:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media 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.theme-toggle-row{border-bottom-color:#222!important}body.dark-mode .theme-toggle-row span{color:#e0e0e0!important}.user-menu>.theme-toggle:first-of-type{display:none}@media (width>=900px){.user-menu>.theme-toggle:first-of-type{display:inline-flex}}:root{--azul-uanl:#004a8f;--azul-oscuro:#036;--oro-uanl:#fcb131;--blanco:#fff;--gris-fondo:#f4f7f6;--texto-oscuro:#1e293b;--texto-gris:#4b5563;--texto-label:#475569;--borde-suave:#e1e4e8;--sombra-card:0 8px 24px #004a8f14;--radio-borde:12px}*{box-sizing:border-box}body{background-color:var(--gris-fondo);color:var(--texto-oscuro);margin:0;padding:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none;transition:all .3s}ul{margin:0;padding:0;list-style:none}header{background-color:var(--azul-uanl);color:var(--blanco);border-bottom:4px solid var(--oro-uanl);z-index:1000;justify-content:space-between;align-items:center;padding:1rem 5%;display:flex;position:sticky;top:0;box-shadow:0 4px 15px #0000001a}.logo h1{letter-spacing:-.5px;margin:0;font-size:1.6rem;font-weight:800}.logo span{color:var(--oro-uanl)}nav ul{gap:25px;display:flex}nav a{opacity:.9;font-size:.95rem;font-weight:600}nav a:hover{opacity:1;color:var(--oro-uanl)}.hamburger{cursor:pointer;z-index:1002;background:0 0;border:none;flex-direction:column;gap:5px;padding:10px;display:none}.hamburger span{background:var(--blanco);border-radius:3px;width:25px;height:3px;transition:all .3s;display:block}.hamburger.active span:first-child{transform:translateY(8px)rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.user-menu{align-items:center;gap:15px;display:flex;position:relative}.btn-tres-puntitos{cursor:pointer;background:#ffffff26;border:1px solid #ffffff1a;border-radius:20px;align-items:center;gap:10px;padding:8px 15px;transition:all .3s;display:flex}.btn-tres-puntitos:hover{border-color:var(--oro-uanl);background:#ffffff40}.btn-tres-puntitos span{color:#fff;font-size:.9rem;font-weight:600}.icono-puntitos{color:var(--oro-uanl);font-size:1.2rem}.menu-desplegable{z-index:2000;background:#fff;border-radius:12px;min-width:220px;padding:10px 0;animation:.3s slideDown;display:none;position:absolute;top:120%;right:0;overflow:hidden;box-shadow:0 15px 35px #0003}.menu-desplegable.activo{display:block}.menu-desplegable a,.menu-desplegable .dark-mode-row{color:var(--texto-oscuro);border-bottom:1px solid #f0f0f0;align-items:center;padding:12px 20px;font-size:.9rem;font-weight:500;transition:all .2s;display:flex}.menu-desplegable a:last-child{border-bottom:none}.btn-premium-gold{color:#000!important;cursor:pointer!important;background:linear-gradient(135deg,#fbbf24 0%,#f59e0b 100%)!important;border:none!important;border-radius:50px!important;justify-content:center!important;align-items:center!important;gap:10px!important;padding:12px 24px!important;font-family:inherit!important;font-size:.95rem!important;font-weight:800!important;text-decoration:none!important;transition:all .3s cubic-bezier(.175,.885,.32,1.275)!important;display:flex!important;box-shadow:0 4px 15px #f59e0b66!important}.btn-premium-gold:hover{background:linear-gradient(135deg,#f59e0b 0%,#fbbf24 100%)!important;transform:scale(1.05)translateY(-2px)!important;box-shadow:0 8px 25px #f59e0b99!important}.btn-premium-gold:active{transform:scale(.98)!important}.menu-desplegable a#btn-apoyar-nav.btn-premium-gold{border-radius:12px!important;margin:10px 15px!important;padding:12px!important}.menu-desplegable a:hover{color:var(--azul-uanl);background:#f8f9fa;padding-left:25px}.dark-mode-row:hover{background:#f8f9fa}@keyframes 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.2s}.btn-auth,.btn-publicar{background:linear-gradient(135deg, var(--azul-uanl), var(--azul-oscuro));color:#fff;border-radius:var(--radio-borde);width:100%;padding:14px;font-size:1.05rem;font-weight:700;box-shadow:0 4px 10px #004a8f33}.btn-auth:hover,.btn-publicar:hover{transform:translateY(-2px);box-shadow:0 6px 15px #004a8f4d}.btn-cancelar{color:#ff4d4d;background:#fff;border:2px solid #ff4d4d;border-radius:8px;padding:10px 20px;font-weight:700}.btn-cancelar:hover{background:#fff5f5}body.auth-page{flex-direction:column;min-height:100vh;display:flex}.auth-container{flex-grow:1;justify-content:center;align-items:center;width:100%;padding:20px;display:flex}.auth-card{border-top:6px solid var(--azul-uanl);text-align:left;background:#fff;border-radius:24px;width:100%;max-width:450px;padding:40px;box-shadow:0 10px 40px #004a8f1a}.auth-header{text-align:center;margin-bottom:30px}.auth-header h2{color:var(--azul-uanl);margin:0 0 10px;font-size:1.8rem}.auth-header p{color:#666;margin:0;font-size:.95rem}.switch-auth{text-align:center;margin-top:25px;font-size:.9rem;display:block}.switch-auth a{color:var(--azul-uanl);font-weight:700}.auth-page{background:var(--gris-fondo);flex-direction:column;min-height:100vh;display:flex}.auth-page>header{justify-content:center;padding:1rem}.auth-card--center{text-align:center}.auth-card--center .input-group{text-align:left}.auth-error{color:#ff4d4d;text-align:center;margin-bottom:15px;font-size:.9rem}.auth-notice{color:#856404;text-align:center;background:#fff9e6;border:1px solid #ffeeba;border-radius:10px;margin-bottom:20px;padding:12px 15px;font-size:.85rem;line-height:1.45}.auth-hint{color:#e53e3e;margin-top:5px;font-size:.8rem;display:block}.auth-password-toggle{cursor:pointer;color:var(--texto-gris);background:0 0;border:none;padding:0;font-size:.8rem;font-weight:600;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.auth-password-wrap{position:relative}.auth-password-wrap input{box-sizing:border-box;width:100%;padding-right:70px}.auth-terms{text-align:center;color:var(--texto-gris);margin-top:20px;font-size:.8rem}.auth-terms-btn{color:var(--azul-uanl);cursor:pointer;font-size:inherit;background:0 0;border:none;padding:0;font-weight:600;text-decoration:underline}.auth-forgot-link{color:var(--azul-uanl);font-size:.85rem;font-weight:500;text-decoration:none}.auth-forgot-wrap{text-align:right;margin-top:8px}body.dark-mode .auth-page{background:var(--dm-bg)!important}body.dark-mode .auth-card h2,body.dark-mode .auth-header h2{color:var(--dm-link)!important}body.dark-mode .auth-header p,body.dark-mode .auth-card .auth-subtitle{color:var(--dm-muted)!important}body.dark-mode .auth-notice{color:#f0d78a!important;background:#fcb1311f!important;border-color:#fcb13159!important}body.dark-mode .auth-hint{color:#ff8a8a!important}body.dark-mode .auth-terms{color:var(--dm-muted)!important}body.dark-mode .auth-terms-btn,body.dark-mode .switch-auth a,body.dark-mode .auth-forgot-link{color:var(--dm-link)!important}body.dark-mode .auth-password-toggle{color:var(--dm-muted)!important}body.dark-mode .auth-card input,body.dark-mode .auth-card select,body.dark-mode .auth-card textarea{background-color:var(--dm-surface-2)!important;color:var(--dm-text)!important;border-color:var(--dm-border)!important}body.dark-mode .auth-card input::placeholder,body.dark-mode .auth-card textarea::placeholder{opacity:1;color:#94a3b8!important}body.dark-mode .auth-card select:disabled,body.dark-mode .auth-card input:disabled{color:var(--dm-muted)!important;border-color:var(--dm-border)!important;background-color:#152030!important}body.dark-mode .auth-card select option{background:var(--dm-surface);color:var(--dm-text)}.hero{background:linear-gradient(135deg, var(--azul-uanl) 0%, #001f3f 100%);color:#fff;text-align:center;border-radius:0 0 50px 50px;margin-bottom:60px;padding:100px 5%;position:relative;overflow:hidden;box-shadow:0 15px 40px 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18px!important;font-size:1rem!important}.btn-buscar-home{cursor:pointer;background:linear-gradient(135deg, var(--oro-uanl), #ffcd3c);color:#1a202c;white-space:nowrap;border:none;border-radius:14px;flex-shrink:0;padding:0 