: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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.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 .3s;overflow:hidden;box-shadow:0 4px 12px #0000000d}.product-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a}.product-card img{object-fit:cover;border-bottom:1px solid #f0f0f0;width:100%;height:200px}.product-info{padding:15px}.product-info h4{margin:0 0 5px;font-size:1.1rem}.price{color:var(--azul-uanl);margin:5px 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.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 input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute}.preview-image{object-fit:cover;width:100%;height:100%;display:none;position:absolute;top:0;left:0}.fila-responsive{gap:20px;margin-bottom:20px;display:flex}.fila-responsive>div{flex:1}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px;display:grid}.stat-card{text-align:center;box-shadow:var(--sombra-card);border-bottom:4px solid var(--oro-uanl);background:#fff;border-radius:16px;padding:25px}.stat-card p{color:var(--azul-uanl);margin:0;font-size:2.5rem;font-weight:700}.profe-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6;border:1px solid #0033660d;border-radius:20px;margin-bottom:25px;padding:25px;transition:all .3s;box-shadow:0 10px 30px #0000000d}.rating-box{background:#f8f9fa;border-radius:12px;grid-template-columns:1fr 1fr 1fr;gap:15px;margin:15px 0;padding:15px;display:grid}.icon-stat{margin-bottom:5px;font-size:1.5rem;display:block}.stat-value{font-size:1.2rem;font-weight:800;display:block}.stat-label{color:#888;text-transform:uppercase;letter-spacing:1px;font-size:.7rem}.modal{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:3000;background:#000000bf;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;animation:.3s fadeIn;display:none;position:fixed;top:0;left:0}.modal.active{display:flex}.modal-content{background:#fff;border:1px solid #ffffff1a;border-radius:28px;width:95%;max-width:500px;padding:35px;animation:.4s cubic-bezier(.175,.885,.32,1.275) slideUp;position:relative;box-shadow:0 25px 60px #0000004d}.close-modal-btn{color:#666;cursor:pointer;background:#f0f2f5;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.2rem;transition:all .3s;display:flex;position:absolute;top:20px;right:20px}.close-modal-btn:hover{color:#fff;background:#ff4d4d;transform:rotate(90deg)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.badge-admin{background:var(--oro-uanl);color:#000;border-radius:4px;padding:4px 8px;font-size:.7rem;font-weight:700}.banned{background-color:#ffeaea;border:1px solid #ff4d4d}.btn-ban{color:#fff;background:#dc3545;border-radius:6px;padding:5px 12px;font-size:.8rem}.btn-unban{color:#fff;background:#28a745;border-radius:6px;padding:5px 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var(--azul-uanl);background:#fff;border-radius:12px;width:100%;margin-bottom:20px;padding:20px;display:block;box-shadow:0 4px 10px #0000000d}.profe-header{justify-content:space-between;align-items:center;width:100%;margin-bottom:20px;display:flex}.profe-info{text-align:left;flex:1}.profe-info h3{color:#333;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:1.2rem;overflow:hidden}.badge-facultad{color:#555;background-color:#eee;border-radius:4px;margin-top:5px;padding:2px 8px;font-size:.8rem;display:inline-block}.btn-calificar{background-color:var(--oro-uanl);color:#000;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;min-width:100px;padding:10px 20px;font-weight:700;width:auto!important}.btn-calificar:hover{background-color:#eec151}.rating-grid{text-align:center;background-color:#f8f9fa;border-radius:10px;justify-content:space-around;padding:15px;display:flex}.stat-item{flex-direction:column;display:flex}body{flex-direction:column;min-height:100vh;display:flex}main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:20px}footer{text-align:center;background:#fff;border-top:1px solid #ddd;width:100%;margin-top:auto;padding:30px}#modal-producto{z-index:2000;background:#000000d9;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;display:none;position:fixed;top:0;left:0}.product-detail-card{background:#fff;border-radius:20px;width:100%;max-width:900px;height:auto;max-height:90vh;padding:30px;animation:.3s zoomIn;position:relative;overflow-y:auto;box-shadow:0 20px 50px #00000080}@keyframes zoomIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.close-btn{color:#666;cursor:pointer;z-index:10;font-size:2.5rem;font-weight:700;line-height:1;transition:all .2s;position:absolute;top:15px;right:20px}.close-btn:hover{color:#ff4d4d}.detalle-grid{grid-template-columns:1fr 1fr;gap:40px;margin-top:10px;display:grid}.foto-principal-container{background:#f8f9fa;border:1px solid #eee;border-radius:15px;justify-content:center;align-items:center;height:400px;display:flex;overflow:hidden}.foto-principal-container img{object-fit:contain;width:100%;height:100%}.detalle-info h2{color:#333;margin-top:10px;font-size:1.8rem}.precio-gigante{color:var(--azul-uanl);margin:10px 0;font-size:2.5rem;font-weight:800}.fecha-badge{color:#666;background:#eee;border-radius:20px;padding:4px 10px;font-size:.8rem}.vendedor-info{border-left:5px solid var(--oro-uanl);background:#f0f7ff;border-radius:10px;margin:20px 0;padding:15px}.vendedor-info p{margin:5px 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0;display:flex;overflow-y:auto}.admin-nav-group{margin-bottom:24px}.admin-nav-label{color:var(--admin-text-dim);text-transform:uppercase;letter-spacing:1px;padding:0 24px 8px;font-size:.65rem;font-weight:800}.admin-nav-item-v2{color:var(--admin-text-dim);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 24px;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.admin-nav-item-v2:hover{color:var(--admin-text);background:#ffffff08}.admin-nav-item-v2.active{color:#388bfd;background:linear-gradient(90deg,#388bfd1a 0%,#0000 100%);box-shadow:inset 3px 0 #388bfd}.admin-main-v2{flex:1;padding:32px;overflow-y:auto}.admin-dashboard-title{align-items:center;gap:12px;margin-bottom:8px;display:flex}.admin-dashboard-title h2{margin:0;font-size:1.5rem}.admin-last-update{color:var(--admin-text-dim);margin-bottom:24px;font-size:.8rem}.admin-stats-grid-v2{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px;display:grid}.admin-stat-card-v2{background:var(--admin-card);border:1px solid var(--admin-border);border-radius:10px;padding:20px;position:relative;overflow:hidden}.admin-stat-card-v2:before{content:"";opacity:.8;height:3px;position:absolute;top:0;left:0;right:0}.stat-card-purple:before{background:#8b5cf6}.stat-card-orange:before{background:#fca311}.stat-card-red:before{background:#f85149}.stat-card-blue:before{background:#388bfd}.stat-card-green:before{background:#3fb950}.stat-header-v2{margin-bottom:12px;font-size:1.2rem}.stat-content-v2 .stat-value-v2{margin-bottom:2px;font-size:1.8rem;font-weight:800;display:block}.stat-content-v2 .stat-label-v2{color:var(--admin-text-dim);text-transform:uppercase;font-size:.7rem;font-weight:700}.control-left{flex-direction:column;gap:4px;display:flex}.control-left .label{color:var(--admin-text);font-size:.85rem;font-weight:700}.control-left .sub{color:var(--admin-text-dim);font-size:.75rem}.control-right{align-items:center;gap:12px;display:flex}.btn-admin-action{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-size:.85rem;font-weight:700;transition:all .2s;display:flex}.btn-admin-gold{color:#000;background:#fca311}.btn-admin-dark{color:#c9d1d9;background:#21262d;border:1px solid #30363d}.btn-admin-dark:hover{background:#30363d}.admin-control-bar{background:#161b22;border:1px solid #30363d;border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:30px;padding:20px;display:flex}.admin-charts-row{grid-template-columns:1.5fr 1fr;gap:20px;margin-bottom:30px;display:grid}.admin-chart-card-v2{background:var(--admin-card);border:1px solid var(--admin-border);border-radius:12px;padding:24px}.admin-chart-card-v2 h3{margin:0 0 12px;font-size:1rem;font-weight:700}.admin-chart-card-v2 p{color:var(--admin-text-dim);margin-bottom:24px;font-size:.75rem}.maintenance-overlay{color:#f0f2f5;text-align:center;z-index:9999;background:#08090a;justify-content:center;align-items:center;width:100vw;height:100vh;font-family:Inter,sans-serif;display:flex;position:fixed;top:0;left:0}.maintenance-content{background:#0d0f11;border:1px solid #1f2226;border-radius:20px;max-width:500px;padding:40px;box-shadow:0 0 40px #00000080}.maintenance-icon{filter:drop-shadow(0 0 10px #fca3114d);margin-bottom:20px;font-size:4rem}.maintenance-content h1{color:#fca311;margin-bottom:10px;font-size:1.5rem;font-weight:800}.maintenance-content h2{margin-bottom:20px;font-size:2rem}.maintenance-content p{color:#7d8590;margin-bottom:30px;line-height:1.6}.maintenance-loader{background:#1f2226;border-radius:2px;width:100%;height:4px;margin-bottom:30px;overflow:hidden}.loader-bar{background:#fca311;border-radius:2px;width:30%;height:100%;animation:1.5s ease-in-out infinite loading}@keyframes loading{0%{transform:translate(-100%)}to{transform:translate(400%)}}.maintenance-footer{font-size:.8rem}.maintenance-footer .comunidad-container{max-width:1100px;margin:40px auto;padding:0 20px}.maintenance-footer .tabs-wrapper{justify-content:center;gap:15px;margin-bottom:35px;display:flex}.maintenance-footer .tabs-wrapper .tab-btn{color:#555;background:#fff;border:1px solid #ddd;border-radius:40px;padding:12px 25px;font-weight:700;transition:all .3s;box-shadow:0 4px 12px #00000005}.maintenance-footer .tabs-wrapper .tab-btn.active{background:var(--azul-uanl);color:#fff;border-color:var(--azul-uanl);box-shadow:0 8px 20px #004a8f33}.maintenance-footer .aviso-box{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffc;border:1px solid #0000000d;border-radius:20px;margin-bottom:40px;padding:30px;position:relative;overflow:hidden;box-shadow:0 10px 40px #0000000d}.maintenance-footer .aviso-box:before{content:"";background:var(--oro-uanl);width:100%;height:6px;position:absolute;top:0;left:0}.maintenance-footer .aviso-box.alerta:before{background:#ff6b6b}.maintenance-footer .form-mini{grid-template-columns:1fr 1fr 2fr 1.5fr auto;align-items:center;gap:12px;display:grid}@media (width<=900px){.maintenance-footer .form-mini{grid-template-columns:1fr 1fr}.maintenance-footer .form-mini input,.maintenance-footer .form-mini select{grid-column:span 1}.maintenance-footer .form-mini button{grid-column:span 2}}.maintenance-footer .btn-publicar-mini{background:var(--azul-uanl);color:#fff;border-radius:25px;padding:12px 25px;font-weight:800;transition:all .3s}.maintenance-footer .btn-publicar-mini:hover{transform:scale(1.05);box-shadow:0 5px 15px #0000001a}.maintenance-footer .aviso-card{border:1px solid #00000008;transition:all .3s}.maintenance-footer .aviso-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px #0000001a!important}.maintenance-footer .btn-whatsapp-mini{transition:all .3s}.maintenance-footer .btn-whatsapp-mini:hover{transform:scale(1.02);background:#25d366!important}.maintenance-footer{color:#f85149;text-transform:uppercase;letter-spacing:1px;font-weight:600}@media (width<=768px){header{z-index:1000;padding:10px 5%;position:sticky}.logo h1{font-size:1.3rem}.hamburger{display:flex}nav{z-index:1001;background:#036;width:280px;height:100vh;padding:80px 30px;transition:all .4s;position:fixed;top:0;right:-100%}nav.active{right:0}nav ul{flex-direction:column;align-items:flex-start;gap:20px}nav ul li a{border-bottom:1px solid #ffffff1a;width:100%;padding-bottom:10px;font-size:1.2rem;display:block}.hero{border-radius:0 0 20px 20px;margin-bottom:25px;padding:30px 15px 50px}.hero h2{font-size:1.5rem}.hero p{font-size:.95rem}.search-container{border-radius:15px;flex-direction:column;gap:10px;width:100%;padding:10px}.search-input,.search-select{border-bottom:1px solid #eee!important;border-radius:0!important;width:100%!important}.categories-wrapper{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;justify-content:flex-start;margin:15px 0;padding-bottom:10px;overflow-x:auto}.cat-chip{white-space:nowrap;padding:8px 15px;font-size:.85rem}.product-grid{gap:10px;grid-template-columns:repeat(2,1fr)!important}.product-card img{height:130px}.product-info{padding:10px}.product-info h4{font-size:.85rem}.price{font-size:1.05rem}.stats-grid,.rating-grid,.avisos-grid{grid-template-columns:1fr}.fila-responsive,.form-mini{flex-direction:column;grid-template-columns:1fr;gap:15px}.vender-card,.auth-card,.aviso-box{border-radius:12px;padding:20px 15px}.tabs-wrapper{padding:5px}.modal,#modal-producto,#modal-editar,#modal-donar{align-items:flex-start;display:none;padding:0!important}.modal.active,#modal-producto.active,#modal-editar.active{display:flex!important}.modal>div,.product-detail-card,#modal-editar>div,#modal-donar>div{overflow-y:auto;border-radius:0!important;width:100%!important;max-width:100%!important;height:100vh!important;max-height:100vh!important;margin:0!important;padding:20px 15px!important}.detalle-grid{grid-template-columns:1fr;gap:15px}.foto-principal-container{border-radius:12px;height:250px}.close-btn{z-index:2000;font-size:2rem;top:10px;right:15px}.social-layout{flex-direction:column;display:flex}.sidebar-left{order:2;margin-top:20px}.muro-main{order:1}.profe-header{flex-direction:column;align-items:flex-start}.btn-calificar{margin-top:10px;width:100%!important}.admin-layout{flex-direction:column}.sidebar{border-bottom:1px solid var(--border);width:100%;height:auto;display:none}.sidebar.active{display:block}.charts-grid{grid-template-columns:1fr}.data-row{flex-direction:column;align-items:flex-start;gap:10px}.row-actions{grid-template-columns:1fr 1fr;gap:5px;width:100%;display:grid}body.chats-page{height:auto;overflow:visible}.chats-layout{flex-direction:column;height:calc(100vh - 60px);position:relative}.chats-sidebar{border-right:none;width:100%;height:100%}.chat-main{z-index:20;background:#fff;display:none;position:absolute;inset:0}.chat-main.modo-activo{display:flex}.btn-volver-chats{cursor:pointer;color:var(--azul-uanl);background:0 0;border:none;padding-right:10px;font-size:1.2rem;display:inline-block!important}.mensaje{max-width:85%}}@media (width<=480px){.product-grid{grid-template-columns:repeat(2,1fr)!important}}