs .nav-link.active{background-color:var(--color-fondo-primario);color:var(--acento-primario);box-shadow:0 4px 12px #00000014}.custom-tab-content{background:var(--color-fondo-primario);border:2px solid var(--color-borde);border-radius:24px;padding:2.5rem;box-shadow:0 8px 30px #00000008}@media (width<=768px){.custom-tab-content{border-radius:20px;padding:1.5rem}}.theory-wrapper{flex-direction:column;gap:2rem;padding-top:1rem;display:flex}.theory-wrapper .accordion-body,.theory-wrapper .animation-zone{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}.theory-wrapper h3,.theory-wrapper h4,.theory-wrapper h5{border-bottom:2px solid #4a90e233;align-items:center;margin-top:2rem;margin-bottom:.8rem;padding-bottom:.8rem;font-size:1.6rem;font-weight:800;display:flex;color:#4a90e2!important;border-left:none!important;padding-left:0!important}.theory-wrapper p{color:var(--color-texto-principal);background:var(--color-fondo-primario);border-radius:16px;margin:0;padding:1.8rem;font-size:1.15rem;line-height:1.8;box-shadow:0 8px 20px #0000001a;border:1px solid #ffffff0d!important}.theory-wrapper ul{flex-direction:column;gap:1.2rem;margin:0;padding:0;list-style:none;display:flex}.theory-wrapper ul li{border-radius:20px;max-width:80%;padding:1.2rem 1.8rem;font-size:1.15rem;line-height:1.6;position:relative;box-shadow:0 4px 15px #00000026}.theory-wrapper ul li:nth-child(odd){background:var(--color-fondo-secundario);color:var(--color-texto-principal);border:1px solid #ffffff14;border-bottom-left-radius:4px;align-self:flex-start}.theory-wrapper ul li:nth-child(odd):before{content:"";border-style:solid;border-width:12px 16px 0 0;border-color:var(--color-fondo-secundario) transparent transparent transparent;position:absolute;bottom:-1px;left:-12px}.theory-wrapper ul li:nth-child(2n){color:#fff;background:linear-gradient(135deg,#2575fc 0%,#1e3c72 100%);border:none;border-bottom-right-radius:4px;align-self:flex-end}.theory-wrapper ul li:nth-child(2n):after{content:"";border:0 solid #0000;border-top:12px solid #1e3c72;border-left-width:16px;position:absolute;bottom:0;right:-12px}.theory-wrapper ul li strong{color:#4a90e2;font-weight:800}.theory-wrapper ul li:nth-child(2n) strong{color:#a0c4ff}.glass-progress-widget{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff08;border:1px solid #ffffff14;border-radius:16px;min-width:280px;padding:1.5rem;box-shadow:0 8px 32px #0003}.glass-progress-row{flex-direction:column;gap:.5rem;display:flex}.progress-info{color:var(--color-texto-principal);justify-content:space-between;align-items:center;font-size:.95rem;font-weight:600;display:flex}.progress-label{align-items:center;display:flex}.theory-icon{color:#4facfe}.practice-icon{color:#a18cd1}.progress-value{color:var(--color-texto-secundario)}.progress-value.completed{color:#4caf50;font-weight:800}.glass-progress-track{background:#0000004d;border-radius:10px;width:100%;height:8px;position:relative;overflow:hidden;box-shadow:inset 0 2px 4px #0003}.glass-progress-fill{border-radius:10px;height:100%;transition:width .8s cubic-bezier(.4,0,.2,1);position:relative}.theory-fill{background:linear-gradient(90deg,#4facfe 0%,#00f2fe 100%)}.practice-fill{background:linear-gradient(90deg,#a18cd1 0%,#fbc2eb 100%)}.progress-glow{filter:blur(5px);opacity:.5;background:#fff;width:20px;animation:2s infinite sweep;position:absolute;top:0;bottom:0;right:0}@keyframes sweep{0%{opacity:0;transform:translate(-100px)}50%{opacity:.5}to{opacity:0;transform:translate(20px)}}.dashboard-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.dashboard-header{margin-bottom:2rem}.dashboard-header h1{color:var(--color-texto-principal);margin:0;font-size:2.5rem;font-weight:900}.dashboard-layout{grid-template-columns:2fr 1fr;gap:2rem;display:grid}@media (width<=992px){.dashboard-layout{flex-direction:column;grid-template-columns:1fr;display:flex}.sidebar-column{order:-1}.level-cards-grid{order:1}}.level-cards-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;display:grid}.mockup-level-card{text-align:center;background:#fff;border:2px solid #0000;border-radius:24px;flex-direction:column;padding-bottom:1.5rem;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 30px #0000000d}[data-bs-theme=dark] .mockup-level-card{background:var(--color-fondo-secundario);border:2px solid var(--color-borde);box-shadow:0 10px 30px #00000080}.mockup-card-top{color:#fff;border-bottom-right-radius:20%;border-bottom-left-radius:20%;margin-bottom:-3rem;padding:2rem 1rem 3rem}.mockup-card-title{margin:0;font-size:2rem;font-weight:900;line-height:1}.mockup-card-subtitle{text-transform:uppercase;letter-spacing:1px;opacity:.9;font-size:1rem;font-weight:700}.mockup-circular-progress{z-index:2;background:#fff;border-radius:50%;width:120px;height:120px;margin:0 auto;padding:8px;position:relative;box-shadow:0 4px 15px #0000001a}[data-bs-theme=dark] .mockup-circular-progress{background:var(--color-fondo-secundario)}.mockup-circular-svg{width:100%;height:100%}.mockup-circular-value{color:var(--color-texto-principal);font-size:1.5rem;font-weight:900;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.mockup-card-body{flex-direction:column;flex-grow:1;padding:1rem 1.5rem 0;display:flex}.mockup-lessons-count{color:var(--color-texto-secundario);margin-bottom:.5rem;font-size:.95rem;font-weight:800}.mockup-desc{color:var(--color-texto-principal);flex-grow:1;margin-bottom:1.5rem;font-size:.9rem;font-weight:600}.mockup-btn{text-transform:uppercase;letter-spacing:1px;color:#fff;cursor:pointer;border:none;border-radius:16px;width:100%;padding:.75rem;font-weight:900;text-decoration:none;transition:transform .1s,box-shadow .1s;display:inline-block}.mockup-btn.btn-orange{background:#ff9800;box-shadow:0 6px #e65100}.mockup-btn.btn-orange:active{transform:translateY(6px);box-shadow:0 0 #0000}.mockup-btn.btn-green{background:#4caf50;box-shadow:0 6px #2e7d32}.mockup-btn.btn-green:active{transform:translateY(6px);box-shadow:0 0 #0000}.mockup-btn.btn-locked{cursor:not-allowed;background:#9e9e9e;box-shadow:0 6px #616161}.sidebar-widget{background:#fff;border-radius:20px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 10px 30px #0000000d}[data-bs-theme=dark] .sidebar-widget{background:var(--color-fondo-secundario);border:2px solid var(--color-borde);box-shadow:0 10px 30px #00000080}.sidebar-widget h4{color:var(--color-texto-principal);margin-bottom:1rem;font-size:1.25rem;font-weight:900}.achievements-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.achievement-item{text-align:center}.achievement-icon{color:#fff;background:linear-gradient(135deg,gold,orange);border:3px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto .5rem;font-size:1.5rem;display:flex;box-shadow:0 4px 8px #0000001a}.achievement-item.locked .achievement-icon{color:#9e9e9e;box-shadow:none;background:#e0e0e0}.achievement-name{color:var(--color-texto-secundario);font-size:.75rem;font-weight:800;line-height:1.2}.practice-container{background:radial-gradient(circle at 50% 0%, #ffc1071a 0%, transparent 50%), var(--color-fondo);min-height:calc(100vh - 80px)}.practice-title{letter-spacing:-1px;background:linear-gradient(135deg,#ffc107 0%,#ff9800 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 12px #ffc1074d);-webkit-background-clip:text;font-size:3rem}.upsell-banner{background:linear-gradient(135deg,#111827 0%,#1f2937 100%);border:1px solid #ffffff1a;position:relative;overflow:hidden}.upsell-banner:before{content:"";background:linear-gradient(90deg,#ffc107,#ff9800,#ffc107);height:3px;position:absolute;top:0;left:0;right:0}.shadow-icon{filter:drop-shadow(0 0 20px #fff3)}.practice-nav .nav-link{cursor:pointer;border:1px