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.chevron{color:#d1d5db}.sidebar-content{padding-top:1rem;height:100%;overflow-y:auto;overflow-x:hidden}.nav-list{list-style:none;margin:0;padding:0;width:100%}.nav-item{display:flex;align-items:center;padding:0;position:relative;height:3.5rem;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);color:#374151}.sidebar-admin.dark .nav-item{color:#d1d5db}.nav-item:hover{color:#111827}.sidebar-admin.dark .nav-item:hover{color:#f9fafb}.nav-item.active{color:#1d4ed8}.sidebar-admin.dark .nav-item.active{color:#fff}.nav-bg{position:absolute;left:.75rem;width:2.5rem;height:2.5rem;background:#e5e7eb;border-radius:.375rem;box-shadow:0 1px 2px #0000000d;opacity:0;transition:all .2s ease}.sidebar-admin.expanded .nav-bg{width:calc(100% - 1.5rem);transition:width .3s ease}.nav-item:hover .nav-bg{opacity:1;background:#f3f4f6}.sidebar-admin.dark .nav-item:hover .nav-bg{background:#4b556380}.nav-item.active .nav-bg{opacity:1;background:#e5e7eb}.sidebar-admin.dark .nav-item.active .nav-bg{background:#4b5563}.active-indicator{position:absolute;left:0;top:50%;transform:translateY(-50%);width:.25rem;height:2rem;background:#2563eb;border-radius:0 .125rem .125rem 0}.sidebar-admin.dark .active-indicator{background:#3b82f6}.nav-icon-container{height:100%;display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:10;width:4rem}.nav-icon{width:1.25rem;height:1.25rem}.nav-item.active .nav-icon{color:#2563eb}.sidebar-admin.dark .nav-item.active .nav-icon{color:#3b82f6}.nav-label-container{height:100%;display:flex;align-items:center;overflow:hidden;z-index:10;flex:1;width:0;opacity:0;transition:width .3s ease,opacity .3s ease}.sidebar-admin.expanded .nav-label-container{width:auto;opacity:1}.nav-label{white-space:nowrap;font-size:.9375rem;font-weight:500}@media (min-width: 1024px){.sidebar-backdrop{display:none!important}}@media (max-width: 1024px){.sidebar-admin{transform:translate(-100%);transition:transform .3s ease}.sidebar-admin.expanded{transform:translate(0);width:15rem}.sidebar-admin.expanded .toggle-btn-float{left:13.75rem}}@media (max-width: 768px){.sidebar-admin.expanded{width:14rem}.sidebar-admin.expanded .toggle-btn-float{left:12.75rem}.nav-item{height:3rem}.nav-label{font-size:.875rem}}.sidebar-content::-webkit-scrollbar{width:.25rem}.sidebar-content::-webkit-scrollbar-track{background:transparent}.sidebar-content::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:.125rem}.sidebar-content::-webkit-scrollbar-thumb:hover{background:#9ca3af}.sidebar-admin.dark .sidebar-content::-webkit-scrollbar-thumb{background:#6b7280}.sidebar-admin.dark .sidebar-content::-webkit-scrollbar-thumb:hover{background:#9ca3af}.perfil-dropdown-admin{position:absolute;top:72px;right:1.5rem;background-color:#fff;border-radius:10px;box-shadow:0 8px 20px #00000026;overflow:hidden;z-index:999;font-family:Poppins,sans-serif;min-width:160px;transition:all .3s ease}.perfil-dropdown-admin.dark{background-color:#1e293b;box-shadow:0 8px 20px #00000080;border:1px solid rgba(255,255,255,.05)}.perfil-dropdown-admin.dark .dropdown-item-admin{background-color:#1e293b;color:#e2e8f0;border-bottom:1px solid #334155}.perfil-dropdown-admin.dark .dropdown-item-admin:hover{background-color:#334155;color:#6ee7b7;border-left:3px solid #2EBAA0}.perfil-dropdown-admin.dark .dropdown-item-admin:focus{outline:none;background-color:#334155;border-left:3px solid #2EBAA0}.perfil-dropdown-admin.dark .dropdown-item-admin:active{background-color:#475569}.dropdown-item-admin{all:unset;display:flex;align-items:center;gap:10px;padding:12px 16px;font-size:14px;color:#1f2937;background-color:#fff;cursor:pointer;width:100%;border:none;box-sizing:border-box;text-align:left;transition:background .2s ease,color .2s ease;border-bottom:1px solid #f3f4f6}.dropdown-item-admin:last-child{border-bottom:none}.dropdown-item-admin:hover{background:#d1fae5;color:#065f46;border-left:3px solid #2EBAA0}.dropdown-item-admin:focus{outline:none;background-color:#d1fae5;border-left:3px solid #2EBAA0}.dropdown-item-admin:active{background-color:#a7f3d0}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}:root{--topbar-height: 64px}.topbar-admin{display:flex;align-items:center;justify-content:space-between;height:64px;background:#fff;color:var(--text-primary);padding:0 24px;box-shadow:none;border-bottom:none;position:fixed;top:0;left:0;right:0;z-index:1000;transition:background-color .3s ease}.dark .topbar-admin{background:#1f2937;color:#d1d5db;border-bottom:1px solid rgba(255,255,255,.03)}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-logo{display:flex;align-items:center;gap:12px}.logo-image{height:40px;width:auto;object-fit:contain;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.light .logo-image{filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.topbar-center{flex:1;display:flex;align-items:center;justify-content:center}.topbar-title{font-size:1.25rem;font-weight:600;color:#374151;margin:0}.dark .topbar-title{color:#f3f4f6}.topbar-right{display:flex;align-items:center;gap:16px}.theme-toggle{position:relative;display:inline-flex;align-items:center;cursor:pointer;background:none;border:none;padding:0;width:60px;height:30px;margin-right:6px}.theme-checkbox{position:absolute;opacity:0;width:0;height:0}.theme-slider{position:relative;width:60px;height:30px;background:#fff;border-radius:15px;transition:background-color .3s ease;box-shadow:0 1px 2px #0000000d}.theme-checkbox:checked+.theme-slider{background:#71717a}.theme-slider:after{content:"";position:absolute;width:22px;height:22px;background:linear-gradient(to right,#f97316,#eab308);border-radius:50%;top:4px;left:4px;transition:transform .3s ease,background .3s ease}.theme-checkbox:checked+.theme-slider:after{transform:translate(130%);background:linear-gradient(to right,#18181b,#18181b)}.sun-icon,.moon-icon{position:absolute;width:16px;height:16px;transition:opacity .3s ease;z-index:1;pointer-events:none}.sun-icon{left:7px;top:7px;color:#fff;opacity:1}.moon-icon{right:8px;top:7px;color:#374151;opacity:.6}.theme-checkbox:checked~.sun-icon{opacity:.6}.theme-checkbox:checked~.moon-icon{opacity:.7;color:#fff}.theme-toggle:hover .theme-slider{box-shadow:0 2px 4px #0000001a}.theme-checkbox:focus+.theme-slider{outline:2px solid rgba(255,255,255,.06);outline-offset:2px}.user-avatar{cursor:pointer;border-radius:50%!important;overflow:hidden!important;width:40px;height:40px;border:2px solid transparent;transition:border-color .2s ease;display:inline-flex;align-items:center;justify-content:center;background:transparent;flex-shrink:0;clip-path:circle(50%)}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:700;font-size:18px;border-radius:50%}.user-avatar:hover{border-color:transparent!important;box-shadow:none!important}.dark .user-avatar,.dark .user-avatar:hover{border-color:transparent;box-shadow:none}@media (max-width: 768px){.topbar-admin{padding:0 