22px;font-size:.95rem;font-weight:800;transition:transform .15s,box-shadow .15s}.btn-buscar-home:hover{transform:translateY(-1px);box-shadow:0 6px 16px #fca31173}.btn-buscar-home:active{transform:translateY(0)}.search-select{cursor:pointer;width:100%;color:var(--azul-uanl)!important;background:0 0!important;border:none!important;border-top:2px solid #f0f0f0!important;border-radius:14px!important;outline:none!important;padding:12px 18px!important;font-size:.95rem!important;font-weight:700!important}.home-section-title{color:var(--azul-uanl);margin:0 0 1.25rem;font-size:1.5rem;font-weight:800}.empty-state-icon{margin-bottom:.75rem;font-size:3.5rem;line-height:1}.empty-state-actions{flex-wrap:wrap;justify-content:center;gap:.65rem;margin-top:1.25rem;display:flex}.empty-state-actions .cat-chip{cursor:pointer}.categories-wrapper{flex-wrap:wrap;justify-content:center;gap:10px;margin:1.75rem 0 .5rem;display:flex}.cat-chip{color:var(--texto-gris);cursor:pointer;background:#fff;border:1px solid #eee;border-radius:20px;padding:8px 16px;font-size:.9rem;transition:all .2s}.cat-chip:hover,.cat-chip.active{background:var(--azul-uanl);color:#fff;border-color:var(--azul-uanl);transform:translateY(-2px);box-shadow:0 4px 10px #004a8f33}.main-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:20px 5%}.product-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:35px;width:100%;display:grid}.product-card{background:#fff;border:1px solid #00000005;border-radius:16px;transition:transform .3s,box-shadow 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0;font-size:.9rem}.vender-photo-meta{opacity:.85;font-size:.75rem!important}.vender-photo-icon{margin-bottom:.25rem;font-size:2.25rem;display:block}.vender-photo-preview{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.vender-photo-hint{color:var(--texto-gris);margin:.65rem 0 0;font-size:.8rem;line-height:1.4}.vender-fields{flex-direction:column;gap:.25rem;min-width:0;display:flex}.vender-section{border-bottom:1px solid #0000000f;margin-bottom:1.25rem;padding-bottom:1.25rem}.vender-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.vender-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--azul-uanl);margin:0 0 1rem;font-size:.8rem;font-weight:800}.vender-fila{margin-bottom:0!important}.vender-fila .input-group,.vender-section .input-group:last-child{margin-bottom:0}.vender-actions{border-top:1px solid #004a8f1a;flex-direction:column;gap:.75rem;margin-top:1.75rem;padding-top:1.5rem;display:flex}.vender-actions .btn-publicar{width:100%}.vender-actions .btn-cancelar-premium{margin-top:0}.btn-publicar{background:linear-gradient(135deg, var(--oro-uanl), #fca311);color:#000;border:none;border-radius:30px;padding:16px;font-size:1.1rem;font-weight:800;transition:all .3s;box-shadow:0 8px 25px #fca3114d}.btn-publicar:hover{transform:scale(1.02);box-shadow:0 12px 35px #fca31180}.btn-cancelar-premium{color:#888;background:0 0;border:1px solid #eee;border-radius:30px;width:100%;margin-top:15px;padding:12px;font-weight:600;transition:all .3s}.btn-cancelar-premium:hover{color:#ff4d4d;background:#fdfdfd;border-color:#ff4d4d}.file-upload-wrapper{background:#fafafa;border:2px dashed #ccc;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;height:180px;transition:all .3s;display:flex;position:relative;overflow:hidden}.file-upload-wrapper:hover{border-color:var(--azul-uanl);background:#f0f7ff}.file-upload-wrapper 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solid #eee;border-radius:12px;align-items:center;gap:15px;padding:10px;display:flex}.label-privacidad{color:#444;font-size:.9rem}.btn-borrar-mini{color:#ff4d4d;cursor:pointer;background:#fff0f0;border:none;border-radius:8px;padding:8px;transition:all .2s}.btn-borrar-mini:hover{background:#ffe0e0}body.dark-mode{--dm-bg:#0f1623;--dm-surface:#161f2e;--dm-surface-2:#1c2838;--dm-border:#2a3a52;--dm-header:#0a1628;--dm-text:#e8eef4;--dm-muted:#94a3b8;--dm-link:#7eb8ff;--gris-fondo:var(--dm-bg)!important;--blanco:var(--dm-surface)!important;--texto-oscuro:var(--dm-text)!important;--texto-gris:var(--dm-muted)!important;--borde-suave:var(--dm-border)!important;--azul-uanl:var(--dm-link)!important;--sombra-card:0 