solid #0000;transition:all .3s}.practice-nav .nav-link:not(.active):hover{background:#ffc1071a;color:#ffc107!important}.practice-card{background:var(--color-fondo-secundario);border:1px solid var(--color-borde);cursor:pointer;border-radius:1.5rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275);overflow:hidden}.practice-card.unlocked:hover{border-color:#ffc107;transform:translateY(-8px)scale(1.02);box-shadow:0 15px 30px #ffc10726}.level-badge{color:var(--color-texto-secundario);letter-spacing:1px;text-transform:uppercase;background:#ffffff0d;border-radius:20px;padding:.25rem 1rem;font-size:.85rem;font-weight:600;display:inline-block}.floating-emoji{filter:drop-shadow(0 10px 10px #0003);font-size:3.5rem;animation:4s ease-in-out infinite float;display:inline-block}@keyframes float{0%{transform:translateY(0)rotate(0)}50%{transform:translateY(-10px)rotate(5deg)}to{transform:translateY(0)rotate(0)}}.practice-card.locked{opacity:.8;position:relative}.overlay-lock{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:10;background:#0006;border-radius:1.5rem;transition:-webkit-backdrop-filter .3s,backdrop-filter .3s;position:absolute;inset:0}.practice-card.locked:hover .overlay-lock{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080}.practice-card.locked:hover .lock-icon{transform:scale(1.2);color:#ffc107!important}.lock-icon{z-index:20;font-size:3.5rem;transition:all .3s;position:relative}.upsell-banner.trial-banner{background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 100%);border:1px solid #8b5cf633}.upsell-banner.trial-banner:before{background:linear-gradient(90deg,#8b5cf6,#ec4899,#8b5cf6)}.manual-pay-container{background:var(--color-fondo-secundario);border-color:var(--color-borde)}.text-gradient-premium{background:linear-gradient(135deg,#ffc107 0%,#ff5722 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.price-card{background:var(--color-fondo);border:1px solid var(--color-borde);transition:all .3s}.price-card:hover{transform:translateY(-4px)}.price-card.premium-glow{border-color:#ffc107;box-shadow:0 0 20px #ffc1071a}.payment-methods-grid .bg-body{background-color:var(--color-fondo)!important}@media (width<=768px){.practice-engine>div{overflow:hidden;padding:1rem!important}.practice-engine .d-flex.align-items-center.mb-4{flex-wrap:wrap;gap:.5rem}.practice-engine .badge{border-radius:50%!important;padding:.45rem .6rem!important;font-size:0!important}.practice-engine .badge i,.practice-engine .badge .bi{margin:0!important;font-size:.85rem!important}.game-board .d-flex.flex-column.align-items-center{padding:1.5rem 1rem!important}.game-board .d-flex.flex-column.align-items-center h4{font-size:1.1rem!important}.game-board .d-flex.flex-column.align-items-center p{font-size:.85rem!important}.game-board .d-flex.flex-column.align-items-center .display-4{font-size:2rem!important}}.support-page{align-items:center;min-height:80vh;display:flex}.support-card{border:1px solid rgba(var(--bs-emphasis-color-rgb), .1);background:var(--bs-body-bg);border-radius:24px;overflow:hidden}.support-info-sidebar{background:linear-gradient(135deg, var(--bs-primary) 0%, #0052cc 100%)}.info-icon{color:#fffc;background:#ffffff1a;border-radius:12px;justify-content:center;align-items:center;width:45px;height:45px;font-size:1.5rem;display:flex}.form-control,.form-select{border:1.5px solid rgba(var(--bs-emphasis-color-rgb), .1);background:rgba(var(--bs-emphasis-color-rgb), .02);border-radius:12px;padding:.75rem 1rem;transition:all .2s}.form-control:focus,.form-select:focus{background:var(--bs-body-bg);border-color:var(--bs-primary);box-shadow:0 0 0 4px rgba(var(--bs-primary-rgb), .1)}.glass-card{box-shadow:0 20px 40px #0000001a}[data-bs-theme=dark] .support-card{background:#121212}[data-bs-theme=dark] .glass-card{box-shadow:0 20px 40px #0006}