:root{--color-principal:var(--pr-accent-orange);--color-secundario:#304173;--color-blanco:var(--pr-white);--color-gris-claro:var(--pr-gray-50);--color-gris-medio:var(--pr-gray-600);--color-gris-oscuro:#343a40;--color-error:var(--pr-danger);--color-exito:var(--pr-success);--sombra-suave:var(--pr-shadow-md);--sombra-hover:0 4px 20px rgba(0,0,0,0.15);--border-radius:var(--pr-radius-md);--transicion-suave:var(--pr-transition-slow)}.contenedor-principal{min-height:100vh;background:linear-gradient(135deg,var(--color-principal) 0%,var(--color-secundario) 100%);padding:2rem 0;display:flex;align-items:center}.tarjeta-formulario{background:var(--color-blanco);border-radius:var(--border-radius);box-shadow:var(--sombra-suave);overflow:hidden;transition:var(--transicion-suave)}.tarjeta-formulario:hover{box-shadow:var(--sombra-hover)}.cabecera-formulario{background:linear-gradient(45deg,var(--color-secundario),var(--color-principal));padding:1.5rem;text-align:center}.titulo-formulario{color:var(--color-blanco);margin:0;font-size:1.5rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:0.5rem}.icono-titulo{font-size:1.75rem}.formulario-contenido{padding:2rem}.etiqueta-campo{color:var(--color-secundario);font-weight:500;margin-bottom:0.5rem;display:flex;align-items:center;gap:0.5rem}.icono-campo{color:var(--color-principal);font-size:1.1rem}.campo-entrada{width:100%;padding:0.75rem 1rem;border:2px solid var(--pr-gray-200);border-radius:var(--border-radius);font-size:1rem;transition:var(--transicion-suave);background-color:var(--color-gris-claro)}.campo-entrada:focus{outline:none;border-color:var(--color-principal);box-shadow:0 0 0 0.2rem rgba(255,153,51,0.25);background-color:var(--color-blanco)}.campo-entrada:invalid{border-color:var(--color-error)}.contenedor-password{position:relative;display:flex;align-items:center}.campo-password{padding-right:3rem}.boton-mostrar-password{position:absolute;right:0.75rem;background:none;border:none;color:var(--color-gris-medio);cursor:pointer;font-size:1.1rem;transition:var(--transicion-suave);padding:0.5rem}.boton-mostrar-password:hover{color:var(--color-principal)}.mensaje-error{color:var(--color-error);font-size:0.875rem;margin-top:0.25rem;min-height:1.2rem;display:flex;align-items:center;gap:0.25rem}.mensaje-error.visible{opacity:1}.contenedor-botones{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}.boton-principal,.boton-secundario{padding:0.75rem 1.5rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transicion-suave);display:flex;align-items:center;gap:0.5rem;min-width:160px;justify-content:center}.boton-principal{background:linear-gradient(45deg,var(--color-principal),#ffad4d);color:var(--color-blanco);box-shadow:0 2px 8px rgba(255,153,51,0.3)}.boton-principal:hover{background:linear-gradient(45deg,#e68a2e,var(--color-principal));transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,153,51,0.4)}.boton-secundario{background:var(--color-gris-claro);color:var(--color-gris-oscuro);border:2px solid var(--pr-gray-300)}.boton-secundario:hover{background:var(--pr-gray-200);border-color:var(--color-gris-medio);transform:translateY(-1px)}.icono-boton{font-size:1.1rem}.campo-entrada.cargando{background:linear-gradient(90deg,var(--color-gris-claro) 25%,#f0f0f0 50%,var(--color-gris-claro) 75%);background-size:200% 100%;animation:carga-shimmer 1.5s infinite}@keyframes carga-shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}@media (max-width:768px){.contenedor-principal{padding:1rem}.formulario-contenido{padding:1.5rem}.titulo-formulario{font-size:1.25rem}.contenedor-botones{flex-direction:column;align-items:stretch}.boton-principal,.boton-secundario{min-width:100%}}@media (max-width:575.98px){.cabecera-formulario{padding:1rem}.formulario-contenido{padding:1rem}.titulo-formulario{flex-direction:column;gap:0.25rem}}