:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}html,body{margin:0;padding:0;width:100%;height:100%;min-width:320px;min-height:100vh;overflow:hidden}body{display:block}@media (min-width: 769px){html,body{width:100%;height:100vh;overflow:hidden}body{display:block}}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#f9f9f9;color:#213547;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@keyframes parpadeo{0%{opacity:1}50%{opacity:.4}to{opacity:1}}.parpadeo-rojo{animation:parpadeo 1.5s infinite ease-in-out}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.contenedor{width:100%;height:100vh;min-height:100vh;max-height:100vh;display:flex;justify-content:center;align-items:center;background:#f3f4f6;padding:0;margin:0;box-sizing:border-box;overflow:hidden}@media (min-width: 769px){.contenedor{width:100%;height:100vh;min-height:100vh;max-height:100vh;padding:0;background:#fff;align-items:flex-start;justify-content:flex-start}}@media (max-width: 768px){.contenedor{width:100%;height:100vh;min-height:100vh;max-height:100vh;padding:0;background:#fff;align-items:flex-start;justify-content:flex-start}}.app{width:100%;max-width:100%;min-width:0;height:100vh;min-height:100vh;max-height:100vh;display:flex;flex-direction:column;background:#fff;border-radius:0;box-shadow:none;overflow:hidden;border:none;margin:0}@media (max-width: 320px){.app{min-height:100vh}}@media (min-width: 769px){.app .barra-lateral{display:flex;flex-direction:column}.app .area-chat{display:flex}}.encabezado{height:56px;min-height:56px;background:#2563eb;color:#fff;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;flex-shrink:0}.cuerpo{flex:1;display:flex;overflow:hidden;width:100%;min-width:0;min-height:0;height:100%}@media (min-width: 769px){.cuerpo{flex:1;height:calc(100vh - 56px);min-height:calc(100vh - 56px);max-height:calc(100vh - 56px)}}.barra-lateral{width:300px;min-width:250px;max-width:350px;border-right:1px solid #e5e7eb;padding:16px;overflow-y:auto;flex-shrink:0;background:#fff;height:100%}@media (min-width: 769px){.barra-lateral{max-height:calc(100vh - 56px);height:calc(100vh - 56px)}}@media (min-width: 769px) and (max-width: 1024px){.barra-lateral{width:260px;min-width:220px;max-width:280px}}.area-chat{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0;min-width:0;background:#fff;position:relative;height:100%}@media (min-width: 769px){.area-chat{flex:1;height:calc(100vh - 56px);min-height:calc(100vh - 56px);max-height:calc(100vh - 56px)}}.contenedor-lista{max-height:180px;overflow-y:auto;padding-right:4px}.lista-usuarios{list-style:none;padding:0;margin:0}.item-usuario{padding:8px 12px;cursor:pointer;display:flex;align-items:center;gap:8px;border-radius:4px;font-size:14px;border:1px solid transparent;margin-bottom:2px;transition:background-color .2s,border-color .2s}.item-usuario:hover{background-color:#f3f4f6;border-color:#d1d5db}.item-usuario.seleccionado{background-color:#e0f2ff;border-color:#2563eb}.punto-estado{width:10px;height:10px;border-radius:50%}.encabezado-chat{flex-shrink:0;padding:12px;border-bottom:1px solid #e5e7eb;background:#f9fafb}.mensajes{flex:1;min-height:0;padding:12px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;overflow-x:hidden;background:#f3f4f6}@media (min-width: 769px){.mensajes{flex:1;min-height:0;height:100%}}.mensaje{max-width:400px;min-width:100px;padding:8px;border-radius:8px;border:1px solid #e5e7eb;background:#fff;font-size:14px;word-wrap:break-word;overflow-wrap:break-word}.mensaje.propio{align-self:flex-end;background-color:#dcf8c6}.mensaje.ajeno{align-self:flex-start;background-color:#fff}.escribiendo{font-size:12px;opacity:.7;font-style:italic;padding:2px 8px}.barra-entrada{flex-shrink:0;padding:12px 16px;border-top:1px solid #e5e7eb;display:flex;gap:12px;background:#f9fafb;align-items:center}.input-flex{flex:1;padding:10px 12px;border-radius:6px;border:1px solid #d1d5db;font-size:14px;outline:none}.boton-primario{padding:10px 20px;border-radius:6px;border:none;background:#16a34a;color:#fff;cursor:pointer;font-size:14px;font-weight:500;white-space:nowrap;min-width:80px;transition:background-color .2s}.boton-secundario{margin-top:0;padding:6px 10px;border-radius:4px;border:1px solid #d1d5db;background:#fff;cursor:pointer;font-size:13px}.boton-icono{padding:6px 8px;font-size:14px;border-radius:999px;border:1px solid #d1d5db;background:#f9fafb;cursor:pointer;line-height:1;display:inline-flex;align-items:center;justify-content:center}.barra-pestanias{display:flex;align-items:stretch;border-bottom:1px solid #e5e7eb;background:#e5e7eb;min-height:32px;overflow-x:auto;flex-shrink:0}.item-pestania{display:flex;align-items:center;gap:6px;padding:4px 8px;cursor:pointer;font-size:13px;border-right:1px solid #d1d5db;position:relative;white-space:nowrap}.boton-cerrar-pestania{border:none;background:transparent;cursor:pointer;font-size:12px;padding:0;margin-left:4px}.badge{background:#ef4444;color:#fff;border-radius:999px;font-size:10px;padding:2px 6px}.badge-pequeno{background:#ef4444;color:#fff;border-radius:999px;font-size:9px;padding:0 5px;margin-left:4px}.tarjeta-auth{width:320px;background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.formulario{display:flex;flex-direction:column;gap:8px;margin-top:12px}.input{padding:8px;border-radius:4px;border:1px solid #d1d5db}.fondo-modal{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000059;display:flex;justify-content:center;align-items:center;z-index:50}.contenido-modal{width:380px;max-height:70vh;background:#fff;border-radius:8px;box-shadow:0 8px 20px #00000040;padding:16px;display:flex;flex-direction:column}.lista-modal{flex:1;border:1px solid #e5e7eb;border-radius:4px;padding:6px 10px;overflow-y:auto;max-height:40vh;margin-bottom:10px;background:#f9fafb}.pie-modal{display:flex;align-items:center;justify-content:space-between;margin-top:4px}.boton-atras{display:none;margin-right:8px;padding:4px 8px;background:transparent;border:1px solid #d1d5db;border-radius:4px;cursor:pointer}@media (min-width: 769px){.app .barra-lateral{display:flex!important;flex-direction:column}.app .area-chat{display:flex!important}.boton-atras{display:none!important}}@media (min-width: 1401px){.contenedor{padding:0;background:#fff}.app{width:100%;height:100vh}.barra-lateral{width:320px;min-width:280px;max-width:380px}}@media (min-width: 1025px) and (max-width: 1400px){.contenedor{padding:0;background:#fff}.app{width:100%;height:100vh}.barra-lateral{width:280px;min-width:240px;max-width:320px}}@media (min-width: 769px) and (max-width: 1024px){.contenedor{padding:0;background:#fff}.app{width:100%;height:100vh}.barra-lateral{width:260px;min-width:220px;max-width:280px}.encabezado{font-size:13px;padding:0 12px}}@media (max-width: 768px){.contenedor{padding:0;align-items:flex-start}.app{width:100%;max-width:100%;min-width:0;height:100vh;max-height:100vh;min-height:100vh;border-radius:0;border:none;box-shadow:none}.barra-lateral{width:100%;min-width:100%;max-width:100%;border-right:none;display:flex;flex-direction:column;max-height:calc(100vh - 56px)}.area-chat{display:none;width:100%;max-height:calc(100vh - 56px)}.app.has-active-chat .barra-lateral{display:none!important}.app.has-active-chat .area-chat{display:flex!important}.boton-atras{display:inline-block}.encabezado{height:auto;min-height:56px;padding:8px 12px;font-size:12px;flex-wrap:wrap}.encabezado>div{width:100%;margin-bottom:4px}.encabezado>div:last-child{margin-bottom:0}.mensaje{max-width:85%;font-size:13px}.barra-entrada{padding:8px 12px;gap:8px}.input-flex{padding:8px 10px;font-size:13px}.boton-primario{padding:8px 16px;font-size:13px;min-width:70px}.contenedor-lista{max-height:150px}}@media (max-width: 480px){.barra-lateral{padding:12px}.encabezado-chat{padding:8px 12px}.mensajes{padding:8px}.mensaje{max-width:90%;padding:6px;font-size:12px}.tarjeta-auth{width:100%;max-width:320px;padding:20px;margin:0 16px}.encabezado{font-size:11px;padding:8px 10px}.encabezado>div{font-size:11px}.boton-secundario{padding:4px 8px;font-size:11px}}@media (max-width: 360px){.barra-lateral{padding:10px}.encabezado{font-size:10px;padding:6px 8px}.mensaje{max-width:95%;font-size:11px;padding:5px}.input-flex{padding:6px 8px;font-size:12px}.boton-primario{padding:6px 12px;font-size:12px;min-width:60px}}