12px}.logo-image{height:32px}.topbar-title{font-size:1rem}}@media (max-width: 640px){.topbar-title{display:none}}:root{--sidebar-width-open: 16rem;--sidebar-width-closed: 4rem;--topbar-height: 64px;--color-primario: #0C0E2B;--color-secundario: #2EBAA0;--color-terciario: #FBBE1D}.layout-admin{display:flex;height:100vh;overflow:hidden;background:#f1f5f9;color:#1f2937;font-family:Roboto,Poppins,sans-serif;transition:all .3s ease}.layout-admin.dark-theme{background:#152135;color:#e6eef8}.layout-content{display:flex;position:fixed;inset:64px 0 0;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;transition:margin-left .3s ease-in-out;background:#f1f5f9;padding:1.5rem}.main-content.dark-theme{background:linear-gradient(180deg,#121c2e,#0e1825)}.main-content.sidebar-expanded{margin-left:var(--sidebar-width-open)}.main-content.sidebar-collapsed{margin-left:var(--sidebar-width-closed)}.content-wrapper{flex:1;width:100%;max-width:100%;box-sizing:border-box}.content-wrapper.dark-theme{color:#e6eef8}@media (max-width: 1024px){.main-content.sidebar-expanded,.main-content.sidebar-collapsed{margin-left:0}.main-content{padding:1.25rem}}@media (max-width: 768px){.main-content{padding:1rem}}.main-content::-webkit-scrollbar{width:6px}.main-content::-webkit-scrollbar-track{background:#f1f5f9}.main-content::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.main-content::-webkit-scrollbar-thumb:hover{background:#94a3b8}.main-content.dark-theme::-webkit-scrollbar-track{background:#374151}.main-content.dark-theme::-webkit-scrollbar-thumb{background:#6b7280}.main-content.dark-theme::-webkit-scrollbar-thumb:hover{background:#9ca3af}.titulo-page-container{margin-top:var(--page-title-space-above, 12px);margin-bottom:var(--page-title-space-below, 20px);text-align:center}.titulo-page{font-size:2.2rem;font-size:clamp(1.25rem,1.6rem + .8vw,2.2rem)!important;font-weight:700;text-align:center;color:var(--title-color, #3D3C3B);letter-spacing:-.5px;line-height:1.15;transition:color .18s ease}body.dark .titulo-page,html.dark .titulo-page,:root.dark .titulo-page{color:var(--title-color, #cfe8f5)}.titulo-page-container .page-subtitle{color:#6b7280;font-size:1rem;max-width:960px;margin:20px auto;text-align:center;line-height:1.35}body.dark .titulo-page-container .page-subtitle,:root.dark .titulo-page-container .page-subtitle,html.dark .titulo-page-container .page-subtitle{color:#cbd5e1}@media (max-width: 768px){.titulo-page-container .page-subtitle{margin-top:12px;margin-bottom:14px;font-size:.95rem}}:root{--inicio-estudiante-servicio-min-width: 220px;--card-bg-light: #ffffff;--card-border-light: rgba(0, 0, 0, .12);--card-border-hover-light: rgba(115, 147, 138, .35);--card-shadow-light: 0 2px 8px rgba(0, 0, 0, .06);--card-shadow-hover-light: 0 10px 24px rgba(0, 0, 0, .1), 0 2px 8px rgba(0, 0, 0, .06);--card-text-light: #1a1a1a}.dark{--card-bg-dark: rgba(30, 40, 56, .6);--card-border-dark: rgba(115, 147, 138, .15);--card-border-hover-dark: rgba(115, 147, 138, .45);--card-shadow-dark: 0 2px 12px rgba(0, 0, 0, .3);--card-shadow-hover-dark: 0 6px 20px rgba(0, 0, 0, .4), 0 0 0 1px rgba(115, 147, 138, .25);--card-text-dark: #e8eaed;--card-bg-hover-dark: rgba(37, 52, 71, .75)}.inicio-estudiante-container{min-height:100vh;background:var(--bg-primary);padding:20px;transition:background-color .3s ease;color:var(--text-primary)}.inicio-estudiante{max-width:1400px;margin:0 