@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');
:root{--fondo:#0c0c0f;--superficie:#131318;--superficie2:#1a1a22;--borde:#2a2a38;--acento:#7c6af7;--acento2:#f76a8a;--exito:#4ade80;--advertencia:#fbbf24;--peligro:#f87171;--texto:#e8e8f0;--texto-apagado:#6b6b80;--texto-tenue:#9898b0}
*{box-sizing:border-box;margin:0;padding:0}body{font-family:'DM Sans',sans-serif;background:var(--fondo);color:var(--texto);min-height:100vh}
.pagina-auth{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem}.pantalla-auth{width:100%}
.contenedor-auth{max-width:440px;margin:0 auto;animation:aparecer .6s ease both}.logo-auth{text-align:center;margin-bottom:2.5rem}
.logo-icono{width:56px;height:56px;background:linear-gradient(135deg,var(--acento),var(--acento2));border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1rem;box-shadow:0 0 40px rgba(124,106,247,.3)}
.logo-auth h1{font-family:'Syne',sans-serif;font-size:1.6rem;font-weight:800;letter-spacing:-.03em}.logo-auth h1 span{background:linear-gradient(135deg,var(--acento),var(--acento2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo-auth p{color:var(--texto-apagado);font-size:.9rem;margin-top:.25rem}.pestanas-auth{display:flex;background:var(--superficie);border-radius:12px;padding:4px;margin-bottom:1.5rem;border:1px solid var(--borde)}
.pestana-auth{flex:1;padding:.6rem;text-align:center;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;color:var(--texto-apagado);border:none;background:none;transition:all .2s}.pestana-auth.activa{background:var(--superficie2);color:var(--texto)}
.tarjeta-auth{background:var(--superficie);border:1px solid var(--borde);border-radius:16px;padding:2rem}.grupo-campo{margin-bottom:1.2rem}
.grupo-campo label{display:block;font-size:.8rem;color:var(--texto-tenue);margin-bottom:.5rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase}
.grupo-campo input,.grupo-campo select,.selector-filtro{width:100%;padding:.75rem 1rem;background:var(--superficie2);border:1px solid var(--borde);border-radius:10px;color:var(--texto);font-family:inherit;font-size:.95rem;outline:none;transition:border-color .2s}
.grupo-campo input:focus,.selector-filtro:focus{border-color:var(--acento);box-shadow:0 0 0 3px rgba(124,106,247,.12)}.grupo-campo input::placeholder{color:var(--texto-apagado)}
.fortaleza-contrasena{margin-top:.5rem}.barra-fortaleza{height:3px;background:var(--borde);border-radius:2px;overflow:hidden}
.relleno-fortaleza{height:100%;border-radius:2px;transition:width .3s,background .3s;width:0%}.texto-fortaleza{font-size:.75rem;color:var(--texto-apagado);margin-top:.25rem}
.alerta{padding:.65rem .9rem;border-radius:8px;font-size:.85rem;margin-bottom:1rem}.alerta-error{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:var(--peligro)}
.alerta-exito{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3);color:var(--exito)}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:10px;border:none;font-family:'Syne',sans-serif;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s;text-decoration:none}
.btn-primario{background:linear-gradient(135deg,var(--acento),#9b8bf5);color:#fff;width:100%;justify-content:center;box-shadow:0 4px 20px rgba(124,106,247,.35)}.btn-primario:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(124,106,247,.45)}
.btn-fantasma{background:transparent;color:var(--texto-tenue);border:1px solid var(--borde)}.btn-fantasma:hover{background:var(--superficie2);color:var(--texto)}.btn-pequeno{padding:.4rem .8rem;font-size:.8rem;border-radius:7px}
.barra-superior{background:rgba(19,19,24,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--borde);padding:0 1.5rem;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.barra-izquierda,.barra-derecha{display:flex;align-items:center;gap:.75rem}
.logo-barra{font-family:'Syne',sans-serif;font-weight:800;font-size:1.1rem;letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem;color:var(--texto);text-decoration:none}
.logo-barra span{background:linear-gradient(135deg,var(--acento),var(--acento2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.pestanas-nav{display:flex;gap:.25rem}.pestana-nav{padding:.4rem .9rem;border-radius:7px;font-size:.85rem;font-weight:500;color:var(--texto-apagado);cursor:pointer;border:none;background:none;transition:all .15s;text-decoration:none}
.pestana-nav:hover,.pestana-nav.activa{color:var(--texto);background:var(--superficie2)}.insignia-usuario{display:flex;align-items:center;gap:.5rem}
.avatar-usuario{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--acento),var(--acento2));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;font-family:'Syne',sans-serif}
.nombre-usuario{font-size:.85rem;color:var(--texto-tenue)}.etiqueta-rol{font-size:.7rem;padding:.15rem .5rem;border-radius:20px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.rol-admin{background:rgba(247,106,138,.15);color:var(--acento2);border:1px solid rgba(247,106,138,.3)}.rol-usuario{background:rgba(124,106,247,.15);color:var(--acento);border:1px solid rgba(124,106,247,.3)}
.contenido-app{padding:2rem 1.5rem;max-width:1100px;width:100%;margin:0 auto}.encabezado-pagina{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.titulo-pagina{font-family:'Syne',sans-serif;font-size:1.5rem;font-weight:800;letter-spacing:-.02em}.subtitulo-pagina{color:var(--texto-apagado);font-size:.9rem;margin-top:.1rem}.subtitulo-pagina.advertencia{color:var(--advertencia)}
.fila-estadisticas{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}.tarjeta-stat{background:var(--superficie);border:1px solid var(--borde);border-radius:12px;padding:1.25rem;animation:aparecer .4s ease both}