8px 24px #00000059!important;background-color:var(--dm-bg)!important;color:var(--dm-text)!important}body.dark-mode input::placeholder,body.dark-mode textarea::placeholder{opacity:1;color:#7a8fa8!important}body.dark-mode h1,body.dark-mode h2,body.dark-mode h3,body.dark-mode 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.value{color:var(--dm-link)!important}body.dark-mode .label-privacidad{color:var(--dm-muted)!important}body.dark-mode .profe-card{border-left-color:var(--dm-link)!important}body.dark-mode .select-premium{color:var(--dm-link)!important}body.dark-mode .social-page-header,body.dark-mode .teachers-header{border:1px solid var(--dm-border);background:linear-gradient(135deg,#0a2848 0%,#061220 100%)!important}body.dark-mode .social-page-title,body.dark-mode .teachers-title{color:#fff!important}body.dark-mode .social-page-subtitle,body.dark-mode .teachers-subtitle{color:#ffffffe0!important}body.dark-mode .social-filter-label,body.dark-mode .social-feed-count{color:var(--dm-muted)!important}body.dark-mode .social-faculty-filter{background:var(--dm-surface-2)!important;border-color:var(--dm-border)!important;color:var(--dm-text)!important}body.dark-mode .social-feed-toolbar,body.dark-mode 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h4{color:var(--dm-text)!important}.post-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:left;background:#ffffffe6;border:1px solid #0033660d;border-radius:20px;margin-bottom:25px;padding:25px;transition:all .3s;box-shadow:0 10px 30px #0000000d}.post-card:hover{box-shadow:0 15px 40px #004a8f1a}.post-header{align-items:center;gap:15px;margin-bottom:15px;display:flex}.post-avatar-img{object-fit:cover;border:2px solid #fff;border-radius:50%;width:45px;height:45px;box-shadow:0 4px 10px #0000001a}.post-info h4{color:var(--azul-uanl);margin:0;font-size:1.1rem;font-weight:700}.post-meta{color:#888;margin-top:2px;font-size:.75rem;display:block}.post-actions{border-top:1px solid #0000000d;gap:15px;margin-top:15px;padding-top:15px;display:flex}.action-btn{color:#666;cursor:pointer;background:0 0;border:none;border-radius:10px;align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;font-weight:600;transition:all .2s 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.post-creator,body.dark-mode .post-card,body.dark-mode .comentario-body,body.dark-mode .profe-card{background-color:var(--dm-surface)!important;border:1px solid var(--dm-border)!important;color:#f0f0f0!important}body.dark-mode .sidebar-card{border-top:5px solid var(--dm-link)!important}body.dark-mode .post-creator textarea,body.dark-mode .comentar-input input{background-color:var(--dm-surface-2)!important;color:#fff!important;border-color:#333!important}body.dark-mode .post-creator textarea:focus,body.dark-mode .comentar-input input:focus{background-color:var(--dm-surface-2)!important;border-color:var(--dm-link)!important}body.dark-mode .post-content,body.dark-mode .comentario-texto,body.dark-mode .action-btn{color:#ccc!important}body.dark-mode .action-btn:hover{background-color:var(--dm-surface-2)!important;color:var(--dm-link)!important}body.dark-mode .post-info span,body.dark-mode .comentario-fecha,body.dark-mode .stat-box span{color:#aaa!important}body.dark-mode .post-info 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p{color:var(--texto-gris);margin:0;font-weight:500}.social-profile-card{align-items:center;gap:.85rem;margin-bottom:1rem;display:flex}.social-profile-name{color:var(--texto-oscuro);margin:0;font-size:1.05rem}.social-profile-faculty{color:var(--texto-label);margin:.25rem 0 0;font-size:.8rem;font-weight:600;line-height:1.3}.stats-row{grid-template-columns:1fr 1fr;gap:.65rem;margin-bottom:1rem;display:grid}.stat-box{text-align:center;border:1px