auto;display:flex;flex-direction:column;align-items:center}.inicio-estudiante-cursos-section{display:flex;flex-direction:column;gap:20px;width:100%;align-items:center}.inicio-estudiante-servicios-container{width:100%;max-width:1400px;margin:12px auto 0}.inicio-estudiante-servicios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(var(--inicio-estudiante-servicio-min-width),1fr));gap:14px;margin-top:16px;justify-content:center}@media (min-width: 1025px){.inicio-estudiante-servicios-grid{grid-template-columns:repeat(4,minmax(var(--inicio-estudiante-servicio-min-width),1fr))}}.inicio-estudiante-servicio-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px 16px;min-height:120px;min-width:var(--inicio-estudiante-servicio-min-width);background:var(--card-bg-light);border:1px solid var(--card-border-light);box-shadow:var(--card-shadow-light);color:var(--card-text-light);border-radius:12px;text-decoration:none;font-weight:600;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .3s ease;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.inicio-estudiante-servicio-card:hover{transform:translateY(-4px);border-color:var(--card-border-hover-light);box-shadow:var(--card-shadow-hover-light)}.inicio-estudiante-servicio-card:active{transform:translateY(-2px)}.dark .inicio-estudiante-servicio-card{background:var(--card-bg-dark);border-color:var(--card-border-dark);box-shadow:var(--card-shadow-dark);color:var(--card-text-dark)}.dark .inicio-estudiante-servicio-card:hover{border-color:var(--card-border-hover-dark);box-shadow:var(--card-shadow-hover-dark);background:var(--card-bg-hover-dark)}.inicio-estudiante-servicio-svg{width:48px;height:48px;transition:transform .2s ease;flex-shrink:0}.inicio-estudiante-servicio-card:hover .inicio-estudiante-servicio-svg{transform:scale(1.05)}.inicio-estudiante-servicio-card span{font-size:1rem;text-align:center;line-height:1.3;transition:color .2s ease}@media (min-width: 1400px){.inicio-estudiante-servicio-card{padding:28px 20px;min-height:140px}.inicio-estudiante-servicio-svg{width:56px;height:56px}.inicio-estudiante-servicio-card span{font-size:1.05rem}}@media (max-width: 1024px){.inicio-estudiante-servicios-grid{grid-template-columns:repeat(3,minmax(var(--inicio-estudiante-servicio-min-width),1fr));gap:12px}.inicio-estudiante-servicio-card{padding:22px 16px;min-height:110px}}@media (max-width: 768px){.inicio-estudiante-container{padding:16px}.inicio-estudiante-servicios-grid{grid-template-columns:repeat(2,minmax(var(--inicio-estudiante-servicio-min-width),1fr));gap:10px}.inicio-estudiante-servicio-card{padding:20px 14px;min-height:100px}.inicio-estudiante-servicio-svg{width:44px;height:44px}.inicio-estudiante-servicio-card span{font-size:.95rem}}@media (max-width: 480px){:root{--inicio-estudiante-servicio-min-width: 155px}.inicio-estudiante-container{padding:12px}.inicio-estudiante-servicios-grid{gap:8px}.inicio-estudiante-servicio-card{padding:16px 12px;min-height:95px;gap:8px}.inicio-estudiante-servicio-svg{width:40px;height:40px}.inicio-estudiante-servicio-card span{font-size:.9rem}}article.curso-card{position:relative;display:flex;flex-direction:column;border-radius:16px;background:var(--card-bg, #ffffff)!important;border:1.5px solid #cbd5e1!important;box-shadow:0 10px 40px #0000001a,0 6px 18px #0000000f!important;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease!important;cursor:pointer;max-width:340px;width:100%;margin:0 auto;min-height:300px}article.curso-card:before{display:none!important;content:none!important}.dark