.valor-stat{font-family:'Syne',sans-serif;font-size:2rem;font-weight:800;line-height:1}.valor-stat.acento{color:var(--acento)}.valor-stat.exito{color:var(--exito)}.valor-stat.peligro{color:var(--peligro)}.etiqueta-stat{color:var(--texto-apagado);font-size:.8rem;margin-top:.25rem}
.controles-tareas{display:flex;gap:.75rem;margin-bottom:1.25rem;flex-wrap:wrap;align-items:center}.caja-busqueda{flex:1;min-width:200px;position:relative}.caja-busqueda input{padding-left:2.5rem}
.caja-busqueda::before{content:'⌕';position:absolute;left:.8rem;top:50%;transform:translateY(-50%);color:var(--texto-apagado);font-size:1.1rem;z-index:1;pointer-events:none}.selector-filtro{padding:.65rem 1rem;background:var(--superficie);cursor:pointer}
.lista-tareas{display:flex;flex-direction:column;gap:.75rem}.tarjeta-tarea{background:var(--superficie);border:1px solid var(--borde);border-radius:12px;padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;transition:border-color .2s,transform .15s;position:relative;overflow:hidden}
.tarjeta-tarea:hover{border-color:rgba(124,106,247,.3);transform:translateX(2px)}.tarjeta-tarea.completada{opacity:.55}.tarjeta-tarea.completada .titulo-tarea{text-decoration:line-through}
.tarjeta-tarea::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px}.tarjeta-tarea.prioridad-alta::before{background:var(--peligro)}.tarjeta-tarea.prioridad-media::before{background:var(--advertencia)}.tarjeta-tarea.prioridad-baja::before{background:var(--exito)}
.casilla-tarea{width:22px;height:22px;flex-shrink:0;border:2px solid var(--borde);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;background:transparent;padding:0}
.casilla-tarea:hover{border-color:var(--acento)}.casilla-tarea.marcada{background:var(--acento);border-color:var(--acento)}.casilla-tarea.marcada::after{content:'✓';color:#fff;font-size:.7rem;font-weight:700}
.cuerpo-tarea{flex:1;min-width:0}.titulo-tarea{font-size:.95rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta-tarea{display:flex;gap:.75rem;margin-top:.3rem;flex-wrap:wrap}
.etiqueta-tarea{font-size:.72rem;padding:.1rem .5rem;border-radius:20px;border:1px solid transparent}.etiqueta-fecha{background:rgba(251,191,36,.1);color:var(--advertencia);border-color:rgba(251,191,36,.25)}
.etiqueta-fecha.vencida{background:rgba(248,113,113,.1);color:var(--peligro);border-color:rgba(248,113,113,.25)}.etiqueta-dueno{background:rgba(124,106,247,.1);color:#a89cf7;border-color:rgba(124,106,247,.25)}
.etiqueta-prioridad-alta{background:rgba(248,113,113,.1);color:var(--peligro);border-color:rgba(248,113,113,.25)}.etiqueta-prioridad-media{background:rgba(251,191,36,.1);color:var(--advertencia);border-color:rgba(251,191,36,.25)}.etiqueta-prioridad-baja{background:rgba(74,222,128,.1);color:var(--exito);border-color:rgba(74,222,128,.25)}
.acciones-tarea{display:flex;gap:.4rem}.btn-tarea{width:30px;height:30px;border-radius:7px;border:1px solid var(--borde);background:transparent;color:var(--texto-apagado);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all .15s;padding:0}
.btn-tarea:hover{background:var(--superficie2);color:var(--texto);border-color:var(--acento)}.btn-tarea.eliminar:hover{background:rgba(248,113,113,.1);color:var(--peligro);border-color:rgba(248,113,113,.3)}
.estado-vacio{text-align:center;padding:4rem 2rem;color:var(--texto-apagado)}.icono-vacio{font-size:3rem;margin-bottom:1rem;opacity:.5}
.fondo-modal{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;padding:1rem}.fondo-modal.abierto{display:flex}
.modal{background:var(--superficie);border:1px solid var(--borde);border-radius:16px;padding:1.75rem;width:100%;max-width:480px;animation:escalar .25s ease both}.cabecera-modal{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.titulo-modal{font-family:'Syne',sans-serif;font-weight:700;font-size:1.2rem}.cerrar-modal{width:30px;height:30px;border-radius:7px;border:1px solid var(--borde);background:transparent;color:var(--texto-apagado);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .15s}
.cerrar-modal:hover{background:var(--superficie2);color:var(--texto)}.pie-modal{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}
.tabla-wrapper{background:var(--superficie);border:1px solid var(--borde);border-radius:12px;overflow:hidden}table{width:100%;border-collapse:collapse}
th{text-align:left;padding:.75rem 1.25rem;font-size:.75rem;font-weight:600;color:var(--texto-apagado);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--borde);background:var(--superficie2)}
td{padding:.9rem 1.25rem;font-size:.88rem;border-bottom:1px solid rgba(42,42,56,.5)}tr:last-child td{border-bottom:none}tr:hover td{background:rgba(255,255,255,.02)}
.cuadricula-seguridad{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.tarjeta-seguridad{background:var(--superficie);border:1px solid var(--borde);border-radius:12px;padding:1.25rem}
.tarjeta-seguridad h3{font-family:'Syne',sans-serif;font-size:.95rem;font-weight:700;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.tarjeta-seguridad p{color:var(--texto-apagado);font-size:.83rem;line-height:1.5}
.insignia-ok{font-size:.7rem;padding:.1rem .45rem;border-radius:20px;background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.25);color:var(--exito)}
@keyframes aparecer{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes escalar{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
@media(max-width:600px){.barra-superior{padding:0 1rem}.pestanas-nav{display:none}.contenido-app{padding:1.25rem 1rem}.fila-estadisticas{grid-template-columns:1fr 1fr}}