solid var(--borde-suave);background:#004a8f0d;border-radius:10px;padding:.75rem}.stat-box strong{color:var(--azul-uanl);font-size:1.25rem;display:block}.stat-box span{color:var(--texto-gris);text-transform:uppercase;font-size:.75rem;font-weight:700}.social-rules-details{border:1px solid var(--borde-suave);background:#0033660a;border-radius:12px;margin-top:.5rem;padding:.75rem}.social-rules-details summary{cursor:pointer;color:var(--azul-uanl);font-size:.9rem;font-weight:700;list-style:none}.social-rules-details 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#0003}.switch-site-btn.is-on{background:#f85149}.switch-site-btn.is-off{background:#3fb950}.admin-sidebar-backdrop{z-index:1999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000008c;display:none;position:fixed;inset:3.75rem 0 0}.admin-sidebar-backdrop.visible{display:block}body.admin-nav-open{overflow:hidden}@media (width>=48.0625rem) and (width<=64rem){.admin-stats-grid-v2{grid-template-columns:repeat(3,minmax(0,1fr))!important}.admin-charts-row{grid-template-columns:1fr!important}.admin-main-v2{padding:1.25rem!important}.control-right{flex-wrap:wrap;display:flex!important}.switch-site-btn{width:auto}}@media (width<=48rem){.admin-pro-layout{height:100vh}.admin-header-v2{gap:.5rem;height:3.75rem;min-height:3.75rem;padding:0 .75rem!important}.admin-logo-v2{flex:1;min-width:0}.admin-logo-v2 h1{white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:.8rem!important}.admin-logo-v2>span:not(.badge-pro){display:none}.admin-header-right{flex-shrink:0;gap:.5rem}.admin-header-right .status-live,.admin-header-right .admin-user-info{display:none!important}.admin-btn-exit{padding:.4rem .65rem;font-size:.75rem}.admin-container-v2{position:relative;flex-direction:row!important}.admin-sidebar-v2{z-index:2000!important;border-right:1px solid var(--admin-border)!important;border-bottom:none!important;flex-flow:column!important;width:min(17.5rem,88vw)!important;height:auto!important;padding:1rem 0!important;transition:left .3s cubic-bezier(.4,0,.2,1)!important;position:fixed!important;top:3.75rem!important;bottom:0!important;left:-17.5rem!important;overflow:hidden auto!important;box-shadow:8px 0 32px #00000080!important}.admin-sidebar-v2.open{left:0!important}.admin-nav-group{flex-direction:column!important;gap:0!important;margin-bottom:1rem!important;display:block!important}.admin-nav-label{display:block!important}.admin-nav-item-v2{min-height:2.75rem;white-space:normal!important;background:0 0!important;border-radius:0!important}.admin-main-v2{-webkit-overflow-scrolling:touch;width:100%!important;padding:1rem .75rem!important;padding-bottom:max(1rem, env(safe-area-inset-bottom))!important;overflow-y:auto!important}.admin-dashboard-title h2{font-size:1.2rem!important}.admin-stats-grid-v2{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:.5rem!important;margin-bottom:1.25rem!important}.admin-stat-card-v2{padding:.85rem!important}.stat-content-v2 .stat-value-v2{font-size:1.35rem!important}.admin-control-bar{flex-direction:column!important;align-items:stretch!important;gap:.75rem!important;margin-bottom:1.25rem!important;padding:1rem!important}.control-right{width:100%;flex-direction:column!important;gap:.5rem!important;display:flex!important}.control-right .btn-admin-action,.control-right .switch-site-btn{justify-content:center;width:100%!important}.admin-charts-row{grid-template-columns:1fr!important;gap:.75rem!important;margin-bottom:1rem!important}.admin-chart-card-v2{padding:1rem!important}.admin-chart-canvas{height:14rem}.admin-card-pro{padding:1rem .75rem!important}.admin-table-wrap:after{display:block}.admin-table{min-width:32rem}.admin-actions-cell{flex-direction:column;align-items:stretch}.admin-actions-cell .admin-btn-action{text-align:center;width:100%}.admin-form-row{flex-direction:column;align-items:stretch}.admin-form-row .btn-admin-action{width:100%}}@media 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