article.curso-card{background:linear-gradient(180deg,#1e293bf2,#1e293bfa)!important;border:1px solid rgba(71,85,105,.4)!important;box-shadow:0 10px 40px #0000004d,0 6px 18px #0003!important}article.curso-card:hover{transform:translateY(-4px)!important;box-shadow:0 15px 50px #00000026,0 8px 25px #0000001a!important}.dark article.curso-card:hover{box-shadow:0 15px 50px #0006,0 8px 25px #00000040!important}.curso-card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:35px 20px 16px;background:#f8fafc!important;border-bottom:2px solid #e2e8f0!important}.dark .curso-card__header{background:#33415580!important;border-bottom:2px solid rgba(71,85,105,.5)!important}.curso-card__header-content{flex:1;display:flex;flex-direction:column;gap:0px;min-width:0;line-height:1}.curso-card__titulo{margin:0 0 2px;font-size:1.25rem;line-height:1.2;color:#1e293b!important;font-weight:600;text-shadow:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none;position:relative;display:inline-block;max-width:100%;transition:text-decoration .2s ease}.curso-card__titulo:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}.dark .curso-card__titulo{color:#fff!important;text-shadow:none}.curso-card__docente-nombre{font-size:.8rem;color:#475569;font-weight:500;display:inline-block;line-height:1.2;max-width:calc(100% - 30px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;vertical-align:middle;margin-top:0}.dark .curso-card__docente-nombre{color:#fffffff2}.curso-card__seccion{display:inline-block;font-size:.8rem;color:#64748b;font-weight:400;margin-left:4px;vertical-align:middle;white-space:nowrap}.dark .curso-card__seccion{color:#ffffffe6}.curso-card__avatar{width:60px;height:60px;border-radius:50%;overflow:hidden;flex-shrink:0}.curso-card__avatar .avatar-img{width:100%;height:100%;object-fit:cover}.curso-card__avatar .avatar-inner{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:700;font-size:1rem}.curso-card__body{flex:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:45px 20px!important}.curso-card__stats{display:flex;flex-direction:column;gap:30px;padding:0;width:100%}.curso-card__stats .stat-item{display:flex;flex-direction:row;align-items:center;gap:10px!important;font-size:.95rem;color:var(--text-secondary, #64748b)}.dark .curso-card__stats .stat-item{color:#cbd5e1bf}.curso-card__stats .stat-icon{font-size:1.75rem!important;color:#4c7c74b3!important;flex-shrink:0;width:28px;height:28px}.dark .curso-card__stats .stat-icon{color:#5a9e8dcc!important}.curso-card__stats .stat-icon-svg{width:28px;height:28px;flex-shrink:0;opacity:.8;transition:opacity .2s ease,filter .2s ease}.dark .curso-card__stats .stat-icon-svg{filter:brightness(0) invert(1);opacity:.9}.curso-card__stats .stat-item span{font-weight:500;font-size:1rem;color:var(--text-primary, #1e293b);white-space:nowrap;margin-left:0!important;padding-left:0!important}.dark .curso-card__stats .stat-item span{color:#e2e8f0e6}.curso-card__footer{padding:10px 20px!important;border-top:1.5px solid #cbd5e1!important;background:#f8fafc80}.dark .curso-card__footer{border-top:1px solid rgba(71,85,105,.4)!important;background:#1e293b4d}.curso-card__quick-actions{display:flex;gap:30px;justify-content:center;align-items:center}.quick-action-btn{display:flex;align-items:center;justify-content:center;padding:0;border:none;background:transparent;transition:all .2s ease;cursor:pointer;text-decoration:none;flex-shrink:0}.quick-action-btn:hover{transform:translateY(-2px)}.quick-action-icon{width:24px;height:24px;transition:all .2s ease}.quick-action-btn--meet:hover .quick-action-icon,.quick-action-btn--gmail:hover .quick-action-icon,.quick-action-btn--drive:hover .quick-action-icon,.quick-action-btn--calendar:hover .quick-action-icon{filter:brightness(1.1)}.dark .quick-action-icon{opacity:.95}.dark .curso-card{background:linear-gradient(180deg,#1e293bf2,#1e293bfa);border-color:#47556966}@media (min-width: 1200px) and (max-width: 1300px){.curso-card{max-width:280px;min-height:280px}.curso-card__header{padding:16px 16px 14px}.curso-card__avatar{width:50px;height:50px}.curso-card__titulo{font-size:1.05rem}.curso-card__docente-nombre{font-size:.75rem}.curso-card__seccion{font-size:.8rem}.curso-card__body{padding:35px 16px!important}.curso-card__stats{gap:22px}.curso-card__stats .stat-icon-svg{width:24px;height:24px}.curso-card__stats .stat-item{gap:8px!important}.curso-card__stats .stat-item span{font-size:.9rem}.curso-card__footer{padding:8px 16px!important}.curso-card__quick-actions{gap:24px}.quick-action-icon{width:20px;height:20px}}@media (max-width: 768px){.curso-card__header{padding:16px 16px 14px}.curso-card__avatar{width:52px;height:52px}.curso-card__titulo{font-size:1.1rem}.curso-card__docente-nombre,.curso-card__seccion{font-size:.8rem}.curso-card__body{padding:32px 16px!important}.curso-card__stats{gap:20px}.curso-card__stats .stat-icon-svg{width:24px;height:24px}.curso-card__stats .stat-item{gap:8px!important}.curso-card__stats .stat-item span{font-size:.9rem}.curso-card__footer{padding:8px 16px!important}.curso-card__quick-actions{gap:28px}.quick-action-icon{width:22px;height:22px}}@media (max-width: 480px){.curso-card__header{padding:14px 14px 12px}.curso-card__avatar{width:48px;height:48px}.curso-card__titulo{font-size:1rem}.curso-card__docente-nombre,.curso-card__seccion{font-size:.75rem}.curso-card__body{padding:28px 14px!important}.curso-card__stats{gap:16px}.curso-card__stats .stat-icon-svg{width:22px;height:22px}.curso-card__stats .stat-item{gap:7px!important}.curso-card__stats .stat-item span{font-size:.85rem}.curso-card__footer{padding:7px 14px!important}.curso-card__quick-actions{gap:30px}.quick-action-icon{width:20px;height:20px}}:root{--skeleton-base: #f0f0f0;--skeleton-shimmer: #e0e0e0;--skeleton-highlight: #f5f5f5;--skeleton-border: #e8e8e8;--skeleton-card-bg: #ffffff;--skeleton-text: #d0d0d0}.dark{--skeleton-base: #0f172a;--skeleton-shimmer: #334155;--skeleton-highlight: #252525;--skeleton-border: #2a2a2a;--skeleton-card-bg: #161616;--skeleton-text: #333333}.skeleton-card{opacity:.9;pointer-events:none;margin-bottom:16px;animation:fadeIn .3s ease-in;background-color:var(--skeleton-card-bg);border-left:7px solid #e0e0e0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:.9;transform:translateY(0)}}.skeleton{background:linear-gradient(90deg,var(--skeleton-base) 0%,var(--skeleton-shimmer) 20%,var(--skeleton-base) 40%,var(--skeleton-base) 100%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:6px;display:inline-block}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-header{display:flex;justify-content:space-between;align-items:flex-start;padding:16px;gap:16px}.skeleton-title-section{flex:1;display:flex;flex-direction:column;gap:8px}.skeleton-title{height:20px;width:70%;max-width:300px}.skeleton-subtitle{height:14px;width:50%;max-width:200px}.skeleton-badge{height:28px;width:90px;flex-shrink:0}.skeleton-content{padding:0 16px 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