.pagina-registro-body {
            background-color: #f8f9fa;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .contenedor-registro {
            width: 100%;
            max-width: 480px;
            background: #ffffff;
            border: 2px solid #000000;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: 8px 8px 0px rgba(0, 0, 0, 1);
        }
        .registro-logo {
            display: flex;
            justify-content: center;
            margin-bottom: 25px;
        }
        .registro-logo img {
            height: 60px;
            width: auto;
        }
        .registro-titulo {
            font-size: 1.8rem;
            text-align: center;
            margin: 0 0 25px 0;
            color: #222;
        }
        .btn-registro-ingresar {
            background-color: var(--color-principal);
            color: #ffffff;
            border: 2px solid #000000;
            border-radius: 8px;
            padding: 12px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: 'Outfit', sans-serif;
            margin-top: 15px;
            width: 100%;
            display: block;
            text-align: center;
            box-shadow: 4px 4px 0px rgba(0, 0, 0, 1);
        }
        .btn-registro-ingresar:hover {
            background-color: yellow;
            color: #000000;
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px rgba(0, 0, 0, 1);
        }
        .btn-registro-ingresar:active {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px rgba(0, 0, 0, 1);
        }
        .registro-pie {
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            margin-top: 25px;
        }
        .registro-pie a {
            color: var(--color-principal);
            font-weight: bold;
            text-decoration: none;
            transition: color 0.2s;
        }
        .registro-pie a:hover {
            text-decoration: underline;
            color: #cc9900;
        }

/* --- Notificaciones Toast --- */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background: #fff;
    color: #000;
    border: 2px solid #000;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 4px 4px 0px #000;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1rem;
    max-width: 350px;
    line-height: 1.4;
}

.toast.mostrar {
    transform: translateX(0);
}

.toast.error {
    background-color: #ff4d4d;
    color: white;
}

.toast.exito {
    background-color: var(--color-principal, #1fb546);
    color: white;
}

.toast.cargando {
    background-color: #f39c12;
    color: white;
}

/* --- Validaciones Visuales --- */
.campo-formulario input:not(:placeholder-shown):invalid {
    border-color: #ff4d4d;
    background-color: #fff0f0;
    outline-color: #ff4d4d;
}